Register · API makers
API Manufacturers
Active pharmaceutical ingredient producers, including the Indian and Chinese plants that supply most US generics and rarely appear in Western directories. 1,751 companies, ordered by number of registered sites.
101
Honour Lab Limited
Indiaapi manufacturecdmo
4
sites
96
products
0
patents
102
Organon LLC
Netherlands+3 moreanalysisapi manufacturecdmo
4
sites
92
products
19
patents
103
Emcure Pharmaceuticals Limited
Indiaanalysisapi manufacturecdmo
4
sites
77
products
0
patents
104
Dipharma Francis Srl
Italy+1 moreanalysisapi manufacture
4
sites
72
products
0
patents
105
Apicore US LLC
India+1 moreanalysisapi manufacturelabelling
4
sites
64
products
0
patents
106
HARMAN FINOCHEM LIMITED
Indiaanalysisapi manufacturecdmo
4
sites
55
products
0
patents
107
Gilead Sciences, Inc.
United States+2 moreanalysisapi manufacturecdmo
4
sites
50
products
533
patents
108
HOVIONE FARMACIENCIA, S.A.
United States+3 moreanalysisapi manufacturecdmo
4
sites
47
products
0
patents
109
Vantive US Healthcare LLC
Mexico+3 moreanalysisapi manufacturecdmo
4
sites
47
products
0
patents
110
Pacific Medical Industries Ltd
United States+1 moreanalysisapi manufacturecdmo
4
sites
41
products
0
patents
111
United Therapeutics Corporation
United Statesanalysisapi manufacturecdmo
4
sites
40
products
105
patents
112
Avantor Performance Materials, LLC
United States+2 moreanalysisapi manufacturelabelling
4
sites
33
products
0
patents
113
Jiangsu Hengrui Pharmaceuticals Co., Ltd.Shortage
Chinaanalysisapi manufacturecdmo
4
sites
28
products
0
patents
114
Polypeptide Laboratories Private Ltd
United States+3 moreanalysisapi manufacture
4
sites
20
products
0
patents
115
Centaur Pharmaceuticals Private Limited
India+1 moreanalysisapi manufacturecdmo
4
sites
19
products
0
patents
116
Advanced Pharmaceutical Services, Inc. Dba Affordable Quality Pharmaceuticals
United Statesapi manufacturecdmolabelling
4
sites
18
products
0
patents
117
Esteve Quimica, S.A.
Spainanalysisapi manufacturecdmo
4
sites
18
products
0
patents
118
Shionogi Pharma Co., Ltd.
Japananalysisapi manufacturecdmo
4
sites
17
products
18
patents
119
BrightGene Bio-Medical Technology Co., Ltd.
Chinaanalysisapi manufacturecdmo
4
sites
17
products
0
patents
120
Ajinomoto OmniChem N.V.
Belgium+1 moreanalysisapi manufacture
4
sites
14
products
0
patents
121
Alchem International Private Ltd
United States+1 moreapi manufacturecdmo
4
sites
14
products
0
patents
122
Corden Pharma International GmbH
Germany+2 moreanalysisapi manufacturecdmo
4
sites
14
products
0
patents
123
FDC Limited
Indiaanalysisapi manufacturecdmo
4
sites
13
products
0
patents
124
Flamma USA LLC
Italy+1 moreapi manufacture
4
sites
13
products
0
patents
125
CARBOGEN AMCIS AG
Switzerland+1 moreanalysisapi manufacture
4
sites
12
products
0
patents
126
Arene Life Sciences Private Limited
Indiaapi manufacture
4
sites
6
products
0
patents
127
Advanced Accelerator Applications USA, Inc.
Italy+2 moreanalysisapi manufacturecdmo
4
sites
2
products
18
patents
128
Daewoong Pharmaceutical Co., Ltd.
South Korea+1 moreanalysisapi manufacturecdmo
4
sites
1
products
0
patents
129
Isotopia Molecular Imaging Ltd
Israel+1 moreanalysisapi manufacturecdmo
4
sites
1
products
0
patents
130
Synthon Pharmaceuticals, Inc.
Czechia+3 moreanalysisapi manufacturecdmo
4
sites
1
products
0
patents
131
Wacker Biotech GmbH
Germany+2 moreanalysisapi manufacturecdmo
4
sites
1
products
0
patents
132
ZECO, LLC
United Statesanalysisapi manufacturecdmo
4
sites
1
products
0
patents
133
Alkem Laboratories Limited
Indiaanalysisapi manufacturecdmo
4
sites
0
products
0
patents
134
Argenta US Manufacturing LLC
United States+2 moreanalysisapi manufacturecdmo
4
sites
0
products
0
patents
135
Bimeda, Inc.
