Opioid Antagonist, Partial Opioid Agonist

Where is Buprenorphine and Naloxone made?

19 companies sell it under their own name and 12 repackagers rebottle it. Their labels name 17 factories in the United States, the United Kingdom, India and Switzerland.

United States 11United Kingdom 3India 2Switzerland 1
United States: 11United Kingdom: 3India: 2Switzerland: 1

Companies and their factories

Company on the labelFactoryWhereLast FDA inspection
Indivior Inc. Suboxone1 mg / 4 mg, 2 mg / 0.5 mg, 2 mg / 8 mg, 3 mg / 12 mg · NDC 12496-1204, 12496-1202, 12496-1208 +1 Aquestive TherapeuticsMakes it, tests it and packages it Portage, IN, United StatesProblems found, fixed voluntarilyJan 2025
INDIVIOR UK LimitedMakes the active ingredient and tests it Hull, United KingdomProblems found, fixed voluntarilySep 2021
Macfarlan Smith LimitedMakes the active ingredient Edinburgh, United KingdomProblems found, fixed voluntarilyNov 2021
Siegfried AGMakes the active ingredient and tests it Zofingen, SwitzerlandProblems found, fixed voluntarilyFeb 2025
SpecGx LLCMakes the active ingredient and tests it St. Louis, MO, United StatesProblems found, fixed voluntarilyOct 2025
Veranova, L.P.Makes the active ingredient West Deptford, NJ, United StatesProblems found, fixed voluntarilyJan 2026
Dr. Reddy's Laboratories Inc.1 mg / 4 mg, 2 mg / 0.5 mg, 2 mg / 8 mg, 3 mg / 12 mg · NDC 43598-580, 43598-579, 43598-582 +1 LTS Lohmann Therapy Systems Corp.Makes it and tests it West Caldwell, NJ, United StatesNo problems foundFeb 2024
Pharmaron Manufacturing Services (UK) LimitedMakes the active ingredient Cramlington, United KingdomProblems found, fixed voluntarilyFeb 2022
Rhodes Pharmaceuticals L.P.2 mg / 0.5 mg, 2 mg / 8 mg · NDC 42858-601, 42858-602 Halo Pharmaceutical IncMakes it Whippany, NJ, United StatesNo problems foundDec 2025
Knoa Pharmaceuticals LLCMakes it Wilson, NC, United StatesProblems found, fixed voluntarilySep 2025
Accord Healthcare Inc.2 mg / 0.5 mg, 2 mg / 8 mg · NDC 16729-549, 16729-550 Wes Pharma IncMakes it Westminster, MD, United StatesProblems found, fixed voluntarilyNov 2025
Ascend Laboratories, LLC2 mg / 0.5 mg, 2 mg / 8 mg · NDC 67877-607, 67877-606 Alkem Laboratories LimitedMakes it, tests it and packages it Amaliya Daman, IndiaNo problems foundAug 2019
Aveva Drug Delivery Systems Inc.1 mg / 4 mg, 2 mg / 0.5 mg, 2 mg / 8 mg, 3 mg / 12 mg · NDC 3215-6522, 3215-6521, 3215-6523 +1 Aveva Drug Delivery Systems Inc.Makes it and tests it Miramar, FL, United StatesProblems found, fixed voluntarilyAug 2026
Camber Pharmaceuticals Inc.1 mg / 4 mg, 2 mg / 0.5 mg, 2 mg / 8 mg, 3 mg / 12 mg · NDC 31722-480, 31722-850, 31722-479 +3 Ascent Pharmaceuticals IncMakes it, tests it and packages it Central Islip, NY, United StatesProblems found, fixed voluntarilyAug 2024
Caraco Pharmaceutical Laboratories, Ltd.2 mg / 0.5 mg, 2 mg / 8 mg · NDC 62756-969, 62756-970 Sun Pharmaceutical Industries LimitedMakes it and tests it Dadra, IndiaProblems found, fixed voluntarilyMar 2019
Hikma Pharmaceuticals USA Inc.2 mg / 0.5 mg, 2 mg / 8 mg · NDC 0054-0188, 0054-0189 West-Ward Columbus Inc.Makes it Columbus, OH, United StatesNo problems foundApr 2026
Ingenus Pharmaceuticals, LLC1 mg / 4 mg, 2 mg / 0.5 mg, 2 mg / 8 mg, 3 mg / 12 mg · NDC 50742-398, 50742-397, 50742-364 +1 Aveva Drug Delivery Systems Inc.Makes it and tests it Miramar, FL, United StatesProblems found, fixed voluntarilyAug 2026
Lannett Company, Inc.2 mg / 0.5 mg, 2 mg / 8 mg · NDC 62175-452, 62175-458 Lannett Company, LLCMakes it, tests it, packages it and labels it Seymour, IN, United StatesProblems found, fixed voluntarilyOct 2022
Actavis Pharma, Inc.2 mg / 0.5 mg, 2 mg / 8 mg · NDC 0228-3154, 0228-3155The label doesn't name the factory. Plants this company names for other drugs
Alvogen Inc.1 mg / 4 mg, 2 mg / 0.5 mg, 2 mg / 8 mg, 3 mg / 12 mg · NDC 47781-356, 47781-355, 47781-357 +1The label doesn't name the factory. Plants this company names for other drugs
Amneal Pharmaceuticals2 mg / 0.5 mg, 2 mg / 8 mg · NDC 65162-416, 65162-415The label doesn't name the factory. Plants this company names for other drugs
Edenbridge Pharmaceuticals LLC. Zubsolv0.7 mg / 0.18 mg, 1.4 mg / 0.36 mg, 1.4 mg / 5.7 mg, 2.1 mg / 8.6 mg, 2.9 mg / 0.71 mg, 2.9 mg / 11.4 mg · NDC 82111-201, 82111-202, 82111-204 +3The label doesn't name the factory. Plants this company names for other drugs
Mylan Pharmaceuticals Inc.1 mg / 4 mg, 2 mg / 0.5 mg, 2 mg / 8 mg, 3 mg / 12 mg · NDC 0378-8766, 0378-8765, 0378-8767 +1The label doesn't name the factory. Plants this company names for other drugs
Orexo US, Inc. Zubsolv0.7 mg / 0.18 mg, 1.4 mg / 0.36 mg, 1.4 mg / 5.7 mg, 2.1 mg / 8.6 mg, 2.9 mg / 0.71 mg, 2.9 mg / 11.4 mg · NDC 54123-907, 54123-914, 54123-957 +3The label doesn't name the factory. Plants this company names for other drugs
Pharmaceutical Associates, Inc.2 mg / 0.5 mg, 2 mg / 8 mg · NDC 0121-1018, 0121-2036The label doesn't name the factory. Plants this company names for other drugs
SpecGx LLC2 mg / 0.5 mg, 2 mg / 8 mg · NDC 0406-8005, 0406-8020The label doesn't name the factory. Plants this company names for other drugs

Repackaged by

These companies buy Buprenorphine and Naloxone in bulk and rebottle it, often for mail-order, clinic or hospital pharmacies. If your bottle shows one of these names, open its NDC to see who made the pills inside.

Recalls

Class I recalls are the most serious; Class III the least. A recall covers specific lots, listed on each recall.