| Company | Phone Number | State | Country |
| 4Plas | 44 (0) 870 446 0424 | - | United Kingdom |
| 5M s.r.o. | +420 572 433 711 | - | Czech Republic |
| A. Schulman GmbH | 49-2273-5610 | - | Germany |
| A. Schulman Inc. | 800-547-3746 | OH | USA |
| A.D. Compound spa | 39-0321-866834.202 | - | - |
| Aardvark Polymers | 617-803-8682 | NJ | USA |
| Aaron Industries Corp. | 800-915-6159 | MA | USA |
| Ablestik Laboratories | 310-764-4600 | CA | USA |
| Accurate Plastics, Inc. | 800-431-2274 | NY | USA |
| ACI Plastics | 8 TURN TO ACI | MI | USA |
| ACLO Compounders Inc. | 800-665-2256 | - | Canada |
| AD majoris | +33 (0)4 74 89 59 00 | - | France |
| ADDIPLAST | 33 4 71 75 10 90 | - | France |
| Adell Plastics, Inc. | 800-638-5218 | MD | USA |
| Ad-Tech Plastic Systems Corp. | 800-255-9934 | MI | USA |
| Advanced Composites, Inc. | 937-492-9187 | OH | USA |
| Advanced Polymer Alloys | 888-688-0788 | DE | USA |
| AKelastomers | +81-3-3507-2060 | - | Japan |
| AKG Polymers B.V. | 31(0)546 66 77 88 | - | Netherlands |
| Alastian | 32-7022-3200 | - | Belgium |
| Albis Plastic GmbH | 49-040-781050 | - | Germany |
| Albis Plastics Corporation | 888-252-4762 | TX | USA |
| Alloy Exchange, Inc. | 616-863-0640 | MI | USA |
| ALM Corporation | 973-694-4141 | NJ | USA |
| AlphaGary | 800-232-9741 | MA | USA |
| Altuglas International of Arkema Inc. | 215-419-7605 | PA | USA |
| Amco Plastic Materials Inc. | 800-262-6685 | NY | USA |
| American Polymers, Inc. | 508-756-1010 | MA | USA |
| American Safety Technologies (Permagile) | 800-645-7546 | NY | USA |
| Americas Styrenics LLC | 888-552-6789 | TX | USA |
| Amtai's Group Inc. | (886)2 25334979 | - | Taiwan |
| Anderson Development Company | 517-263-2121 | MI | USA |
| Andover Corporation | 888-893-9992 | - | USA |
| AOC, L.L.C. | 901-854-2800 | TN | USA |
| API SpA | 39-0424-579711 | - | Italy |
| Applied Thermoplastic Resources | 770-382-0336 | GA | USA |
| Aquafil Technopolymers S.p.A. | 39 02 966 641 | - | Italy |
| Aristech Acrylics LLC | 800-354-9858 | KY | USA |
| Arkadia Plastics, Inc. | 860-612-0556 | CT | USA |
| Arkema | 33-1490-08080 | - | France |
| Arlon-MED | (909) 987-9533 | CA | USA |
| ARPECHIM | +40-248-632049 | - | Romania |
| Artenius UK Ltd | - | - | United Kingdom |
| ASACLEAN - Sun Plastech Inc. | 800-787-4348 | NJ | USA |
| Asahi Glass Co., Ltd. | 81-3-3218-5574 | - | - |
| Asahi Kasei Corporation | 517-223-5339 | MI | USA |
| Asahi Kasei Plastics North America Inc. | 517-223-2000 | MI | USA |
| Ashland Inc. | 800-531-7106 | KY | USA |
| Ashland Specialty Chemical | 614-790-3333 | OH | USA |
| Ashley Polymers, Inc. | 718-851-8111 | NY | USA |
| AT Plastics Inc. | 800-661-3663 | - | Canada |
| A-ToP POLYMERS, Inc. | 603-893-4366 | NH | USA |
| Azdel, Inc. | 704-434-2271 | NC | USA |
| Azelis Plastics UK | 44-1923-211244 | - | United Kingdom |
| Bach Plastic Works Inc. | 905-789-9111 | - | Canada |
| Bacon Industries Inc. | 617-926-2550 | MA | USA |
| Bada AG | 07223 - 94077-0 | - | - |
| Bamberger Polymers, Inc. | 800-888-8959 | - | - |
| Bangkok Polyester Public Company Limited | (66) 2-651-9185-94 | - | Thailand |
| BASF Corp. Thermoplastic Polyurethanes | 800-892-3111 | MI | USA |
BASF Corporation  | 800-527-TECH | MI | USA |
| BASF Leuna GmbH | 49-3461-43-3872 | - | Germany |
| BASIC Petrokimya | (0216) 373 02 10 | - | Turkey |
| Bayer Corporation, Industrial Chemicals | 800-662-2927 | PA | USA |
| Bayer Corporation, Polyurethanes Div. | 800-662-2927 | PA | USA |
| Bayer MaterialScience AG | 49-214-30-33333 | - | Germany |
| Bayer MaterialScience LLC | 800-662-2927 | PA | USA |
| Bayshore Rigids, L.L.C. | 732-577-7900 | NJ | USA |
| Bayshore Vinyl Compounds (BVC) Inc. | 732-577-7900 | NJ | USA |
| BC Chemical Co., Ltd. | 886-7-6967135 | - | Taiwan |
| BCC Products Inc. | 317-736-4090 | IN | USA |
| Bhansali Engineering Polymers Limited | 2673 1779-85 | - | India |
| Bio Med Sciences, Inc | 610-432-8220 | PA | USA |
| Biocycle | 55-16-3987-9000 | - | Brasil |
| Biograde Group of Companies | 61 3 95620122 | - | Australia |
| Biomer | +49 89 12 765 136 | - | Germany |
