| Company | Phone | Phone 2 | Fax |
| 2A Biotech USA | 630-322-8887 | 630-322-8886 | 630-596-8887 |
| A ChemTek, Inc. | 1-508-471-4121 | | 1-508-845-9201 |
| A1BioChemLabs | 315-299-4775 | 315-935-6848 (mobile) | 877-766-3182 |
| AA BLOCKS LLC | 858-523-8231 | | |
| AB Specialty Silicones | (908) 273-8015 | (800) 678-3024 | (224) 232-1999 |
| Abacipharm Corp. | 410-417-5545 | | 443-200-6118 |
| ABITEC | 800-555-1255 | 614-429-6464 | 614-421-7996 |
| Accela ChemBio Inc. | (858) 699-3322 | | |
| Accella Polyurethane Systems | 888-899-9665 | | |
| Aceto Corporation | 516-627-6000 | | 516-627-6093 |
| Acme-Hardesty | 215-591-3610 | | 215-591-3620 |
| Acrotein ChemBio Inc | 205-730-9388 | | 205-730-9519 |
| ACS Scientific Inc. | 1-908-464-0931 | | 1-908-934-9218 |
| Actives International | 201.236.2828 | | 201.236.9055 |
| ADI ChemTech | 770-881-7111 | | |
| Advance Research Chemicals, Inc. | 918-266-6789 | | 918-266-6796 |
| Advance Scientific & Chemical, Inc. | 1-800-524-2436 | (954) 327-0900 | (954) 327-0903 |
| Advanced Compounds International, Inc. | (845) 517-0135 | | (845) 371-9133 |
| Advanced Organic Synthesis, LLC | 281-794-5186 | 281-250-0218 | |
| AerChem inc. | 812.334.9996 | | 812.824.5181 |
| AIC | 800-238-0001 | 508-270-1800 | 508-872-1566 |
| AIDP, Inc. | (626) 964-6910 | (866) 262-6699 | (626) 964-6739 |
| Airgas, an Air Liquide company | 855.625.5285 | | |
| AJAY NORTH AMERICA, L.L.C. | 770-943 6202 | | 770-439-0369 |
| AK Scientific | (510) 429-8835 | | (510) 429-8836 |
| Akaal Organics | 562-491-5597 | | 562-491-5288 |
| Albany Molecular Research Inc. (AMRI) | 1.518.512.2000 | | |
| Albemarle | 800-535-3030 | | |
| Albemarle U.S., Inc. | 704-734-2682 | 704-739-2501 | 704-734-2718 |
| Alchemie USA, Inc. | 860-621-2470 | | 860-621-9570 |
| Alfa Aesar, now part of Thermo Fisher Scientific | 1-800-766-7000 (Fisher Scientific) | 1-800-343-0660 (Alfa Aesar) | |
| Alfa Chem | 800-375-6869 | 516-504-0059 | 516-504-0039 |
| Alfa Chemistry | 201-478-8534 | | 516-927-0118 |
| ALLAN CHEMICAL CORPORATION | 973-962-4014 | | 973-962-6820 |
| Alnor Oil Company, Inc. | 516-561-6146 | | 516-561-6123 |
| Alpha Aromatics | 412-252-1012 | 800-295-5261 | |
| ALTIVIA | (713) 658-9000 | | |
| AlzChem | 770-804-0371 | | 770-804-0375 |
| Alzo International Inc. | 732-254-1901 | | 732-254-4423 |
| AM Chemicals, LLC | 760.631.0330 | | |
| Ambeed, Inc. | 630-580-1088 | | 630-581-0788 |
| Amel PharmaTech Corporation | +1 888-436-6503 | | +1 888-502-1736 |
| American Biochemicals, Inc. | (979) 696-8080 | | (979) 696-7171 |
| American Chemet Corporation | 847 948 0800 | | 847 948 0811 |
| American Laboratories, Inc. | 402-858-2612 | | 402-339-0801 |
| American Radiolabeled Chemicals, Inc. | 314-991-4545 | 800-331-6661 | 314-991-4692 |
| Amsyn Incorporated | 203-329-6500 | | 203-329-6600 |
| Anderson & Steinssen, Inc | (425) 336-0366 | | |
| ANGUS Chemical Company | +1 847-808-8600 | +1 800-362-2580 | |
| AnMar International Ltd. | 203-336-8330 | | 203-336-5508 |
| AOC | 901-854-2800 | 800-238-7536 | 901-854-7277 |
| Aozeal Certified Standards (AOCS), Inc. | (510) 225-4077 | (800) 683-8135 | (510) 373-2446 |
| Apiscent Labs, LLC | | | |
| Applied Catalysts | 678-332-1399 | | |
