| Inchcape Shipping Services Dubai LLC | 5 | $535K | Department of the Navy |
| inContact, Inc | 204 | $149K | Texas DIR |
| Incredible Supply LLC | 3 | $48K | Department of the Navy |
| Indal Technologies Inc. | 4 | $126K | Department of the Navy |
| Independent Arts & Media | 18 | $975K | San Francisco |
| Independent Hardware Inc | 33 | $147K | Federal Acquisition Service |
| Independent Living Solutions | 6 | $2.5M | City of Chicago |
| Independent Rough Terrain Center LLC | 40 | $376K | Defense Logistics Agency |
| Indev LLC | 7 | $5.7M | Transportation Security Administration |
| Index Analytics LLC | 7 | $106M | Centers for Medicare and Medicaid Services |
| Indi Enterprise Inc | 9 | $2.9M | Cook County |
| India Home Inc | 6 | $2.7M | New York City |
| Indiana Furniture Industries | 6 | $89K | State of Delaware |
| Indiana Oxygen Company Inc | 5 | $34K | Department of the Navy |
| Indica Labs, LLC | 3 | $5.3M | National Institutes of Health |
| Indotronix International Corporation | 5 | $1.9M | Texas DIR |
| Indra Air Traffic, Inc. | 5 | $1.9M | Department of the Air Force |
| Indus Precision Mfg., Inc | 4 | $151K | Defense Logistics Agency |
| Industrial Automation Inc | 4 | $414K | Department of the Navy |
| Industrial Cleaning Systems Inc | 7 | $17K | Department of the Navy |
| Industrial Council of NW Comn | 4 | $574K | City of Chicago |
| Industrial Economics Inc | 9 | $3.3M | National Oceanic and Atmospheric Administration |
| Industrial Electric | 4 | $966 | City of Los Angeles Controller |
| Industrial Electric Motor Service Inc | 4 | $27K | City-Parish of Baton Rouge |
| Industrial Electrical and Technical Services Inc (Iets) | 4 | $145K | NY State Authorities |
| Industrial Knife Co Inc | 11 | $150K | Bureau of Engraving and Printing |
| Industrial Metal Sales LLC | 5 | $302K | Department of the Army |
| Industrial/Organizational Solution Inc | 3 | $948K | MTA Procurements |
| Industrial Process Measurement Inc | 6 | $731K | MTA Procurements |
| Industrial Roofing & Construction LLC | 124 | $400K | City-Parish of Baton Rouge |
| Industrial Screw & Supply Co Inc | 52 | $6K | City-Parish of Baton Rouge |
| Industrial Staffing Services Inc | 3 | $4.0M | New York City |
| Industrial Strength Industries LLC | 17 | $6.0M | New York City |
| Industrial U.s.a., Inc. | 3 | $63K | MTA Procurements |
| Industrial Welding & Engineering Co. | 3 | $16K | Defense Logistics Agency |
| Industries for the Blind and Visually Impaired, Inc. | 16 | $9.1M | Defense Logistics Agency |
| Industries of the Blind Inc | 4 | $45M | Defense Logistics Agency |
| Industrious National Management Co LLC | 4 | $44K | City of Los Angeles Controller |
| Industry Railway Suppliers Inc | 16 | $958K | MTA Procurements |
| Indy Interpreting Inc | 3 | $2K | Department of the Army |
| Infant Welfare Society of Chicago | 3 | $1.2M | City of Chicago |
| Infinite Electronics International, Inc | 3 | $70K | Defense Logistics Agency |
| Infinite Peripherals Inc | 8 | $3.3M | MTA Procurements |
| Infinity Contracting Services Corp | 13 | $216M | MTA Procurements |
| Infinity Fabrication, Inc. | 7 | $61K | Defense Logistics Agency |
| Infinity Precision Inc | 7 | $96K | Defense Logistics Agency |
| Inflation Systems, Inc. | 3 | $706K | Defense Logistics Agency |
| Infleqtion Quantum, LLC | 4 | $14M | Defense Advanced Research Projects Agency |
| Inflight Medical Services International, Inc. | 4 | $103K | Federal Prison System / Bureau of Prisons |