| BIOP Biopolymer Technologies AG | +49 (0)351 871 81 46 | - | Germany |
| BIOTEC GmbH & Co. KG | 49-(0)2822-92510 | - | Germany |
| BIP Limited | 0121-544 1555 | - | United Kingdom |
| BJB Enterprises, Inc. | 714-734-8450 | CA | USA |
| Blagden Chemicals Ltd. | +44 1446 731255 | - | United Kingdom |
| Blueridge Films Inc. | 888-706-4600 | VA | USA |
| Boltaron Performance Products | 740-498-5900 | OH | USA |
| Borealis A/S | +45 45 96 60 00 | - | Denmark |
| Braskem | 55-11-3576-9999 | - | Brazil |
| Bro-Tex, Inc. | 800-328-2282 | MN | USA |
| BSB Recycling GmbH | +49-2627-9801 | - | Germany |
| Buckeye Polymers, Inc. | 330-948-3007 | OH | USA |
| Bulk Molding Compounds, Inc. | 630-377-2325 | IL | USA |
| Cabot Corporation | 800-222-6745 | MA | USA |
| Cal Polymers, Inc. | 562-436-7372 | CA | USA |
| Calp Corporation | 81-3-3862-1221 | - | Japan |
| Calsak Polymers | 800-743-2595 | CA | USA |
| Canuck Compounders Inc. | 519-621-6521 | - | Canada |
| CardioTech International, Inc. | 978-657-0075 | MA | USA |
| Cargill Industrial Bio-Products | 877-765-9246 | MN | USA |
| Carmel Olefins Ltd. | 972-4-8466911 | - | Israel |
| Cast Nylons Ltd. | 800-543-3619 | OH | USA |
| Celanese Corporation | 972-443-4000 | TX | USA |
| Ceramer GmbH | +49 (0) 921 50736-460 | - | Germany |
| Chandra Asri | 62-21-530-7950 | - | Indonesia |
| Chang Chun Plastics Co., LTD. | 886-2-2503-8131 | - | Taiwan |
| Channel Prime Alliance | 800-257-3746 | CT | USA |
| Chase Plastics Services Inc. | 800-23-CHASE | MI | USA |
| Chem Polymer Corporation | 800-237-3167 | FL | USA |
| CHEMOPETROL, a.s. - UNIPETROL GROUP | 420-47-616-1111 | - | Czech Republic |
| Chemtura | 203-573-2000 | CT | USA |
| Cheng Yu Plastic Company Limited | 852-2412-1912 | - | China |
| Chevron Phillips Chemical Company LLC | 800-231-1212 | TX | USA |
| CHI MEI CORPORATION | 886-6-266-3000 | - | Taiwan |
| Chisso America Inc. | 914-921-5400 | NY | USA |
| Chomerics, div. of Parker Hannifin Corp. | 781-935-4850 | MA | USA |
| Chris Craft Industrial Products, Inc. | 219-762-3165 | IN | USA |
| Clariant Performance Plastics | 704-331-7000 | NC | USA |
| Club-Kit, Inc. | 813-729-1111 | FL | USA |
| COIM S.p.A. | 39-0233-5051 | - | Italy |
| Colorite Polymers | 800-631-1577 | NJ | USA |
| Comai Ltda | (+57 5) 668 5862 | - | Colombia |
| Comtrex LLC. | 586-755-1660 | - | USA |
| Conap, Inc, a Division of Cytec Industries Inc. | 716-372-9650 | NY | USA |
| Connell Bros Company LTD | 415-772-4000 | CA | USA |
| Cook Composites and Polymers | 816-391-6000 | MO | USA |
| Cookson Electronics - Semiconductor Products | 800-223-9057 | GA | USA |
| Cool Polymers, Inc. | 888-811-3787 | GA | USA |
| Coors Tetrafluor | 800-421-2054 | CA | USA |
| CoorsTek | 303-277-4000 | CO | USA |
| Cosmic Plastics, Inc. | 800-423-5613 | CA | USA |
| Cossa Polimeri S.r.l. | 39-0331-607811 | - | Italy |
| CP Polymers | 626-795-3399 | CA | USA |
| Cray Valley | 33-4758-57343 | - | France |
| Cri-Tech, Inc. | 781-826-5600 | MA | USA |
| Crosspolimeri S.p.A. | 39 0521-331411 | - | Italy |
| Custom Resins Group | 800-626-7050 | KY | USA |
| Cybertech Polymers | 800-PVC-TECH | NJ | USA |
| Cyclics Corporation | 518-881-1440 | NY | USA |
| CYRO Industries/Evonik Degussa Corporation | 800-631-5384 | NJ | USA |
| Cytec Engineered Materials Inc. | 714-632-8444 | CA | USA |
| Cytec Industries Inc. | 800-438-5615 | NJ | USA |
| DAELIM INDUSTRIAL CO., LTD. | 65-259-1028 | - | Singapore |
| Dahin Group | 886-2-5166599 | - | Taiwan |
| Daicel Polymer Ltd. | +81-3-6711-8401 | - | Japan |
| DAIKIN AMERICA, INC. | 800-365-9570 | NY | USA |
| Dainippon Ink and Chemicals, Incorporated | 81-3-3272-4511 | - | Japan |
| Dart Polymers, Inc. | 502-926-3434 | KY | USA |
| Daunia Trading srl | +39 088 1/665667 | - | Italy |
| db international, llc | 616-994-0115 | MI | USA |
| Delta Polymers | 800-860-6848 | MI | USA |
| Deltech Polymers Corporation | 937-339-3150 | OH | USA |
| DENKA | Tokyo 3507-5303 | - | Japan |
| Devcon | 800-933-8266 | MA | USA |
| Devol® Engineering Polymers | +44 (0)1475-725-320 | - | Scotland |
| Dexco Polymers LP | 877-251-0580 | TX | USA |
