- I-Strategic LLC
- iCES Corporation
- Icon Material Handling LLC
- ICON Medical Network LLC
- IconLogic, Inc.
- IdeaLearning Group, LLC
- Identity Strategy Partners, LLC
- ieComfort, LLC
- iLAB, LLC
- ILES Medical Testing, LLC
- Image Data, Inc.
- IMPACT Paradigm Associates, LLC
- Impact Resources, Inc
- Inalab Consulting, Inc
- Incompass Realty, LLC
- Indian River Solutions, LLC
- Industrial Fabrication Resources, Inc.
- Infinite Quest Cabinetry Corp
- Infinium Insights Inc.
- Informatics Studio Inc
- Information Discovery Services, LLC
- Infostructure Specialists, LLC
- InGenious Logistics LLC
- Ingenium Consulting, LLC
- Inland Empire Components, Inc.
- Innovae Group, LLC
- Innovative Advanced Solutions, LLC
- Innovative Cyber Solutions, Inc.
- Innovative Legal Solutions, Inc.
- Innovative Industrial Solutions Inc.
- Innovative Management Concepts Inc
- Innovative Networking Technology, Inc.
- Innovative Performance Construction Company, LLC
- Innovision, LLC
- InQwest Inc.
- Inside Outsourcing LLC
- INSMILES LLC
- Inspec, Inc.
- Inspiration Global, LLC
- Integra Cornerstone Group, LLC
- Integral Media, Inc.
- Integrated Solutions and Services Inc
- Integritas Solutions, LLC
- Integrity Consulting Services, LLC
- IntegrityPro Consulting, LLC
- IntelliGenesis LLC
- Intelligent Solutions Corporation
- IntelliPeak Solutions, Inc.
- INTELLIWORX
- Intellizant LLC
- Intention Labs LLC
- Interactive Advocacy LLC
- Interim Homes, Inc.
- Interior Plus Inc
- Interiors By Glo, Inc.
- International Information And Infrastructure Protection Group, LLC
- International Mechanical Services, Inc.
- International Millennium Consultants, Inc.
- International Resource Management Enterprises, LLC
- Internet Solutions LLC
- InterNetwork Consulting Services, LLC
- Interstuhl USA, Inc.
- Intraworks Inc
- Intrinsic Systems LLC
- InVision Source
- ION Business Strategies LLC
- iOn Reliability Training and Consulting LLC
- IP Network Solutions, Inc.
- IPS Cranes, Inc.
- Iron Shield Tactical, LLC
- Isaiah 58 LLC
- iSight Solutions LLC
- ISS Action, Inc.