- Cachet
- Cadell
- Cadila
- Cadila (Alidac Fortiza)
- Cadila (Generic)
- Cadila (Genstar)
- Cadila (Genvista)
- Cadila (IRM Pharma)
- Cadila (Le Sante)
- Cadila (Newgen)
- Cadila (Oncocare)
- Cadila (Vibra)
- Cadila (Zeita)
- Cadila HC
- Cadomed
- Caldern
- Calibar
- Calix
- Calren Care LS
- Candor
- Candor (Aileron)
- Candor (Edric)
- Canixa
- Capital Pharma
- Caplet
- Capri Pharma
- Captab
- Care Benzorganics
- Care Organics
- Care Pharma
- Caris Labs
- Carise Pharma
- Carnation Pharmtech
- Carrel Pharma
- Caryota
- Casca
- Casca (Sanes)
- CE-Biotec
- Cedna Biotech
- Celagenex Research
- Celera Pharma
- Cellgen Biopharma
- Celon
- Celon (Evalife)
- Celon (Healon)
- Celon (Pristilon)
- Celon (Revilon)
- Celon (Vivilon)
- Cenesys Care
- Centaur
- Centaur (Praggya)
- Centaur (Samruddhi)
- Centaur (Sankalp)
- Centaur (Shashvatam)
- Central Drugs
- Century Life Science
- CFL (Cosme Medicare)
- Chandra Bhagat Pharma
- Charak
- Charan Labs
- Chemage
- Chemech
- Chemo
- Chemo Biological
- Chemo Healthcare
- Chethana Pharma
- Chiron Behring
- Chiron Panacea
- Choroid Labs
- CHPL
- Ciaga
- Cian HealthCare
- Cinerea
- Cipla
- Cipla (Critical Care)
- Cipla (Foresight)
- Cipla (Omnicare)
- Cipla (Oncocare)
- Cipla (Protec)
- Cipla (Respiratory)
- Cipla (Spectracare)
- Cipla (Vitalis)
- Cipla (Xterna)
- Circadian Pharma
- Citadel
- Clariant Pharma
- Claribel
- Claris
- Claro Pharma
- Clox Pharma
- CMGBT
- Cnx Health Care
- Cogniprey Pharma
- Cognitive Life Sciences
- Cognyzon Pharmaceuticals
- Colinz
- Cologenesis
- Combat
- Comed
- Commonwealth
- Concept
- Concertina
- Concord
- Concur Pharma
- Consern
- Constant
- Converge Biotech
- Corazon
- Core Gestra
- Corona
- Corona (Aarush)
- Corona (Pioneer)
- Corona (Wellness)
- Corona (Xmex)
- Cosmas
- Cosmederma Remedies
- Cosset
- Coxswain Health Care
- Cratus
- Crepis Pharma
- Crescent
- Criticare
- Cronus
- Cross Berry
- Cruise
- Crystal Variety
- CSR Lifesciences
- Cubit
- Cubit (Cucard)
- Culmen Healthcare
- Curacell
- Curatio
- Curax Pharma
- Cure & Care
- Cure Quick
- Curewell
- Curex
- Curis
- Curosis
- Cutigen
- Cyno Pharma
- Cytochrome
- Cytogen
- Cytoz pharmaceuticals