| DEX-PLASTOMERS V.O.F. | - | - | Netherlands |
| Diamond Polymers, Inc. | 330-773-2700 | OH | USA |
| Dilaplast S.p.A. | +39 089 3051700 | - | Italy |
| DIOKI d.d. | +385 1 2483799 | - | Croatia |
| Distrupol Ltd. | 44-1932-566-033 | - | United Kingdom |
| DOMO Caproleuna GmbH | - | - | Germany |
| DOMO Polypropylene b.v. | - | - | Netherlands |
| Dongbu Hannong Chemical | 82-2-3484-1500 | - | South Korea |
| DORLYL S.N.C. | 33-1392-02150 | - | France |
| Dow Corning Corporation | 989-496-4400 | MI | USA |
| Dow Plastics | 800-441-4369 | MI | USA |
| Dowell Trading Company Ltd. | 852-2325-0166 | - | Hong Kong |
| DSM Engineering Plastics | 800-333-4237 | IN | USA |
| DSM RIM Nylon, Inc. | 216-892-3346 | OH | USA |
| DSM Somos® | 847-697-0400 | IL | USA |
| DSM Thermoplastic Elastomers Inc. | 800-290-1365 | MA | USA |
| DTR S.r.l. (Develop Thermoplastic Resins) | +39 0293580948 | - | Italy |
| DuPont Canada, Inc. - Dartek Division | 905-821-5193 | - | Canada |
| DuPont Engineering Polymers | 302-999-4592 | DE | USA |
| DuPont Fluoropolymers | 302-479-7731 | DE | USA |
| DuPont Packaging & Industrial Polymers | 800-628-6208 | DE | USA |
| DuPont Performance Elastomers | 800-853-5515 | DE | USA |
| DURECT Corporation | 877-705-8072 | CA | USA |
| Durez Corporation | 800-733-3339 | TX | USA |
| Dyna-Purge, division of Shuman Plastics | 716-685-2121 | NY | USA |
| Dynasol Elastomers | 281-874-0888 | TX | USA |
| DYNATEX International | 0 0 9 1 - 2 2 - 26 7 8 0 8 0 7 | - | India |
| Dyneon | 651-733-5353 | MN | USA |
| E-A-R Specialty Composites | 317-692-1111 | IN | USA |
| Eastman Chemical Company | 800-327-8626 | TN | USA |
| EBM Biodegradable Materials Limited | 852-2110-8613 | - | China |
| Ecomass Technologies | 877-ECOMASS | TX | USA |
| ECOPLAST | 800-326-6630 | CA | USA |
| ECW-Eilenburger Compound Werk GmbH | 0049/ 3423/ 661-0 | - | Germany |
| Edmund K. Sattler Kunststoff-Bearbeitungs GmbH | (+49) 06108-7978-0 | - | Germany |
| Egyptian European Company | 202-698-4335 | - | Egypt |
| Elastocon TPE Technologies | 888-644-8732 | IL | USA |
| Elastogran GmbH | - | - | Germany |
| Elastomer Engineering Inc. | 712-252-1067 | IA | USA |
| Elastron Kimya | 90-2626-430001 | - | Turkey |
| Electrovac AG | 43-2243-450179 | - | Austria |
| Eliokem, Inc. | 866-354-6536 | OH | USA |
| EMS-GRIVORY | 803-481-6171 | SC | USA |
| En Chuan Chemical Industries Co,. Ltd. | 886-4-22794176 | - | Taiwan |
| EnCom, Inc. | 812-421-7700 | IN | USA |
| Engineered Plastics Corporation | 330-376-7700 | OH | USA |
| Engineered Polymers Industries | 413-593-9600 | MA | USA |
| ENPLAST, a Ravago Group Company | 90-262-658-0970 | - | Turkey |
| Ensinger Inc. | 724-746-6050 | PA | USA |
| Ensinger-Hyde | 800-243-3221 | PA | USA |
| Entec Engineered Resins | 800-225-1529 | FL | USA |
| Enviroplas, Inc. | 812-868-0808 | IN | USA |
| Envision Plastics | 909-590-7334 | CA | USA |
| EPIC Polymers Ltd. | 49-6044-951630 | - | Germany |
| Epic Resins | 800-242-6649 | WI | USA |
| Epoxy Technology Inc. | 800-227-2201 | MA | USA |
| EQUATE Petrochemical Company KSCC | (+965) 434-3666 | - | Kuwait |
| Equipolymers | 39-02-4822-4237 | - | Switzerland |
| Eternal Plastics Co., Ltd. | 66-2679-5600 | - | Thailand |
| Eurocompound Polymers | +33 (0)1 47 23 48 10 | - | France |
| Eurotec Engineering Plastics | 90-282-691-12-12 | - | Turkey |
| Eval Company of America | 800-423-9762 | IL | USA |
| Evonik Degussa AG | 49 2365 20 4790 | - | Germany |
| Evonik Röhm GmbH | 49-6151-18-3561 | - | Germany |
| ExxonMobil Chemical | 800-231-6633 | TX | USA |
| FACT, a Ravago Group Company | 49-6301-320200 | - | Germany |
| Favorite Plastics | 718-253-7000 | NY | USA |
| FELIX COMPOSITES INC. | 450-443-6888 | - | Canada |
| Ferro Corporation | 812-423-5218 | IN | USA |
| Fiber Resins | 818-882-3022 | CA | USA |
| Fiberfil® Engineered Plastics Inc. | 905-662-1866 | - | Canada |
| Firestone Synthetic Rubber & Latex Co. | 800-282-0222 | OH | USA |
| Firestone Textiles Company | 519-421-5602 | - | Canada |
| Firma Chemiczna Dwory S.A. | +48 33 844 18 21 | - | Poland |
| FKuR Kunststoff GmbH | +49 (0) 2154 9251-0 | - | Germany |