| Ark Pharm Inc. | 847-367-3680 | | 847-367-3681 |
| Arkema Inc. | 800-225-7788 | 610-205-7000 | |
| Armand Products Company | 609-806-0097 | | 609-403-7403 |
| ARO Universal Trading | +1 855 7100 ARO (276) | +305-234-3980 | |
| Ascensus Specialties | +1 463.202.1717 | | |
| ASDI Inc. | 302-266-6891 | 888-577-ASDI (2734) | 302-266-8296 |
| Ashland Inc. | 1-800-243-6788 | 1-302-594-5000 | |
| Asiamerica Group Inc. | 201-497-5993 | | 201-497-5994 |
| ATLANTIC EQUIPMENT ENGINEERS | 800-486-2436 | 201-384-5606 | 201-387-0291 |
| Atotech USA, LLC | 803-817-3500 | 800-843-4460 | 803-817-3602 |
| Austin Chemical Company, Inc. | 847-520-9600 | | 847-520-9160 |
| Avanti Polar Lipids, Inc. | (800) 227-0651 | (205) 663-2494 | (205) 663-0756 |
| Avatar Corporation | 800.255.3181 | 708.534.5511 | 708.534.0123 |
| Avonyx Laboratories, LLC | 732-572-7122 | | 732-572-7123 |
| AxisPharm | 858-677-9432 | | 858-228-1081 |
| Azelis Americas CASE | 513-860-9300 | 800-543-1121 | 513-870-5210 |
| Barker Industries, Inc. | (704) 391-1023 | | (704) 393-0464 |
| BASF Care Chemicals | 800-669-2273 | 513-482-3000 | |
| BASF Corporation - Intermediates Division | 800-426-8696 | | |
| BassTech International | 201-569-8686 | | 201-569-7511 |
| BeanTown Chemical, Inc. | 1-844-891-6306 | 1-603-402-2234 | |
| Bedoukian Research | (203) 830-4000 | | (203) 830-4010 |
| Berry & Associates, Inc. | (800) 357-1145 | (734) 426-3787 | (734) 426-9077 |
| Biddle Sawyer | (212) 736-1580 | | (212) 239-1089 |
| Bio-Botanica®, Inc. | 1-800-645-5720 | 631-231-5522 | 631-231-7332 |
| BioChemica International | 321-254-3444 | | 321-242-9507 |
| BioSpectra | 610-599-3427 | | 610-599-3410 |
| BIOSYNTH INTERNATIONAL, Inc. | (630) 305-8400 | | (630) 626-4063 |
| BJG Trading Corporation | 678-428-5804 | | 770-592-7667 |
| Blue Line Corporation | 210-225-0400 | | 210-225-1440 |
| BOC Sciences | 631-619-7922 | | 631-614-7828 |
| BoroPharm Inc. | 1-888-366-1496 | | 248-348-5760 |
| Boulder Scientific Company | 970-535-4494 | | 970-535-4584 |
| Brenntag North America | 484-456-2048 | 800-915-0027 | |
| Brian Perles | | | |
| Bromorganics Corporation | 847-238-9588 | 847-350-0600 | 847-238-9688 |
| Bruchem, Inc. | 201-560-9300 | | 201-560-9310 |
| Brutanicals, Inc. | 201-560-9300 | | 201-560-9310 |
| Buckman | 1-800-BUCKMAN | | 901-276-6890 |
| BWA Water Additives US LLC | 678-802-3050 | 800-600-4523 | |
| Cabot Corporation | 617-345-0100 | 678-297-1300 | 678-297-1245 |
| Callahan Chemical Company | (856) 786-7900 | | |
| Callery | 724-766-1799 | | |
| CALSAK CHEMICALS | 800-743-2595 | 310-719-9500 | 310-719-1300 |
| Calumet Specialty Products Partners, L.P. | 800-437-3188 | 317-328-5660 | 317-328-2359 |
| Cambrex Corporation | +1 201-804-3000 | | |
| Cambridge Isotope Laboratories, Inc. | 978-749-8000 | | 978-749-2768 |
| CANTON CHEM INC | 410-531-5671 | | 410-531-5736 |
| Carbomer, Inc. | 858-552-0992 | (800) 239-7129 | 858-552-0999 |
| Cargill | 800.535.1443 | | 641.969.3766 |
| Caribbean Natural Products | 973-287-6668 | | 973-521-7252 |
| Cater Chemicals Corp. | 630-980-2300 | | 630-980-2323 |
| Cayman Chemical Company | 800-364-9897 (Customer Service) | 888-526-5351 (Technical Services) | |
