- R Busseau LLC
- R. T. London Company
- R&K Cyber Solutions LLC
- R2O Consulting LLC
- Radbit Computers, Inc.
- Radian Solutions, LLC
- Radiation Emergency Services, LLC
- Radus Software LLC
- RAFI Architecture and Design
- Ramaanchar Technologies, Inc.
- Ravyn Systems, LLC
- Real Cool Productions, Inc.
- Really-Virtual Consulting, LLC
- Realtime Technical Solutions, LLC
- Rebus Industries, LLC
- Recruiting Resources International
- Red Box Direct, Inc.
- Red White Blue CPR LLC
- Redbud Global Services, Inc
- Redi Solutions LLC
- Reithorp Solutions LLC
- Renewable Envoy, LLC
- Reprographic Products Group, Inc.
- Republic Pharmaceuticals, LLC
- ResearchFirst, Inc.
- Resolute Mediation and Arbitration INC
- Resolute Technologies LLC
- Retriever Services LLC
- Rhudy & Co. Strategic Communications, Inc.
- Ridgetop Group, Inc.
- Rigging Box Inc.
- Right Angle Advisors, Inc.
- Rigil Corporation
- Rimpsey Enterprises LLC
- Rising 3 IT Corp
- Riston Financial Service Group, LLC
- Ritch Electric Co., Inc.
- River Town Electric, LLC
- RJ Promotions Inc
- RJ’s Disposal Service Inc
- RL Supply Inc [DBA MF Supply]
- Robert & Company
- Robert Caswell Investigations Inc.
- Roberts Communications Consulting, LLC
- Rock Creek Productions, Inc.
- Rockhouse Consulting LLP
- Rocking W Services LLC
- Rowe Contracting Service, Inc
- Royal Merchant
- RRJ Cybersecurity Solutions, LLC
- RS Management Consultants, Inc.
- RSM Geospatial, Inc.
- RST Consulting Services LLC
- RTW Xxact Enterprises LLC
- Rushin Global, LLC [DBA Imperial Insurance and Financial Solutions]
- Ruzow Graphics, Inc.
- RWM, Inc