| Flex-O-Glass, Inc. | 773-379-7878 | IL | USA |
| Flint Hills Resources, LP | 903-239-5200 | KS | USA |
| Fluid Polymers, Inc. | 702-795-0660 | NV | USA |
| Formosa Chemicals & Fibre Corporation | 886-22712-2211 | - | Taiwan |
| Formosa Idemitsu Petrochemical Corporation | 886-2-2712-2211 | - | Taiwan |
| Formosa Korea | - | - | Korea |
| Formosa Plastics Corporation, U.S.A. | 973-992-2090 | NJ | USA |
| Formulated Polymers Limited | 91-44-2628 0171 | - | India |
| Foster Corporation | 860-928-4102 | CT | USA |
| FRISETTA Polymer GmbH | 49 (0) 76 73 / 8 29 - 200 | - | Germany |
| Galloo Plastics | +33 3 20 01 05 30 | - | France |
| Gas Authority of India Limited | 91 11 617 2580 | - | India |
| GE Silicones | 800-255-8886 | NY | USA |
| Georgia Gulf | 770-395-4500 | GA | USA |
| Geo-Tech Polymers | 614-797-2300 | OH | USA |
| Ginar Technology Co., LTD. | 886-3-3866948 | - | Taiwan |
| Glastic Corporation | 216-486-0100 | OH | USA |
| GLS Corp., Thermoplastic Elastomers Div. | 800-457-8777 | IL | USA |
| GLS Polymers Pvt. Ltd. | 91 80 41179140 | - | India |
| Goodfellow Corporation | 800-821-2870 | PA | USA |
| Goodyear Tire & Rubber Co. | 330-796-2121 | OH | USA |
| GPPC Chemical Co., Ltd. | 886-2-23458998 | - | Taiwan |
| Grand Pacific Chemical (Thailand) Co., Ltd. | 662-2331975 | - | Thailand |
| Great Eastern Resins Industrial Co Ltd | - | - | - |
| Greene, Tweed & Co. | 800-220-4733 | PA | USA |
| Grenidea Technologies Pte Ltd | 65 6872 0020 | - | Malaysia |
| Grupo IDESA, S.A. de C.V. | 52-55-5082-2000 | - | Mexico |
| Grupo Repol | 902 292 292 | - | Spain |
| GS Caltex | +82-2-2005-6631-5 | - | Korea |
| Guang Sung Plastics (GSPL) | 82-55-374-8561 | - | Korea |
| GVR Complast, Ltd. Co. | 281-449-3999 | TX | USA |
| H. Sattler Plastics Company, Inc. | 312-733-2900 | IL | USA |
| H.J. Enthoven & Sons | 44-1629-733291 | - | United Kingdom |
| Haldia Petrochemicals Ltd. | 91 33 22831657 | - | India |
| Hanna Prime Inc. | 817-652-3431 | TX | USA |
| Hanwha Chemical | 02-729-2700 | - | Korea |
| Hanyang Chemical Corp. | - | - | Korea |
| Haysite Reinforced Plastics | 814-868-3691 | PA | USA |
| HELLENIC PETROLEUM S.A. | +3010 5539061 | - | Greece |
| Hercules Incorporated | 800-441-7600 | DE | USA |
| Heritage Plastics, Inc. | 800-245-4623 | MS | USA |
| Hexion Specialty Chemicals GmbH | 49-23-74-925-0 | - | Germany |
| HIPOL A.D. | 025-743-221 | - | Serbia |
| HIP-PetroHemija | +381 (0)13 307 132 | - | Serbia |
| Hitachi Chemical Co., Ltd. | 81-3-3865-1985 | - | Japan |
| HiTech Polymers, Inc. | 606-334-4500 | KY | USA |
| HMC Polymers | +66 2679 6388 | - | Thailand |
| HMS Compounds, Inc. | 817-468-3099 | TX | USA |
| Hoffman Plastic Compounds Inc. | 323-636-3346 | CA | USA |
| Honam Petrochemical Corporation | 82-2-829-4114 | - | South Korea |
| Honeywell | 973-455-2000 | NJ | USA |
| Horda Cable Compounds | 46 370 65 87 00 | - | Sweden |
| Huntsman Advanced Materials | 888-564-9318 | TX | USA |
| Huntsman Corporation | 800-233-1159 | TX | USA |
| Hybri-Chem Inc. | 800-235-4201 | CA | USA |
| Hycail bv | +31 (0)594 50 57 69 | - | Netherlands |
| Hyosung Chemicals PG | +82-2-707-7528 | - | Korea |
| ICO Polymers, Inc. | 713-351-4106 | TX | USA |
| Idemitsu Chemicals | 248-355-9590 | MI | USA |
| Idemitsu PS | 607-339-1001 | - | Malaysia |
| InChem Corp. | 803-329-8000 | SC | USA |
| INDELPRO, S.A. de C.V. | 52 (81) 8748-2900 | - | Mexico |
| Indian Petrochemicals Corporation Ltd. | - | - | India |
| Indorama Thailand | 662-661-6661 | - | Thailand |
| Indspec Chemical Corporation | 412-765-1200 | PA | USA |
| Industrial Dielectrics Inc. | 317-773-1766 | IN | USA |
| Industrial Summit Technology Co. | 732-238-2211 | NJ | USA |
| INEOS ABS (Spain) S.L. | 34-977-83-5417 | - | Germany |
| INEOS ABS (Thailand) Co. Limited | 81-3-5293-8025 | - | Japan |
| INEOS ABS (USA) Corporation | 513-467-2284 | OH | USA |
| INEOS Barex | 302-838-3278 | DE | USA |
| INEOS Compounds | 39-0532-315511 | - | Italy |
| INEOS NOVA International SA | 41-26-426-5656 | - | Switzerland |
| INEOS NOVA LLC | 800-758-9634 | IL | USA |