| CellMark USA, LLC - formerly Alcan International Network | 203-541-9137 | 203-541-9200 | 203-541-9191 |
| Century Multech Inc. | 718-353-9885 | | 718-353-9878 |
| CEPiA-Sanofi | 800-981-2491 (Toll Free USA) | +1-908-981 4432 | |
| Charkit Chemical Company | 203-299-3220 | | 203-299-1355 |
| Charles Bowman and Co. | 616-738-4104 | | 616-786-2864 |
| Chattem Chemicals, Inc. | 1-423-822-5000 | | 1-423-825-0507 |
| Chem-Impex International | (800) 869-9290 | 630-766-2112 | 630-766-2218 |
| CHEM-IS-TRY Inc. | 877-CHEM-123 | 732-372-7311 | 732-372-7312 |
| ChemBridge Corporation | 858.451.7400 | | |
| ChemCeed | 715-726-2300 | | 715-726-2314 |
| Chemenu Inc. | 86-21-2022 2982 | | 86-21-2096 2272 |
| ChemPacific Corporation | 410-633-5771 | | 410-633-5808 |
| Chemsolv Inc. | (540) 427-4000 | | (540) 427-3207 |
| Chemspace | +1 (732) 917 0158 | +371 (270) 60 007 | +1 (844) 646 2007 |
| ChemUniverse, Inc. | (847) 627-5617 | | (224) 361-3430 |
| Chengdu Alfa Biotechnology Co.,Ltd. | 86-28-85142057 | 86-18030712385 | 86-28-85142057 |
| CHENGDU UNIBIOCHEM CO., LTD | | | |
| Chevron Phillips Chemical Company LP | 800-858-4327 | | 832-813-4971 |
| Chiral Quest Corp. | 732-274-0399 | | 732-274-0402 |
| Chiral Technologies, Inc. | 800-6CHIRAL (800-624-4725) | 610-594-2100 | 610-594-2325 |
| Chiralstar, Inc. | 732-236-3202 | | 845-673-1239 |
| CiVentiChem | 919-678-0702 | 919-678-0704 | 919-678-0706 |
| Clariant Corporation (Personal Care) | 800.538.8397 | | |
| Cole Chemical | 713-465-2653 | | 713-461-3462 |
| Colonial Chemical, Inc. | (423) 837-8800 | | (423) 837-3888 |
| Columbia Sales International, Inc. | (410) 312-7979 | | (410) 312-7421 |
| Columbus Chemical Industries, Inc. | (920) 623-2140 | (888) 265-2436 | (920) 623-2577 |
| Columbus Vegetable Oils | 800-322-6457 | 773-265-6500 | 847-257-8876 |
| Combi-Blocks, Inc. | 1-877-5-blocks (1-877-525-6257) | 858-635-8950 | 858-635-8991 |
| Cortec Corp. | 651-429-1100 | 800-4-CORTEC | 651-429-1122 |
| CovaChem, LLC | 800.368.1931 (US only) | 815.315.1271 | 815.315.1272 |
| Covestro LLC | 844-646-0545 | 412-413-2000 | |
| CP Kelco | (800) 535-2687 | (678) 247-7300 | (678) 247-2797 |
| Creative Enzymes | 631-619-7922 | | 631-938-8127 |
| Crescent Chemical Company | 800-877-3225 | 631-348-0333 | 631-348-0913 |
| CRI Catalyst Company | (832) 337-2857 | | |
| CTL Scientific Supply Corp. | 631-242-4249 | 888-686-3454 (toll free, US only) | 631-242-4504 |
| Custom® INGREDIENTS | 803-377-1213 | | 803-581-5802 |
| Cymer,LLC | 423-334-2778 | | 423-334-1985 |
| Dastech International, Inc. | 516-466-7676 | | 516-466-7699 |
| DATACOR, INC. | 973.822.1551 | | 973.822.3976 |
| DeFOREST Enterprises, Inc. | (561) 994-9696 | | (561) 994-9995 |
| DELTECH CORPORATION | 225-775-0150 | 800-535-9945 | 225-358-3149 |
| Digital Specialty Chemicals, Inc. | 1-603-579-0660 | | |
| Dishman USA | 732-560-4300 | | 732-560-4343 |
| Diversified Advanced Technologies, LLC | 775-857-4300 | | |
| DIXIE CHEMICAL COMPANY, INC. | 281-474-3271 | | |
| DOTTIKON EXCLUSIVE SYNTHESIS | +1 215 295 2295 | | |
| DPL-US | 631-851-8810 | | 631-851-8815 |
| Dudley Chemical Corp. | (732) 886-3100 | | (732) 886-3688 |
| DuPont Industrial Biosciences | (314) 659-3564 | | |