China+2 moreanalysisapi manufacturecdmo
4
sites
0
products
0
patents
136
Centrient Pharmaceuticals Netherlands B.V.
Spain+2 moreapi manufacture
4
sites
0
products
0
patents
137
KBI Biopharma, Inc.
United States+1 moreanalysisapi manufacturecdmo
4
sites
0
products
0
patents
138
Oxford Biomedica (UK) Limited
United Kingdom+1 moreanalysisapi manufacturecdmo
4
sites
0
products
0
patents
139
SICOR Societa' Italiana Corticosteroidi s.r.l. ABBREVIATA IN SICOR S.R.L.
Italyanalysisapi manufacture
4
sites
0
products
0
patents
140
Shire Human Genetic Therapies, Inc.
United Statesanalysisapi manufacturecdmo
4
sites
0
products
0
patents
141
International Medication Systems, Ltd.
United Statesanalysisapi manufacturecdmo
3
sites
2,750
products
0
patents
142
Alk-Abello, Inc.
United States+2 moreanalysisapi manufacturecdmo
3
sites
412
products
8
patents
143
Cadila Pharmaceuticals Limited
Indiaanalysisapi manufacturecdmo
3
sites
128
products
0
patents
144
FIS FABBRICA ITALIANA SINTETICI SPA
Italyanalysisapi manufacturecdmo
3
sites
128
products
0
patents
145
Boehringer Ingelheim Biopharmaceuticals China Ltd
Germany+1 moreanalysisapi manufacturecdmo
3
sites
127
products
547
patents
146
ProPharma Distribution, LLC.
United States+1 moreanalysisapi manufacturelabelling
3
sites
100
products
0
patents
147
Zhejiang Huahai Pharmaceutical Technology Co Ltd
Chinaapi manufacturecdmo
3
sites
76
products
0
patents
148
Metrochem API Private Limited
Indiaapi manufacture
3
sites
75
products
0
patents
149
Elementis Specialties (India) Private Limited
United States+2 moreanalysisapi manufacturepackaging
3
sites
69
products
0
patents
150
Endo USA, Inc.
United Statesanalysisapi manufacturecdmo
3
sites
67
products
38
patents
151
Neuland Laboratories Limited
Indiaanalysisapi manufacture
3
sites
65
products
0
patents
152
Croda Europe Ltd.
United Kingdom+1 moreanalysisapi manufacturelabelling
3
sites
51
products
0
patents
153
Biogen International GmbH
United States+1 moreanalysisapi manufacturecdmo
3
sites
50
products
58
patents
154
Xellia Pharmaceuticals ApS
Denmark+2 moreanalysisapi manufacturecdmo
3
sites
50
products
0
patents
155
Adare Pharmaceuticals USA, Inc.
United States+1 moreanalysisapi manufacturecdmo
3
sites
49
products
0
patents
156
Pharmazell (India) Private Limited
India+1 moreapi manufacture
3
sites
48
products
0
patents
157
USV Private Limited
Indiaanalysisapi manufacturecdmo
3
sites
43
products
0
patents
158
Concord Biotech Limited
Indiaanalysisapi manufacturecdmo
3
sites
41
products
0
patents
159
Zhejiang Xianju Pharmaceutical Co., Ltd.
Chinaapi manufacturecdmo
3
sites
38
products
0
patents
160
AARTI PHARMALABS LIMITED
Indiaapi manufacture
3
sites
34
products
0
patents
161
R.L.Fine Chem Private Limited
Indiaapi manufacture
3
sites
34
products
0
patents
162
Curium US LLCShortage
United States+1 moreanalysisapi manufacturecdmo
3
sites
33
products
4
patents
163
DSM Nutritional Products France SAS
United Kingdom+2 moreanalysisapi manufacture
3
sites
30
products
0
patents
164
Regeneron Pharmaceuticals, Inc.
United States+1 moreanalysisapi manufacturecdmo
3
sites
30
products
0
patents
165
Supriya Lifescience Limited
Indiaapi manufacturecdmo
3
sites
30
products
0
patents
166
Kedrion Biopharma Inc.
Italy+1 moreapi manufacturecdmolabelling
3
sites
28
products
0
patents
167
Zhejiang Hisun Pharmaceutical Co., Ltd.