| INEOS Olefins & Polymers USA | 281-535-6600 | TX | USA |
| INEOS Polyolefins | 32-2264-3808 | - | Belgium |
| Inno-Comp Ltd. | 36-4954-2084 | - | Hungary |
| Innospec Active Chemicals | - | - | Germany |
| Innova SA | 55 51 3378-2300 | - | Brazil |
| Innovative Polymers, Inc. | 517-224-9500 | MI | USA |
| Innovia Films Ltd. | +44 (0) 16973 42281 | - | United Kingdom |
| INSA | 52-5 726-1800 | - | Mexico |
| International Polymers Corporation | 800-526-0953 | PA | USA |
| Interplastic Corporation | 606-292-7400 | KY | USA |
| Invibio Inc. | 866-INVIBIO | SC | USA |
| INVISTA | 770-792-4221 | KS | USA |
| Iran Petrochemical Commercial Company (IPCC) | - | - | - |
| IRe Chemical Ltd. | 82-2508-7251 | - | Korea |
| IRPC Public Company Limited | (66 2) 678-5000 | - | Thailand |
| J&A Plastics GmbH | 49-2151-4960 | - | Germany |
| Jackdaw Polymers | +44 1706 377115 | - | United Kingdom |
| Jamplast, Inc. | 636-238-2100 | MO | USA |
| Japan Polychem Corporation | 03-6414-4400 | - | Japan |
| Japan Polyolefins Co., Ltd. (JPO) | 81-3-3595-4711 | - | Japan |
| JER Envirotech Ltd. | 604-940-9262 | - | Canada |
| Jilin Chemical Group | 86-432-2545699 | - | China |
| JJI Technologies, LLC | 877-554-3277 | LA | USA |
| JPS Elastomerics Corp. | 413-533-8100 | MA | USA |
| JSC CONCERN STIROL | +380 6242 78338 | - | Ukraine |
| JSR Corporation | 03-5565-6578 | - | Japan |
| KAFRIT Industries Ltd. | 972-8-6809845 | - | Israel |
| Kaneka Corporation | +81-6-226-5142 | - | Japan |
| Kareline Oy Ltd. | 358-41-468-9672 | - | Finland |
| KAUCUK, a.s. - UNIPETROL GROUP | 420-205-71 11 11 | - | Czech Republic |
| K-Bin, Inc. | 979-233-6610 | TX | USA |
| Kern GmbH | (0 26 89) 67-0 | - | Germany |
| Keysor-Century Corporation | 805-259-2360 | CA | USA |
| Kingfa | 86-20-87037818 | - | China |
| Kleerdex Company | 803-642-6864 | SC | USA |
| Kolon Plastics, Inc. | 82-2-3677-3611 | - | Korea |
| Korea Engineering Plastics Co., Ltd | 82-2-707-6840 | - | Korea |
| Korea Kumho Petrochemical Co., Ltd. | 82-2-767-6114 | - | Korea |
| Kotec Corporation | 0559-77-1818 | - | Japan |
| KRAIBURG TPE Corporation | 678-584-5020 | GA | USA |
| Kraton Polymers LLC | 800-457-2866 | TX | USA |
| Kumho Polychem Co., Ltd. | 02)6303-3841 | - | Korea |
| Kunststoff-Kontor-Hamburg GmbH | 040/727 349-0 | - | Germany |
| Kuraray America, Inc. | 713-495-7311 | TX | USA |
| KW Plastics | 800-633-8744 | AL | USA |
| LANXESS Asia/Pacific | 81-3-5293-8025 | - | Japan |
| LANXESS Corporation | 800-LANXESS | PA | USA |
| LANXESS GmbH | 34-977-83-5417 | - | Germany |
| LATI S.p.A. | +39-0332 409111 | - | Italy |
| Lavergne Group | 514-354-5757 | - | Canada |
| Lear Corporation | 248-447-1500 | MI | USA |
| Lehmann & Voss & Co. | 49-40-44197-499 | - | Germany |
| LEIS Polytechnik - polymere Werkstoffe GmbH | +49 (0)6371-9635-0 | - | Germany |
| Lenzing | 704-551-1401 | TN | USA |
| LG Chem Ltd. | 201-816-2302 | NJ | USA |
| LG Polymers India Pvt. Ltd. | (91) 0891 520 455 | - | India |
| Lion Copolymer, LLC | 800-535-9960 | LA | USA |
| Lion Polymers Incorporated | 281-320-0966 | TX | USA |
| Loctite® | 626-968-6511 | CA | USA |
| Longkou Dawn Engineering Plastics Co., Ltd. | 86-535-8861111 | - | China |
| Lord Corporation | 919-468-5979 | NC | USA |
| Lotte Daesan Petrochemical Corp. | (82) 2-829-4114 | - | Korea |
| Loyal Chemical | 886-2239-23245 | - | Taiwan |
| LTL Color Compounders, Inc. | 800-863-4260 | PA | USA |
| Lubrizol Advanced Materials Europe B.V.B.A. | 32-2-678-1911 | - | Belgium |
| Lubrizol Advanced Materials, Inc. | 800-380-5397 | OH | USA |
| Lucent Polymers, Inc. | 812-421-2216 | IN | USA |
| Lucite International Inc. | 901-381-2000 | TN | USA |
| Lucky Enpla Co LTD | 054)972-6122 | - | South Korea |
| Lucobit AG | +49 (0) 22 36/72-13 24 | - | Germany |
| LUKOIL Bulgaria Ltd. | +359 2 91 74 106 | - | Bulgaria |
| LUKOIL Chemical | +32 (0)3 303 21 00 | - | Belgium |
| LyondellBasell Advanced Polyolefins USA, Inc. | 817-792-1400 | TX | USA |
| LyondellBasell Industries | 302-683-8000 | DE | USA |
| M&G Gruppo Mossi & Ghisolfi | 281-873-5780 | TX | USA |
| M. Holland Company | 847-272-7370 | IL | USA |