| DuPont Tate & Lyle Bio Products | 302-695-7861 | | 302-332-9249 |
| DynaChem, Inc. | 217-662-2136 | | 217-662-2268 |
| EASTAR CHEMICAL | 800-898-2436 | | 877-898-2436 |
| Eastman Chemical Company | (423) 229-2000 | 1-800-EASTMAN | |
| Eastwood Global Trade Inc. | 908-310-5112 | | 609-252-0469 |
| EBRATOR BIOCHEMICALS | 714-884-4183 | | |
| Ele Corporation | 708-442-9100 | | 708-442-0213 |
| Elementis Specialties | +1 609 443 2000 | +1 800 866 6800 | +1 609 443 2422 |
| EMCO Chemical Distributors, Inc. | 262-427-0400 | | 262-947-0075 |
| Enzo Life Sciences, Inc. | 800-942-0430 | 631-694-7070 | 610-941-9252 |
| Ereztech LLC | 678-561-2221 | 888-658-1221 | |
| Esprix Technologies L.P. | 941-355-5100 | | 941-358-1339 |
| Essential Ingredients | 770-831-9010 | | 770-831-9188 |
| Ethox Chemicals LLC | (864) 277-1620 | | (864) 277-8981 |
| EVANS CHEMETICS LP | (201) 992 3100 | | (201) 992 3101 |
| Excellentia International | 732.749.9840 | | |
| Exim-Indis Inc. | (832) 220-5433 | (832) 779-6323 | (888) 458-2988 |
| FabriChem | 203-372-8811 | | |
| FAR Chemical | 321-723-6160 | | 321-723-8753 |
| Finoric LLC | 832-576-8242 | 1-855-FINORIC | |
| Floratech | 480.545.7000 | | 480.892.3000 |
| FMC Lithium | | | |
| Frinton Laboratories, Inc. | 877-FRINTON | 856-722-7037 | 856-439-1977 |
| FRP SERVICES & CO. (AMERICA) INC. | 212-695-8000 | | 212-695-3100 |
| Fuji Chemical Industries USA, Inc. | 609-386-3030 | | 609-386-3033 |
| FUJIFILM Hunt Chemicals U.S.A., Inc. | | | |
| FutureFuel Chemical Company | 870-698-3000 | | 870-698-3095 |
| G-Biosciences | 314-991-6034 | | 314-991-1504 |
| Gabriel Performance Products | (866) 800-2436 | (440) 992-3200 | (440) 992-3204 |
| GAC Chemical Corporation | | | |
| GC CHEMICALS, CORP. | (914) 834-4151 | | (914) 834-3761 |
| Gehring-Montgomery (TER GROUP) | 215-957-1234 | | 215-957-1311 |
| Gelest, Inc. | 215-547-1015 | | 215-547-2484 |
| Genesee Polymers Corporation | (810) 715-5018 | | (810) 742-8581 |
| Georgia-Pacific Chemicals LLC | 866-4GP-CHEM | | |
| GeroNova Research, Inc. | 775-887-4907 | | 775-201-1640 |
| GFI ADVANCED TECHNOLOGIES, INC. | 201-833-8530 | | 201-833-9156 |
| GFS Chemicals, Inc. | 800-858-9682 | 740-881-5501 | 740-881-5989 |
| Global Essence Inc. | 732-677-1100 | | 732-677-1107 |
| Gojira Fine Chemicals, LLC | 216-650-3363 | | 888-211-5523 |
| Grace Albany Fine Chemicals | 541.812.6020 | | |
| Green Source Organics | (805) 845-9191 | | |
| Gulbrandsen Technologies | (908) 735-5458 | | |
| Hall Technologies, Inc. | 314-725-2600 | 800-878-6699 | |
| Halocarbon Products Corporation | (470) 419-6364 | | (678) 502-7932 |
| Hawkins, Inc. | 800-328-5460 | 612-331-6910 | 612-331-5304 |
| Houghton Chemical Corporation | 800-777-2466 | 617-254-1010 | 617-254-2713 |
| Hubbard-Hall Inc. | 866-441-5831 | (203) 756-5521 | (203) 756-9017 |
| Hunter Chemical LLC | 866.461.8882 | 215.461.1900 | 215.461.1919 |
| ICC Chemical Corporation | 212-521-1700 | | 212-521-1794 |
| IMCD | 1-800-729-8900 | | (216) 228-9141 |
| Indenta Group | 617-953-1080 | 617-953-1607 | |
| Independent Chemical Corporation | 800-892-2578 | 718-894-0700 | 718-894-9224 |
| INDOFINE Chemical Co., Inc. | (908) 359-6778 | | (908) 359-1179 |
