| iSpicefoods, LLC. AL | Manufacturing | 0 | — | A |
| iSpot.tv, Inc. NY | Professional & Technical Services | 2 | $136,464 | — |
| iSpot.tv, Inc. WA | Professional & Technical Services | 2 | $188,868 | — |
| ISQUAREINFO LLC NJ | Professional & Technical Services | 2 | $80,000 | — |
| ISR INFO WAY, INC. WI | Professional & Technical Services | 17 | $111,781 | — |
| ISS Action - Tucson AZ | — | 0 | — | — |
| ISS Action - Yuma AZ | — | 0 | — | — |
| ISS Action, Inc. TX | — | 0 | — | — |
| ISS Facility Services MO | — | 0 | — | — |
| ISS Facility Services Inc. TX | Administrative & Waste Services | 0 | — | C |
| ISS, Inc. IL | Manufacturing | 0 | — | A |
| ISSACTION AR | Administrative & Waste Services | 0 | — | F |
| ISSACTION CA | Administrative & Waste Services | 0 | — | B |
| ISSACTION DC | Administrative & Waste Services | 0 | — | A |
| ISSACTION NC | Administrative & Waste Services | 0 | — | D |
| ISSACTION NY | Administrative & Waste Services | 0 | — | A |
| ISSACTION TX | Administrative & Waste Services | 0 | — | F |
| ISSACTION VA | Administrative & Waste Services | 0 | — | B |
| Issam Tina Solutions, Inc. GA | Professional & Technical Services | 3 | $165,667 | — |
| Issaquah Pest & Home Services WA | Administrative & Waste Services | 0 | — | F |
| ISSC INC OR | Wholesale Trade | 0 | — | F |
| ISSC INC WA | Wholesale Trade | 0 | — | F |
| ISSC INC DBA SEAPORT STEEL WA | Wholesale Trade | 0 | — | F |
| ISSCO INC MO | Wholesale Trade | 0 | — | A |
| ISSCO INC dba BTM MANUFACTURING MO | Manufacturing | 0 | — | A |
| Issi Henry Mayo Newhall Memorial Hospital CA | — | 0 | — | — |
| ISSPRO, inc. OR | Manufacturing | 0 | — | A |
| IST Logistics IN | Transportation & Warehousing | 0 | — | B |
| IST Management Services GA | Administrative & Waste Services | 0 | — | A |
| iStar Jewelry, LLC dba Stanley Creations NY | — | 0 | — | — |
| IStayWireless, LLC. TX | Retail Trade | 1 | $77,085 | — |
| ISTEER INC TX | Professional & Technical Services | 4 | $102,425 | — |
| Isthmus Engineering and Manufacturing WI | Manufacturing | 0 | — | A |
| Isthmus Engineering, Inc. MN | Professional & Technical Services | 1 | $93,184 | — |
| Istormwater LLC MD | Administrative & Waste Services | 1 | $85,233 | — |
| iStream Solutions, Inc. VA | Professional & Technical Services | 9 | $133,588 | — |
| ISU PETASYS CORP. CA | — | 0 | — | — |
| Isuzu Logistics North America, Inc. CA | Wholesale Trade | 0 | — | F |
| Isuzu Logistics North America, Inc. OH | Transportation & Warehousing | 0 | — | A |
| ISUZU North America Corporation CA | Wholesale Trade | 1 | $167,824 | A |
| Isuzu North America Corporation MI | Wholesale Trade | 0 | — | A |
| Isuzu Technical Center of America, Inc. MI | Manufacturing | 1 | $117,853 | — |
| IT & EBusiness Consulting Services, Inc. NY | Professional & Technical Services | 6 | $101,443 | — |
| IT ADVANZ LLC TX | Professional & Technical Services | 6 | $104,500 | — |
| IT America, Inc. NJ | Professional & Technical Services | 23 | $104,135 | — |
| IT Automation, LLC NC | Professional & Technical Services | 3 | $89,073 | — |
| IT BUSINESS MANAGEMENT SOLUTIONS INC. NJ | Professional & Technical Services | 2 | $95,900 | — |
| IT Cater Inc TX | Professional & Technical Services | 1 | $100,741 | — |
| IT CATS LLC NJ | Professional & Technical Services | 16 | $102,961 | — |
| IT CATS LLC DBA NJ | Professional & Technical Services | 1 | $79,290 | — |