| M.A. Industries, Inc. | 800-241-8250 | GA | USA |
| Magnolia Plastics, Inc. | 800-831-8031 | GA | USA |
| Manner Plastics, L.P. | 972-542-6789 | TX | USA |
| Marplex Australia Pty. Ltd. | 800-627-987 | - | Australia |
| Mazzucchelli 1849 Spa | +39 0331 826111 | - | Italy |
| McCann Plastics Inc. | 330-499-1515 | OH | USA |
| MCP Group | 44 (0) 17 85-81 56 51 | - | England |
| Melos GmbH | 49-5422-9447 | - | Germany |
| Menzolit Ltd (UK) | 44-1706-814714 | - | United Kingdom |
| Merquinsa | 34-93-572-1100 | - | Spain |
| Metton America | 404-349-4774 | GA | USA |
| Michael Day Enterprises | 800-733-7611 | OH | USA |
| Midstate Plastics Inc. | 205-926-5444 | AL | USA |
| Mitech Corporation | 216-425-1634 | OH | USA |
| Mitsubishi Chemical Performance Polymers, Inc. | 864-879-5806 | SC | USA |
| Mitsubishi Engineering-Plastics Corp | 212-687-6100 | - | Japan |
| Mitsubishi Gas Chemical America, Inc. | 212-752-4620 | - | - |
| Mitsubishi Rayon America Inc. | 212-759-5605-9 | NY | USA |
| Mitsui Chemicals America, Inc. | 914-253-0777 | NY | USA |
| Mitsui Chemicals, Inc. | 81-3-6253-2100 | - | Japan |
| Modern Dispersions, Inc. | 978-534-3370 | MA | USA |
| Modified Plastics, Inc. | 714-546-4667 | CA | USA |
| Montsinger Technologies, Inc. | 704-821-7722 | NC | USA |
| MRC Polymers, Inc. | 773-276-6345 | IL | USA |
| Muehlstein | 800-257-3746 | CT | USA |
| Muehlstein Compounded Products | 800-257-3746 | TX | USA |
| Multibase, A Dow Corning Company | 800-343-5626 | OH | USA |
| Mytex Polymers | 812-280-2900 | IN | USA |
| Nan Ya Plastics Corporation | 630-875-0200 | IL | USA |
| Nanjing Jinling OPTA Polymer Co., Ltd. | (0086) 25-85333806 | - | China |
| Nanjing Julong Engineering Plastics Co., LTD | (86)25-8746604 | - | China |
| Nanjing Lihan Chemical Co., Ltd. | 0086-25-5210-2416 | - | China |
| Nantex Industry Co., Ltd. | 886-7-6413621 | - | Taiwan |
| NaturePLAST | (+33) 2 31 350 119 | - | France |
| NatureWorks® LLC | 800-664-6436 | - | - |
| Network Polymers, Inc. | 330-773-2700 | OH | USA |
| New England Urethane, Inc | 800-760-0638 | CT | USA |
| Newport Elastomers | 870-523-6030 | AR | USA |
| NEXT Specialty Resins, Inc. | 517-547-4600 | MI | USA |
| Nilit Ltd. | +972514-1111 | - | Israel |
| Nippon A&L Inc. | 06-6220-3653 | - | Japan |
| Nippon Zeon Co., LTD. | 800-735-3388 | KY | USA |
| Nizhnekamskneftekhim Inc. | 007 (8555) 37-78-30 | - | Russia |
| Noble Polymers | 616-975-4972 | MI | USA |
| Norold Composites Inc. | 800-563-2089 | - | Canada |
| North Wood Plastics, Inc. | 920-457-8475 | WI | USA |
| NOVA Chemicals | 403-750-3600 | - | Canada |
| Nova Petroquímica | 55-11-3583-5900 | - | Brazil |
| NOVA Polymers, Inc. | 812-476-0339 | IN | USA |
| Nova-Borealis Compounds LLC | 800-407-6225 | NJ | USA |
| NOVACHEM | 800-762-3984 | CT | USA |
| Novamont S.p.A. | +39 26 270 7044 | - | Italy |
| Novomer, Inc. | 607-330-2321 | NY | USA |
| NuSil Technology | 805-684-8780 | CA | USA |
| Nycoa (Nylon Corporation of America) | 800-851-2001 | NH | USA |
| Nytex Composites Co., Ltd. (USA) | 800-697-5225 | CA | USA |
| Occidental Chemical Corp. (OxyChem) | 800-733-3339 | TX | USA |
| Ohio Valley Plastics Group | 812-425-8544 | IN | USA |
| Oman Polypropylene LLC | (968) 2686 5000 | - | Sultanate of Oman |
| Omodo GmbH | 0049 (0)3361 64931 | - | Germany |
| O'Neil Color and Compounding | 800-282-7933 | NJ | USA |
| Osterman & Company | 800-428-3070 | CT | USA |
| Ovation Polymers Inc. | 330-723-5686 | OH | USA |
| Oxford Performance Materials, Inc. | 860-698-9300 | CT | USA |
| Oxford Polymers | 860-225-3700 | CT | USA |
| P.D. George Company | 314-621-5700 | MO | USA |
| pal plast GmbH | +49 (0)6108 705-0 | - | Germany |
| Pantasote Polymers, Inc. | 201-393-0888 | NJ | USA |
| Patent Plastics Inc. | 865-992-9868 | TN | USA |
| PBI Performance Products, Inc. | 704-554-3378 | NC | USA |
| Pelton Polymers Limited | +44 (0)1594 842406 | - | United Kingdom |
| Pemex Petroquímica | (01-921) 2-11-12-60 | - | Mexico |
| PENTAC Polymer GmbH | +49 6078 9323-0 | - | Germany |
| Perrite | 44 (0) 1925 810608 | - | United Kingdom |