Chinaapi manufacturecdmo
3
sites
27
products
0
patents
168
Malladi Drugs & Pharmaceuticals Limited
Indiaapi manufacture
3
sites
26
products
0
patents
169
Fresenius Kabi iPSUM S.r.l.
Italyanalysisapi manufacturecdmo
3
sites
24
products
0
patents
170
Vasudha Pharma Chem Limited
Indiaapi manufacture
3
sites
22
products
0
patents
171
Fermion Oy
Finlandanalysisapi manufacturelabelling
3
sites
20
products
0
patents
172
PCAS
Franceanalysisapi manufacture
3
sites
20
products
0
patents
173
Merz Pharma GmbH & Co. KGaA
Germany+1 moreanalysisapi manufacturecdmo
3
sites
17
products
6
patents
174
GC Medical Equipment, Inc.
United States+1 moreanalysisapi manufacturecdmo
3
sites
14
products
0
patents
175
Lee Pharma Limited
Indiaanalysisapi manufacturecdmo
3
sites
14
products
0
patents
176
Pure and Cure Healthcare Private Limited
Indiaanalysisapi manufacture
3
sites
14
products
0
patents
177
Chugai Pharmaceutical Co., Ltd.
Japananalysisapi manufacturecdmo
3
sites
13
products
0
patents
178
Mankind Pharma Limited
Indiaanalysisapi manufacturecdmo
3
sites
13
products
0
patents
179
Pierre Fabre Pharmaceuticals, Inc.
France+1 moreanalysisapi manufacturecdmo
3
sites
13
products
0
patents
180
Arch Pharmalabs Limited
Indiaapi manufacture
3
sites
12
products
0
patents
181
Daiichi Sankyo Europe GmbH
Japan+1 moreanalysisapi manufacturecdmo
3
sites
11
products
52
patents
182
Apex Healthcare Limited
India+1 moreapi manufacturecdmolabelling
3
sites
11
products
0
patents
183
Gedeon Richter Plc.
Hungaryanalysisapi manufacturecdmo
3
sites
11
products
0
patents
184
Morepen Laboratories Limited
Indiaanalysisapi manufacturecdmo
3
sites
11
products
0
patents
185
Alexion Pharmaceuticals, Inc.
Ireland+1 moreanalysisapi manufacturecdmo
3
sites
10
products
4
patents
186
Bavarian Nordic A/S
Germany+2 moreanalysisapi manufacturecdmo
3
sites
10
products
0
patents
187
Jazz Pharmaceuticals Operations UK Limited
Ireland+1 moreanalysisapi manufacturecdmo
3
sites
9
products
58
patents
188
Scientific Protein Laboratories LLC
United Statesanalysisapi manufacture
3
sites
9
products
0
patents
189
Sumitomo Chemical Company, Limited
Japananalysisapi manufacture
3
sites
8
products
0
patents
190
Valens Molecules Private Limited
Indiaapi manufacture
3
sites
8
products
0
patents
191
Anthem Biosciences Limited
Indiaanalysisapi manufacturecdmo
3
sites
7
products
0
patents
192
Kindeva Drug Delivery L.P.
United States+1 moreanalysisapi manufacturecdmo
3
sites
7
products
0
patents
193
Kumar Organic Products Limited
Indiaapi manufacture
3
sites
6
products
0
patents
194
FARMSON BASIC DRUGS PRIVATE LIMITED
Indiaapi manufacture
3
sites
5
products
0
patents
195
Sai Life Sciences Limited
Indiaanalysisapi manufacture
3
sites
5
products
0
patents
196
Viwit Pharmaceutical Co., Ltd.
Chinaanalysisapi manufacturecdmo
3
sites
5
products
0
patents
197
Aragen Life Sciences Limited
Indiaanalysisapi manufacturecdmo
3
sites
4
products
0
patents
198
Nanjing King-Friend Biochemical Pharmaceutical Co., Ltd
Chinaanalysisapi manufacturecdmo
3
sites
4
products
0
patents
199
Sri Krishna Pharmaceuticals Limited
Indiaapi manufacture
3
sites
3
products
0
patents
200
Pharmaron Manufacturing Services (UK) Limited
United States+2 moreanalysisapi manufacturecdmo
3
sites
2
products
0
patents
Provenance
Membership of this category is derived from the operations each establishment is registered for in the FDA Drug Establishments Current Registration Site, not from how a company describes itself. A company appears here because at least one of its sites carries the corresponding registered operation. Nobody can pay to be added.