| Ingredients Solutions, Inc. | 207-722-4172 | | 207-722-4271 |
| Innoleo LLC | 561-994-8905 | | 561-994-9247 |
| INOLEX | 215.271.0800 | | 215.271.2621 |
| International Laboratory (IL) | 650-278-9963 | | 650-745-2947 |
| Iofina Chemical | 859-356-8000 | | 859-356-8712 |
| Ivanhoe Industries | 215-547-1200 | | 215-946-7411 |
| Ivy Fine Chemicals | 856-465-8550 | | 856-616-1161 |
| J&W Pharmlab, LLC | 215-945-6595 | | 215-945-6597 |
| Jarchem Industries, Inc. | (973) 344-0600 | | (973) 344-5743 |
| Jedwards International, Inc. | | | |
| Jiaherb Inc. | 973-233-5991 | | 973-439-6879 |
| Johnson Matthey | 856-384-7151 | | 856-384-7282 |
| Jonas Chemical Corporation | 718-236-1666 | | 718-236-2248 |
| Jost Chemical Co. | 314-428-4300 | | 314-428-4366 |
| Jungbunzlauer Inc. | 617-969-0900 | | 617-964-2921 |
| KetoTech, Inc. | (217) 866-1072 | | |
| KINGCHEM LIFE SCIENCE | 201-825-9988 | 800-211-4330 | 201-825-9148 |
| Kingston Chemistry | | | |
| Kodak Specialty Chemicals | | | 585-588-3534 |
| KOWA AMERICAN CORP. | 800-221-2076 | 212-303-7800 | 212-310-0101 |
| Kraft Chemical Company | 800-345-5200 | 708-345-5200 | 708-345-4005 |
| Kyowa Hakko U.S.A., Inc | 212-319-5353 | | |
| LabChem Inc. | | | |
| Lamberti Synthesis USA | 281-342-5675 ext 111 | | 979-532-3749 |
| LanEssence, LLC | 307-200-8746 | | |
| LANXESS Corporation | 800-526-9377 | 412-809-1000 | |
| LC Laboratories | 781-937-0777 | | 781-938-5420 |
| Lebermuth | 1-800-648-1123 | | 574-258-7468 |
| Lehan Chemical Brokerage Services, LLC | (800) 276-2344 | (434) 286-9101 | (434)-286-9102 |
| LGM Pharma | 800-881-8210 | | 615-250-9817 |
| Liberty Speciality Chemicals, Inc. | (704) 554-1487 | | (704) 554-7154 |
| Lidochem, Inc. | (732) 888-8000 | | (732) 264-2751 |
| Lintech International LLC | 877-LINTECH | 800-652-9297 | 478-784-1745 |
| Lipotec USA, Inc. | 972-221-7500 | | 972-221-3324 |
| LKT Laboratories, Inc. | 651-644-8424 | | 651-644-8357 |
| Lonza Pharma & Biotech | 862-242-1672 | | |
| Marubeni Specialty Chemicals Inc. | (914) 428-8900 | (800) 887-5054 | (914) 428-8859 |
| Materion Advanced Materials Group | 414-289-9800 | | 414-289-9805 |
| MD Chemicals | +1-508-314-9664 | | |
| Medical Isotopes, Inc. | (603) 635-2255 | (800) 374-9513 | (603) 635-2448 |
| Melrob US, Inc. | 855-635-7621 (855-MELROB1) | | 904-339-9204 |
| Miles Chemical Company | 818-504-3355 | | 818-504-3360 |
| MilliporeSigma | +1 314 286-7995 | +1 800-325-3010 | +1 800-325-5052 |
| Mineral Research and Development | (704) 454-4811 (office) | (800) 334-0417 (toll free) | (704) 454-7390 |
| Mitsui Chemicals America, Inc. | (914) 253-0777 | | (914) 253-0790 |
| Montgomery Chemicals, LLC | 706-342-4024 | | 706-342-1986 |
| Moravek Biochemicals | 714-990-2018 | | 714-990-1824 |
| MORRE-TEC | (908) 688-9009 | | (908) 688-9005 |
| MP Biomedicals | 800-854-0530 | | 800-334-6999 |
| MS FineChem | 312-880-8746 | | |
| MyBioSource | 1.858.633.0165 | 1.855.MyBioSource | 1.858.633.0166 |
| Mytech, Inc. | 704-608-9694 | | 704-541-5646 |
| Napp Technologies | 201.843.4664 | | 201.843.4737 |
| Nation Ford Chemical Co. | 803.548.3210 | | 803.548.2683 |
| Natland International Corporation | 919-380-9775 | | 919-380-9886 |
