• Apichem Chemical Technology Co., Ltd
•   86-137-6120-5405/ 86-21-3762-3285
• View

• APAC Pharmaceutical, LLC
•   +1 (410) 469-0727
• View

• AOKchem Group Limited
•   +86-21-68712331
• View

• AnMar International
•   203-336-8330
• View

• Anilax Chemicals
•   973-822-8141
• View

• ANGUS Chemical Company
•   800-447-4369/ 989-832-1560
• View

• Anderson Development Company
•   517-263-2121 ext. 5232
• View

• AnaSpec, Inc.
•   800-452-5530/ 510-791-9560
• View

• Amsyn Inc.
•   203-329-6500
• View

• AMRESCO Inc.
•   440-349-1313
• View

• Ampac Fine Chemicals LLC
•   800-311-9668
• View

• American Peptide Company, Inc.
•   800-926-8272/ 408-733-7604
• View

• American Laboratories, Inc.
•   402-339-2494
• View

• American Elements
•   310-208-0551
• View

• American Casein Company
•   609-387-3130
• View

• Amazon Forest Inc.
•   973-584-3900
• View

• Alpha Environmental
•   (714) 595-3536
• View

• AllessaChemie GmbH
•   +49 69 4109-2244
• View

• ALLAN CHEMICAL CORPORATION
•   201-592-8122
• View

• Alfa Chem
•   800-375-6869/ 516-504-0059
• View

• Alfa Aesar, a Johnson Matthey Company
•   978-521-6401
• View

• ALCHIMICA
•   +420 220 515541
• View

• Alchem International Limited
•   +91 129 4266000
• View

• Alchemie USA, Inc.
•   860-621-2470
• View

• Alcatraz Chemicals
•   +91 265 2340422/ +91 265 3058820
• View

• Albany Molecular Research, Inc.
•   315-458-3576 x 5151
• View

• Albemarle
•   800-535-3030/ 225-388-7402
• View

• Akzo Nobel Functional Chemicals bv
•   +31 33 4676378
• View

• Aktin Chemicals, Inc.
•   +86-28-85159085
• View

• AK Scientific, Inc.
•   650-938-4849
• View

• AKOR Corp.
•   609-818-9495
• View

• Akaal Organics
•   562-491-5597
• View

• Ajinomoto Specialty Chemical
•   201-292-3180
• View

• Ajinomoto AminoScience LLC
•   800-682-0982/ 919-325-1404
• View

• AJAY NORTH AMERICA, L.L.C.
•   770-943 6202
• View

• Air Products and Chemicals, Inc.
•   (800) 654-4567/ (610) 706-4730
• View

• Air Liquide Industrial U.S. LP
•   800-820-2522/ 713-624-8000
• View

• AIDP, Inc.
•   503-636-7555/ 626-964-6910
• View

• American International Chemical, Inc.
•   800-238-0001
• View

• AFINE CHEMICALS LIMITED
•   +86-571-85134551/ +86-571-85232125
• View

• Aesica Pharmaceuticals Limited
•   +44 (0)1670 590595
• View

• AerChem inc.
•   800.523.0091/ 812.334.9996
• View

• Advanced Technology & Industrial Co., Ltd.
•   (852) 2390 2293/ (852) 2394 5546
• View

• Advanced Synthesis Technologies
•   619-423-7821
• View

• Advanced Compounds International, Inc.
•   (845) 517-0135
• View

• Advance Scientific & Chemical, Inc.
•   (954) 327-0900
• View

• Adesis, Inc.
•   302-323-6305
• View

• Advanced Chemical Intermediates Ltd.
•   +44(0)1840 261451
• View

• ACIC
•   800-265-6727/ 519-751-3668
• View

• Aceto Corp.
•   516-627-6000
• View