Full List of API Manufacturers in USA (2025)

Pfizer CentreOne

R&D:
1 Burtt Rd, Andover,
MA 01810, United States
Phone: +1 978-475-9214

Heparin Active Pharmaceutical Ingredient (API):
160 Industrial Dr, Franklin,
OH 45005, United States
Phone: +1 937-746-3603

Active Pharmaceutical Ingredient (API):
7000 Portage Rd, Portage,
MI 49002, United States
Phone: +1 269-833-4000

Vaccines, Antibiotics, and Oncology Medicines:
PGS Pearl River, NY
401 N Middletown Rd, Pearl River,
NY 10965, United States
Phone: +1 845-602-5000

Manufacture of Biologics:
PGS Middleton, WI
2232 N Pleasant View Rd, Middleton,
WI 53562, United States
Phone: +1 608-836-3500

Sterile Injectable Medicines:
PGS McPherson, KS
1776 Centennial Dr, McPherson,
KS 67460, United States
Phone: +1 620-241-6200

Penicillin Manufacturing:
PGS Rochester, MI
1200 Parkdale Rd, Rochester,
MI 48307, United States
Phone: +1 248-650-6400

Vaccines Intermediates and Drug Substance, and Gene Therapy:
PGS Sanford, NC
3316 Hawkins Ave, Sanford,
NC 27330, United States
Phone: +1 800-879-3477

Sterile Injectables:
PGS Rocky Mount, NC
4285 N Wesleyan Blvd, Rocky Mount,
NC 27804, United States
Phone: +1 252-977-5111

Web: https://www.pfizer.com

Pharm-Rx Chemical Corporation

299 Market Street, Suite 410
Saddle Brook, NJ 07663

Phone: 973-917-1400
Fax: 973-917-1440
https://www.pharm-rxchem.com

PharmaBlock (USA), Inc.

West Chester, PA, USA
Hatfield, PA, USA
Tel: +1-877 878 5226 / 267 649 7271

Sunnyvale, CA, USA
Tel: +1-408 735 7571 / 408 921 9969
Fax: +1-267 222 7551
E-mail: salesusa@pharmablock.com
https://www.pharmablock.com

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PharmaIN

11812 North Creek Parkway N,
Suite #101, Bothell, WA 98011

Tel: 206.568.1450
Email: contactUs@pharmain.com
https://pharmain.com/

Pharmaron

498 Washington Street, Coventry,
Rhode Island, 02816,
United States

Web: https://www.pharmaron.com

Pharmore Ingredients

912 W. Baxter Dr.
Suite 140
South Jordan, UT 84095

Email: info@pharmore.com
Tel: 801-446-8188
https://www.pharmore.com

Pine Pharmaceuticals

355 Riverwalk Parkway
Tonawanda, NY 14150

Email: sales@pinepharmaceuticals.com
Phone: 844.218.4138
Fax: 716.768.3948
https://pinepharmaceuticals.com

Piramal Critical Care (PCC)

3950 Schelden Circle
Bethlehem, PA 18017

Tel: +1-800-414-1901
https://www.piramalcriticalcare.us

Piramal Pharma Solutions

18655 Krause St, Riverview,
MI 48193, United States

Phone: +1 734-282-3370
https://www.piramalpharmasolutions.com

Pisgah Laboratories Inc. (Onyx Scientific Limited)

3222 Old Hendersonville Hwy,
Pisgah Forest, NC 28768,
United States

Phone: +1 828-884-2789
https://www.pisgahlabs.com/

Procter & Gamble Company

1 P&G Plaza Cincinnati,
OH 45202

Tel: 1-513-983-1100
https://us.pg.com

Professional Compounding Centers of America

9901 Wilcrest Dr, Houston,
TX 77099, United States

Phone: +1 800-331-2498
https://www.pccarx.com/

Protheragen

101-4 Colin Dr,
Holbrook, NY 11741, USA.

Tel: +1-631-260-7862
E-mail: info@protheragen.ai
https://www.protheragen.ai

Purisys LLC

1550 Olympic Drive
Athens, GA 30601

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Phone: +1 706-286-8263
https://purisys.com

Regis Technologies, Inc.

8210 Austin Avenue
Morton Grove, IL 60053

Tel: (847) 967-6000
Email: cservice@registech.com
https://www.registech.com

Sandhill One

West Palm Beach,
FL, USA

Web: https://www.sandhillone.com/

Scientific Protein Laboratories

700 E. Main Street
Waunakee, WI 53597

Tel: (608) 849-5944
Toll-free: 800.334.4775
https://www.splpharma.com/

Sensient Technologies Corporation

Flavors & Extracts Group
Headquarters
2800 West Higgins Road, Suite 900
Hoffman Estates, IL 60169 USA

Phone: +1 847-755-5300
https://www.sensient.com

BioNutrients:
5115 Sedge Blvd.
Hoffman Estates, IL
60192
USA

Customer Service Phone: +1 888 200 9211
Tel: +1 847-645-7000
Fax: +1 847-645-7395
www.sensientbionutrients.com/

SI Group

1790 Hughes Landing Blvd., Suite 600
The Woodlands, TX 77380, U.S.A.

Tel: +1 518.347.4200
https://siigroup.com/

Siegfried USA, LLC

Active pharmaceutical ingredients (API) and intermediates:
33 Industrial Park Road
Pennsville, NJ 08070
USA
Tel: +1 856 678 3601
Email: info@siegfried-usa.com

Sterile and aseptic filling of large and small molecules:
9342 Jeronimo Road
Irvine, CA 92618
USA
Tel: +1 949 768 4690
Email: info@siegfried-amp.com

Early-phase development and manufacturing:
870 Badger Circle
Grafton, WI 53024
USA
Tel: +1 262-376-1467
Email: info@siegfried.ch

Web: https://www.siegfried.ch/