- Red Book Companion
- Red Canoe Credit Union
- Red Card Dialer
- Red Cloud Mobile
- Red Delivery
- Red Door - Find and apply for restaurant jobs
- Red Dot (Cymru) Ltd
- MySpot Driver
- Workrede
- Red Exim
- Red Flag STM App
- Red Hat Events
- Red Hat Summit Connects
- Red Models NYC
- Red Oak Design Studio
- Red Onion
- Red Parrot Recruitment
- Red Pepper 3 In 1
- Red Parrot Recruitment
- Red Pepper 3 In 1
- Red Pepper 3 in 1 Shotts
- Red Pepper Takeaway
- Red Phone Booth
- Red Phone Events
- Red Power Team (Case IH)
- Red Rabbit Tattoo
- Red Rabbit Xpress Agent
- Red Rabbit Xpress Delivery
- Red River State Bank
- Red Rocks CU
- Red Roof Vet
- Red Sea Week
- Red Seal Cook Self-Paced
- Red Sistem
- Red Star Coffee Rewards