| Nease Co. , LLC | 888-762-7373 | 513-587-2815 | 513-587-2827 |
| Neuchem Inc. | 775-499-5858 | | |
| Nexeo Solutions | +1.800.531.7106 (USA) | +1.866.201.0051 (Canada) | |
| Niacet Corporation | 847-542-6668 | 716-285-1474 | 716-285-1497 |
| NOAH TECHNOLOGIES CORP. | 210-691-2000 | | 210-691-2600 |
| NORMAN, FOX & CO. | 800-632-1777 | 323-973-4900 | 323-973-4874 |
| Norquay Technology | 610.874.4330 | | 610.874.3575 |
| North American Warehousing Company, Inc. | 708-552-9682 | 630-415-7577 (cell) | |
| NovaStar LP | 432-570-4207 | 877-291-0619 | 432-570-0048 |
| NutriScience Innovations, LLC | 203-372-8877 | | 203-372-9977 |
| Oakwood Products, Inc. | 803-739-8800 | | 803-739-6957 |
| OBITER Research, LLC | 217-359-1626 x123 | | 217-359-2567 |
| Ochem Inc. | 847-596-0856 | | 847-298-5008 |
| Omicron Biochemicals, Inc. | 574-287-6910 | | 574-287-7165 |
| Optima Chemical Group LLC | 912-384-5101 | | 912-384-6330 |
| Organic Technologies | 888-522-2829 | | 740-622-3231 |
| Oxiteno USA LLC | 346.718.6200 | | |
| Pacific Rainbow International Inc. | (888) 331-2310 | (724) 646-2319 | (724) 646-3451 |
| Palmers Chemical Inc. | +1 404-279-0389 | +90 533 648 9757 | |
| Parchem - Fine & Specialty Chemicals | 1-800-282-3982 (Toll Free USA) | 914-654-6800 | 914-654-6899 |
| PCI Synthesis, Inc. | 978-462-5555 | 978-463-4888 | 978-465-2057 |
| Penn A Kem, LLC | 877-895-PENN (7366) | 901-320-4018 | 901-320-4013 |
| Penta Manufacturing Company | (973) 740-2300 | | (973) 740-1839 |
| Pfaltz & Bauer | (203) 574-0075 | | (203) 574-3181 |
| Pfanstiehl, Inc. | 847-623-0370 | | 847-623-9173 |
| Pfizer CentreOne | | | |
| Pharma Resources International LLC | 866-873-2588 X 100 | 973-780-5241 | 866-873-2588 |
| Pharmablock (USA) Inc | 408-735-7571 | | 408-550-1891 |
| PHARMCO-AAPER | 203-740-5035 | 800-243-5360 | 203-740-3481 |
| Phoenix Chemical, Inc. | (908) 707-0232 | | (908) 707-0186 |
| PIDC | 734-930-9292 | | 734-930-9293 |
| Pilot Chemical Company | 1.800.70.PILOT | 513.326.0600 | 513.326.0601 |
| PolyOrg, Inc. | (978) 466-7978 | | (978) 466-8084 |
| PolyPeptide Laboratories Inc. | 800-770-0557 | 310-782-3569 | 310-782-3645 |
| Polysciences, Inc. | 215-343-6484 | 1-800-523-2575 | 800-343-3291 or 215-343-0214
+49-6221-764620 |
| Praxair, Inc. | 1-800-PRAXAIR | | |
| Presperse Corporation | (732) 356-5200 | | |
| Pride Chemical Solutions, Inc. | (631) 758-0200 | | (631) 758-0377 |
| Prinova Group | 630-868-0300 | | 630-868-0310 |
| ProChem, Inc. | 800-795-8788 | | |
| Procter & Gamble Chemicals | (800) 477-8899 | | |
| PROTAMEEN CHEMICALS | 732-322-4429 | | 973.256.6764 |
| Pure chemistry Scientific Inc. | 857-928-2050 | 888-588-9418 | 617-206-9595 |
| PurePEG, LLC | 858-455-9778 | | 858-408-4567 |
| PVS Nolwood Chemicals | 567-204-2269 | 313-921-1200 | 313-921-1378 |
| QualiFine Chemicals, LLC | 630.510.9000 | 224-578-0390 | 630.510.9004 |
| QV Chemicals LLC | 636.489.2021 | | 636.284.2510 |
| R. E. CARROLL, INC. | (609) 695-6211 | | (609) 695-0102 |
| REDOX SCIENTIFIC | | | |
| Regis Technologies, Inc. | 847.967.6000 | | 847.967.5876 |
| Reichhold LLC2 | | | |
| Research Products International Corp. | 800-323-9814 | 847-635-7330 | 847-635-1177 |