| Perstorp Compounds, Inc. | 413-584-2472 | MA | USA |
| Perstorp UK Limited | +44 (0) 1925 643500 | - | United Kingdom |
| PETKIM Petrokimya Holding A.S. | 0232-616-32-40 (20) | - | Turkey |
| PETLIN (MALAYSIA) SDN BHD | 60-3-2051-7908 | - | Malaysia |
| Petrobras Energia SA | (54-11) 4344-7200 | - | Argentina |
| PETROKEN (Petroquimica Ensenada S.A.) | 54-11-4382-6342 | - | Argentina |
| Petromont | 514-640-6400 | - | Canada |
| PETRONAS Polymer Technology Center | 03-2331 3937 | - | Malaysia |
| Petroquim S.A. | (56-2) 351 6700 | - | Chile |
| Petroquimica Triunfo | 0800 15 48 88 | - | Brasil |
| P-Group Deutschland GmbH | +49(0)711/327000-0 | - | Germany |
| Phillips Sumika Polypropylene Company | 832-813-4100 | TX | USA |
| Phoenix Plastics Co., Inc. | 936-760-2311 | TX | USA |
| Pier One Polymers, Inc. | 586-493-7984 | MI | USA |
| Pinnacle Polymers | 985-535-2000 | LA | USA |
| PiO Kunststoffe GmbH & Co KG | 07 61-478 16-00 | - | Germany |
| Plantic Technologies Limited | +61 3 9353 7900 | - | Australia |
| Plaskolite West, Inc. | 800-562-8883 | CA | USA |
| Plaskolite, Inc. | 800-848-9124 | OH | USA |
| Plastic Manufacturing Company | 214-330-8671 | TX | USA |
| Plastic Selection Group, Inc. | 614-464-2008 | OH | USA |
| Plastic Service Centers | 888-44-PLASTIC | MI | USA |
| PlastiComp, LLC | 507-454-4334 | MN | USA |
| Plastics Engineering Co. | 920-458-2121 | WI | USA |
| Plastiglas de Mexico S.A de C.V. | 52-55-5261-8263 | - | Mexico |
| PLASTIGREEN Compounds | 39-331-584310 | - | Italy |
| PlastxWorld Inc. | 904-493-6081 | FL | USA |
| PMC Group Polymer Products | 610-759-3690 | PA | USA |
| Polimeri Europa | 39 02 62551 | - | Italy |
| Poliolefinas Internacionales, C.A. POLINTER | (58261) 796.21.11 | - | Venezuela |
| Polipropileno de Venezuela, Propilven, S.A. | +58 (212) 2768454 | - | Venezuela |
| POLYCOMPO Co.,Ltd. | 03-5437-5618 | - | Japan |
| POLYETHYLENE MALAYSIA SDN BHD | 603-206 5960 | - | Malaysia |
| POLYFEA | +49 (0)7625 91 84 58 | - | Germany |
| Polykemi AB | 46-0-411-170-30 | - | Sweden |
| Polymer Compounders Limited | 0191 378 3737 | - | United Kingdom |
| Polymer Extruded Products, Inc. | 973-344-2700 | NJ | USA |
| Polymer Resources Ltd. | 800-243-5176 | CT | USA |
| Polymer Technology and Services, LLC | 615-898-1700 | TN | USA |
| PolyMirae | +82-2-2167-8955 | - | Korea |
| PolyOne Corporation | 866-PolyOne | OH | USA |
| PolyPacific Pty. Ltd. | +61 3 9793 6000 | - | Australia |
| PolyPak International | 877-738-2688 | CA | USA |
| Polyplastics Co., Ltd. | (81)3-3593-2441 | - | Japan |
| Polypropylene Malaysia Sdn Bhd | 609 5856700 | - | Malaysia |
| Polyram Ram-On Industries | 972-6-6499555 | - | Israel |
| Polyscope Advanced SMA Polymers BV | 31-4647-63989 | - | The Netherlands |
| Polystyrene Australia Pty Ltd | (03) 9317 4077 | - | Australia |
| Polyurethane Specialties Company | 201-438-2325 | NJ | USA |
| PPG Industries, Inc. | 800-437-8318 | PA | USA |
| Precision Polymer Engineering Ltd. | 44 1254 295400 | - | United Kingdom |
| Premier Plastic Resins, Inc. | 877-777-4514 | MI | USA |
| Premix Thermoplastics, Inc. | 1-888-284-3304 | WI | USA |
| Premix, Inc. | 440-224-2181 | OH | USA |
| Prime Polymer Co., Ltd. | 81-3-6253-4500 | - | Japan |
| Prime PVC® | 800-643-6909 | IN | USA |
| Pro Polymers | 734-471-7193 | MI | USA |
| PROPILCO S.A. | (571) 5960220 | - | Colombia |
| Proquigel | 5511-418-3100 | - | Brazil |
| PTT Chemical Public Company Limited | 66 2348 6316 | - | Thailand |
| PTY Enterprises, INC | 800-441-8095 | CA | USA |
| Putsch Kunststoffe GmbH | +49 (0) 911 93 62 60 | - | Germany |
| QAPCO | 974-4321105 | - | Qatar |
| Qenos Pty Ltd | 61 3 9258 7333 | - | Australia |
| QTR, Inc. | 812-429-0901 | IN | USA |
| Quadrant Engineering Plastic Products | 800-366-0300 | PA | USA |
| Quantum Composites Inc. | 517-496-2884 | MI | USA |
| R.O.J. Jongboom Holding B.V. | 31-488-451318 | - | The Netherlands |
| Radici Plastics | 39-035-499-1311 | - | Italy |
| Rainmaker Polymers LLC | 574-268-0010 | IN | USA |
| RAUH Polymers, Inc. | 330-376-1120 | OH | USA |
| Ravago Group | +32-14-672511 | - | Belgium |
