- K+S MINERALS AND AGRICULTURE GMBHGermany
- Kadmon Corporation, LLCUnited States
- Kahr Medical Ltd.Israel
- KaleoUnited States
- Kaléo Inc.United States
- KALINTIS HEALTHCARE PVT LTDIndia
- KamadaIsrael
- KANEKA CORPJapan
- KANEKA CORPORATION JAPANJapan
- KANEKA EUROGENTEC SABelgium
- KANGLITAI BIOMEDICAL (QINGDAO) CO LTDChina
- Kangmei Pharmaceutical Co., Ltd.China
- KANGYUAN BIOMEDICAL TECH (DALIAN) CO LTDChina
- Karoo Bioscience (Pty) Ltd.South Africa
- Karuna TherapeuticsUnited States
- Karyopharm Therapeutics Inc.United States
- KASHIV BIOSCIENCES LLCUnited States
- KATSURA CHEMICAL CO LTDJapan
- Katsuyama Pharmaceuticals K.k.Japan
- KATWIJK CHEMIE BVNetherlands
- KAWMAN PHARMAIndia
- Kbi BiopharmaUnited States
- Kbio Inc.United Kingdom
- KD PHARMA BEXBACH GMBHGermany
- KD SWISS GMBHSwitzerland
- Kedrion BiopharmaItaly
- KEKULE PHARMA LTDIndia
- Kelemata S.r.l.Italy
- Kelun Lifesciences (pvt) LtdSri Lanka
- Kemwell Biopharma Private LimitedIndia
- Kent PharmaceuticalsUnited Kingdom
- KENVUE BRANDS LLCUnited States
- Kern Pharma, S.L.Spain
- Kern Pharmaceutical InnovationsSpain
- KESHAVA ORGANICS PVT LTDIndia
- KEWPIE CORPJapan
- Keymed Biosciences, Inc.China
- Keystone IndustriesUnited States
- KIKKOMAN BIOCHEMIFA COJapan
- KinapseUnited Kingdom
- KINDEVA DRUG DELIVERY LPUnited Kingdom
- King Pharmaceuticals LLCUnited States
- KINGCHEM LABORATORIES INCUnited States
- Kiniksa Pharmaceuticals, Ltd.United States
- KINOMEGA BIOPHARM INCChina
- Kira PharmaceuticalsUnited States
- Kissei Pharmaceutical Co., Ltd.Japan
- Kisun Pharmaceutical Co., Ltd.China
- Kite Pharma, Inc.United States
- KIYAN PHARMA CO LTDJapan
- Kleva Pharmaceuticals S.a.Greece
- KLINGE CHEMICALS LTDUnited Kingdom
- Klm Laboratories Pvt. Ltd.India
- KOHJIN BIO CO LTDJapan
- Kohlpharma GmbhGermany
- Kolon Life Science, Inc. (코오롱생명과학)South Korea
- KONGO CHEMICAL CO LTDJapan
- Kopran LtdIndia
- KOPRAN RESEARCH LABORATORIES LTDIndia
- Korea United Pharm. Inc.United States
- KOTHARI PHYTOCHEMICALS INTERNATIONALIndia
- Kotra Pharma (M) Sdn BhdMalaysia
- Kowa Pharmaceuticals America, Inc.United States
- Koye Pharmaceuticals Pvt LtdIndia
- KP MANISH GLOBAL INGREDIENTS PVT LTDIndia
- KREATIVE ORGANICS PRIVATE LTDIndia
- KREITCHMAN PET CENTERUnited States
- Kremers Urban Pharmaceuticals Inc.United States
- Kremoint Pharma Private LimitedIndia
- KRINGLE PHARMA INCJapan
- Krka, d. d., Novo mestoSlovenia
- Krka, tovarna zdravil, d. d., Novo mestoSlovenia
- Kroger Specialty PharmacyUnited States
- Krystal Biotech, Inc.United States
- KUMAR ORGANIC PRODUCTS LTDIndia
- KUNMING GUIYAN PHARMACEUTICAL CO LTDChina
- Kura Oncology, Inc.United States
- KurarayJapan
- KUREHA CORPJapan
- KVK Tech, Inc.United States
- Kvp Pharma+veterinär Produkte GmbhGermany
- Kwizda PharmaAustria
- KYFORA BIO LLCUnited States
- Kyowa Hakko Bio Co., Ltd.Japan
- Kyowa Hakko Kirin Co., Ltd.Japan
- Kyowa Kirin Co., Ltd.Japan
- KYOWA PHARMA CHEMICAL CO LTDJapan