| InFo People Corporation | 9 | $3.5M | New York City |
| Info-Tech Research Group Inc | 21 | $15M | Oregon State Treasury |
| Infojini, Inc | 35 | $12M | Texas DIR |
| InfoPeople Corporation | 40 | $57M | New York City |
| Infor Public Sector Inc | 3 | $28M | City of Chicago |
| Infor (US) LLC | 6 | $2.7M | NY State Authorities |
| Information Management Solutions LLC | 4 | $4K | City-Parish of Baton Rouge |
| Information Systems Laboratories, Inc. | 6 | $3.5M | Nuclear Regulatory Commission |
| Information Technology Senior Management Forum (ITSMF) | 3 | $3K | Oregon State Treasury |
| Infosend, Inc. | 8 | $205K | City of Mesquite |
| Infostride, Inc. | 6 | $103K | Texas DIR |
| Infotran Engineers and Architects PC | 9 | $7.0M | MTA Procurements |
| Infotrend Incorporated | 3 | $11M | Securities and Exchange Commission |
| Infrastructure Engineering Inc | 15 | $80M | City of Chicago |
| Infura Medikal Plastik Sanayi Dis Ticaret Limited Sirketi | 3 | $4K | Defense Logistics Agency |
| Ingram Industries Inc | 19 | $409K | City of Los Angeles Controller |
| Ingram Library Services, Inc | 63 | $3.6M | City of Mesquite |
| Initech Industrial LLC | 3 | $1.3M | MTA Procurements |
| Initiating Change in Our Neighborhoods Community Development | 3 | $326K | City of Los Angeles Controller |
| Inland Dredging Company, L.l.c. | 9 | $70M | Department of the Army |
| Inland Industrial Tire | 4 | $35K | San Francisco |
| Inland Truck Parts Co. | 11 | $14K | City of Mesquite |
| Inliner Solutions LLC | 5 | $28M | City of Chicago |
| Inmarsat Government, Inc. | 17 | $43M | Department of the Air Force |
| Inner-City Muslim Action | 14 | $3.1M | City of Chicago |
| Inner Voice Inc. | 16 | $2.4M | City of Chicago |
| InnoActive Group, LLC | 5 | $1.4M | San Francisco |
| Innoflight, LLC | 3 | $3.5M | Department of the Air Force |
| Innomotics LLC | 3 | $1.6M | City of Richmond |
| Innova NW | 3 | $14K | Oregon State Treasury |
| Innovasea Marine Systems Canada Inc | 3 | $373K | U.S. Geological Survey |
| Innovation Event Management, LP | 8 | $990K | TCEQ |
| Innovative Construction & Management Co, Inc. | 11 | $11M | New York City |
| Innovative Construction and Mgmt Co Inc | 3 | $2.2M | MTA Procurements |
| Innovative Solutions and Products Inc. | 5 | $285K | MTA Procurements |
| Innovative Solutions & Support Inc | 5 | $404K | Department of the Navy |
| Innovators Transportation LLC | 3 | $163K | Department of Veterans Affairs |
| Innovatus Technology Consulting | 5 | $2.0M | Department of the Navy |
| Innovee Consulting LLC | 17 | $4.4M | New York City |
| Innovize Solutions LLC | 6 | $197K | Department of the Navy |
| Ino Therapeutics LLC | 5 | $6.4M | Defense Health Agency |
| Inova Health Care Services | 3 | $235K | Defense Health Agency |
| Inovalon Provider, Inc | 3 | $416K | Indian Health Service |
| INRIX, Inc. | 3 | $10M | New York City |
| Inserts & Kits, Inc. | 6 | $15K | Defense Logistics Agency |
| Insight Global, LLC dba Delaware Insight Global, LLC | 22 | $70K | Texas DIR |
| Insight Policy Research, Inc. | 5 | $31M | Centers for Medicare and Medicaid Services |
| Insight Public Sector Inc | 182 | $113M | City of Los Angeles Controller |
| Insignia Shipping Services Ltd | 5 | $136K | Department of the Navy |
| Insituform Technologies LLC | 7 | $5.4M | City of Mesquite |
| Insparisk, LLC | 10 | $3.7M | New York City |