| RBI, Inc. | 610-236-1445 | PA | USA |
| RBM Polymers, Inc. | 888-979-0695 | PA | USA |
| RC Plastics, Inc. (Div. of LNP Engineering Plastics) | 281-371-5100 | TX | USA |
| Reichhold Chemicals, Inc. | 800-448-3482 | NC | USA |
| Reinier Plastic | 450-460-4488 | - | Canada |
| Reliance Industries Limited | - | - | India |
| REPSOL YPF | +34 91 348 80 00 | - | Spain |
| Resin Resources | 213-458-1500 | CA | USA |
| ResinDirect | 866-289-7674 | CT | USA |
| Resinoid Engineering Corporation | 847-673-1050 | IL | USA |
| Resirene, S.A. de C.V. | 52-55-5261-8000 | - | Mexico |
| RheTech, Inc. | 800-869-1230 | MI | USA |
| Rhodia Engineering Plastics SA | 888-776-7337 | - | Canada |
| RIALTI Srl | +39 0331920724 | - | Italy |
| Riken Technos Corp. | (03) 3663-7991 | - | Japan |
| RIMTEC CORPORATION | 609-387-0011 | NJ | USA |
| Rio Polimeros S.A. | (21) 2157-7700 | - | Brazil |
| Rodenburg Biopolymers B.V. | +31 162 497030 | - | Netherlands |
| Rogers Corporation | 800-243-7158 | CT | USA |
| ROMIRA GmbH | 0049 4101 706302 | - | Germany |
| ROMPETROL PETROCHEMICALS S.R.L. | 40-241-506-868 | - | Romania |
| Roscom, Inc. | 215-781-1700 | PA | USA |
| Rotuba Extruders, Inc. | 908-486-1000 | NJ | USA |
| RTP Company | 800-433-4787 | MN | USA |
| Rubber & Plastics Solutions, Inc. | 423-436-3167 | TN | USA |
| S&E Specialty Polymers, LLC | 978-537-8261 | MA | USA |
| SABIC Innovative Plastics | 800-845-0600 | MA | USA |
| SABIC Innovative Plastics Asia Pacific | 86-21-3222-4500 | - | China |
| SABIC Innovative Plastics Europe | 31-164-292911 | - | Netherlands |
| Safripol (PTY) LTD | +27-11-575-4549 | - | South Africa |
| Saint Gobain - Norton | - | - | - |
| Saint Gobain Performance Plastics | - | - | - |
| Salflex Polymers Ltd. | 1-416-741-0273 | - | Canada |
| Sam Yang Co., Ltd. | 82-2-740-7114 | - | Korea |
| SAMSUNG TOTAL PETROCHEMICALS Co., Ltd. | 82-41-660-6114 | - | Korea |
| Samsung, a division of Cheil Industries | 82-2-527-2401 | - | Korea |
| Sanyo Chemical Industries, Ltd. | +81 - 3 - 5200 - 3473 | - | Japan |
| SASOL Polymers | 27-11-790-1412 | - | South Africa |
| Saudi Basic Industries Corporation (SABIC) | 966-1-225-8000 | - | Kingdom of Saudi Arabia |
| SAX Polymers | 43/1/2559900 | - | Austria |
| SCG Chemicals Co., Ltd. | 66-2586-4184 | - | Thailand |
| Schwartz Technical Plastic | 724-778-3310 | PA | USA |
| Sebi Innovative Compounds | 0331/836.011 | - | Italy |
| Sekisui (Hong Kong) Limited | 852-28909161 | - | - |
| Sekisui Chemical Company, Ltd. | 800-866-4005 | NY | USA |
| SENOPLAST USA, Inc. | 877-736-6872 | IL | USA |
| Shakespeare Monofilaments and Specialty Polymers | 800-845-2110 | SC | USA |
| Shandong DAWN-BH Elastomer Co., Ltd | 0535-8831299 | - | China |
| Shanghai Jing Qi Polymer Science Co. (SJPS) | - | - | China |
| Shannon Industrial Corporation | 815-337-2349 | IL | USA |
| Shell Chemical Company | 800-872-7435 | TX | USA |
| Shin-A Corporation | 82-2-589-6800 | - | Korea |
| Shincor Silicones, Inc. | 330-630-9460 | OH | USA |
| Shinkong Synthetic Fiber Corp. | 886-2-2507-1251 | - | Taiwan |
| Showa Highpolymer Co., LTD | +81(0)3.5403.5650 | - | Japan |
| Shuman Plastics, Inc. | 716-685-2121 | NY | USA |
| Sidpec (Sidi Kerir Petrochemicals Co.) | 203-477-0131 | - | Egypt |
| Silicones, Inc. | 800-533-8709 | NC | USA |
| Singapore Polymer Corporation (Pte) Ltd | +(65) 6-265 2544 | - | Singapore |
| SINOPEC Qilu Co., Ltd. Plastics Institute | 86-533-751148 | - | China |
| SINOPEC Shanghai Petrochemical Co. Ltd. | (8621) 57941941 | - | China |
| SK Chemicals | 201-613-8000 | NJ | USA |
| SK Corporation | 82-2-2121-6922 , 7332 | - | South Korea |
| Slovnaft, a.s. | 421/2/5859 1111 | - | Slovakia |
| SO.F.TER. SPA | +39 0543 790411 | - | Italy |
| Soarus L.L.C. | - | - | - |
| Solutia Inc. | 888-927-2363 | MO | USA |
| Solvay Advanced Polymers | 800-621-4557 | GA | USA |
| Solvay Benvic | 32-2509-6111 | - | Belgium |
| Solvay Solexis, Inc. | 800-323-2874 | NJ | USA |
| Solvay Specialities India Private Limited (SSIPL) | 91-22-2438-5564 | - | India |
| SolVin S.A. | - | - | Belgium |
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