| Resolv Corporation | 973-676-5141 | | 973-323-2581 |
| RIA INTERNATIONAL | 973-581-1282 | | 973-581-1283 |
| Ribelin Sales, LLC | 877 RIBELIN (742-3546) | | (877) 474-2354 |
| Richman Chemical, Inc. | 215-628-2946 | | 215-628-4262 |
| Rieke Metals, LLC | (402) 434-2775 | | (402) 434-2777 |
| Rierden Chemical & Trading Company | 847-816-9310 | | 847-816-9334 |
| RightPath Industries | (888) 255-2401 | (724) 313-1151 | (724) 871-0111 |
| Rio Tinto Borates | 303-713-5000 | | |
| Rochem International | 631-738-1188 | | 631-738-1199 |
| RSA Corporation | 203-790-8100 | | 203-790-1709 |
| RT Process | 937-366-6215 | | 877-258-9125 |
| SABIC Innovative Plastics | 413-448-5800 (Americas) | +36 1 238 5060 (Europe) | |
| Sabinsa Corporation | 732-777-1111 | | 732-777-1443 |
| SACHEM Americas | 512-421-4920 | | 512-445-5066 |
| Santa Cruz Biotechnology, Inc. | 831-457-3800 | 800-457-3801 | 831-457-3801 |
| Sarchem Laboratories, Inc. | (732) 938-2777 | | (732) 938-3777 |
| Sasol Performance Chemicals | 281-588-3000 | | |
| Scandinavian Formulas, Inc. | 215-453-2507 | | 215-257-9781 |
| Schülke & Mayr GmbH | +1-888-267-4220 (USA) | +49 40 521 00-0 (Germany) | +1-973-770-7302 |
| SEA-LAND CHEMICAL CO. | 440-871-7887 | | 440-871-7949 |
| Secant Chemicals Inc. | 978-857-1415 | | 480-907-1240 |
| Seidler Chemical Company | (973) 465-1122 | | (973) 465-4469 |
| Sentury Reagents, Inc. | 803-327-6880 | | 803-327-3872 |
| Shin-Etsu Silicones of America | 330.630.9860 ext. 217 | | 330.630.9855 |
| Shrieve Miami Chemical | 305-370-3170 | | 305-397-1630 |
| SI Group, Inc. | 518-347-4200 | | |
| Sibelco North America, Inc. | | | |
| Siegfried (USA), LLC | 856-540-6300 (USA) | +41 62 746 1111 (Switzerland) | |
| Silver Fern Chemical | 1-866-282-3384 | | |
| Skyline Chemical Corporation | 800-732-5871 | 714-290-8866 | 949-653-5836 |
| SkySpring Nanomaterials, Inc. | 281-870-1700 | | 281-870-8002 |
| Soarus LLC | 847-255-1211 | | 847-255-4343 |
| Solutia Inc., a subsidiary of Eastman Chemical Co. | 800-426-2463 | +32.2.746.5134 | |
| Solvay Chemicals, Inc. | 713-525-6500 | 800-SOLVAY-C | 713-525-7805 |
| Solvay Fluorides, LLC | 713-525-6700 | | 713-525-7805 |
| Solvay Novecare | 609-860-4000 | | 609-860-0458 |
| Solvay Special Chem | 609-860-3079 | 609-860-3891 | 609-860-2251 |
| SOLVAY-Technology Solutions: Phosphorus Specialties | 973-357-3100 | | |
| Sonneborn, LLC | 724-756-9582 | | 724-756-9386 |
| Sorbent Technologies, Inc. | (770) 936-0323 | (866) SORBTEC | (770) 936-0326 |
| Southern Chemical & Textiles | 706-277-3993 | | 706-277-2966 |
| Specialty Minerals - Minerals Technologies Inc. | 800-801-1031 | | |
| Spectrum Chemical Mfg. Corp. | 800-772-8786 | 310-516-8000 | 310-516-7512 |
| SPS Alfachem | 973-676-5141 | | 973-323-2581 |
| SST Corporation | 800-222-0921 | 973-473-4300 | 973-473-4326 |
| Stepan Company | 800-745-7837 | (847) 446-7500 | (847) 501-2443 |
| Strahl & Pitsch Inc. | 631-587-9000 | | 631-587-9120 |
| Strem Chemicals, Inc. | (978) 499-1600 | (800) 647-8736 | (978) 465-3104 |
| Suntton | 914-965-2077 | | 914-375-2093 |
| Suven Life Sciences | | | |
| Synalloy Chemicals | 423-476-6518 | | |
| SYNASIA | 732-205-9880 | | 732-205-1788 |
| SynQuest Laboratories, Inc. | 1-877-4-FLUORO | 1-877-435-8676 | (386) 462-7097 |
| Syntec Pharma Corp. | 516-531-6005 | 800-805-1605 | 718-939-4995 |
| Syntech Labs, Inc. | 732-545-8380 | | 732-545-6881 |
| Synthonix, Inc. | 919-875-9277 | 919-875-1982 | 919-875-9601 |
| TCI | 800-423-8616 / 503-283-1681 | | 888-520-1075 / 503-283-1987 |
| Technical Industries Inc. | 401-783-5887 | | 401-789-2270 |
| Technichem, Inc. | 609.654.9300 | | 609.654.9312 |
| Test Company | | | |
| TETRA Technologies, Inc. | 281.367.1983 | 800.327.7817 | 281.298.7150 |
| TH Hilson | 630-665-3085 | 800-665-3087 | 630-665-0196 |
| The Chemical Company | 401.423.3100 | | |
| The Dow Chemical Company | 989-633-1706 | | |
| The Lubrizol Corporation | 216-447-5000 | | |
| The Shepherd Chemical Company | | | |
| Thermo Fisher Scientific | 1-800-766-7000 (Fisher Scientific) | 1-800-343-0660 (Alfa Aesar) | |
| Tiancheng Chempharm Inc. USA | 631-242-2636 | 631-242-2659 | 631-242-2859 |
| TIC Gums | (800) 899-3953 | (410) 273-7300 | (410) 335-4935 |
| Tiger Group | (805) 497-4999 | | (805) 497-2211 |
| TMC Materials, Inc. | 508-770-0076 | | 508-770-0075 |
| TOKU-E Company | 360-734-1789 | 888-71-TOKU-E (86583) | 360-734-0798 |
| Total Specialty Chemicals | 203-966-1525 | | 203-966-1505 |
| TRInternational, Inc. | 206-505-3500 | 800-761-7717 | 206-505-3501 |
| Troy Corporation | (973) 443-4200 | | |
| Tyger Scientific Inc. | 888-329-8990 | 609-434-0144 | 609-434-0143 |
| United States Biological | 800-520-3011 | | 781-639-1768 |
| Univar USA Inc. | 855-888-8648 | 1-331-777-6000 | |
| US PETROCHEMICALS, INC. | 713-871-1951 | | 713-871-1963 |
| US Research Nanomaterials, Inc. | 832-460-3661 | | 281-492-8628 |
| VanDeMark Chemical Inc. | 716-433-6764 | 800-836-8253 | 716-433-2850 |
| Vanderbilt Minerals | 203-295-2140 | | 203-855-1220 |
| Veckridge Chemical Co., Inc. | 973-344-1818 | | 973-690-5936 |
| Venator | +1-281-465-6700 (USA) | + 44 1740 608 001 (UK) | |
| Vertellus Specialties Inc. | 317-248-6540 | 800-777-3536 | 317-248-6402 |
| Vigon International, Inc. | 877-VIGON-39 | 570-476-6300 | 570-476-1110 |
| Vivion, Inc. | (800) 479-0997 | (650) 595-3600 | (650) 595-2094 |
| W.D. SERVICE CO., INC. | 856-931-6100 | 800-366-9326 | 856-931-4505 |
| WACKER BIOSOLUTIONS | 888-922-5374 (USA) | +49 89 6279-1484 (Germany) | 517-264-4068 /
+49 89 6279-2921 |
| WACKER POLYMERS | +1 888-922-5374 (USA) | +49 89 6279-1741 (Europe) | |
| Wacker Silicones | 888-922-5374 | | 517-264-4068 |
| Ward's Science | 800-962-2660 | | 800-635-8439 |
| Watson Industries, Inc. | 909-718-0866 | 888-5WATSON | 909-718-0373 |
| Wego Chemical Group | 516-487-3510 | | 516-487-3794 |
| Welch, Holme & Clark Co., Inc. | 973-465-1200 | | 973-465-7332 |
| Westco Chemicals Inc. | 818.255.3655 | | 818.255.3650 |
| Western Nutrients Corporation | (661) 327-9604 | | (661) 327-1740 |
| WeylChem US Inc. | +1 803 438 4485 | | |
| WholeChem, LLC | | | |
| Wintersun Chemical | 800-930-1688 | 909-930-1688 | 909-947-1788 |
| World Metal, LLC | 877-3Metals | 281-491-7474 | 281-491-7979 |
| Xena International, Inc. | 630-587-2734 | | 630-587-2735 |
| Xttrium Laboratories | 773-268-5800 | | 847-635-9825 |
| Zhong Ya Chemical (USA) Ltd. | (732) 248-1008 | | (732) 248-7676 |
