| ISE America, Inc. MD | Agriculture & Forestry | 0 | — | C |
| ISE America, Inc. NJ | Agriculture & Forestry | 0 | — | B |
| ISE Labs CA | — | 0 | — | — |
| ISE NEWBERRY INC SC | Agriculture & Forestry | 0 | — | C |
| iSeatz, Inc. LA | Professional & Technical Services | 1 | $130,000 | — |
| ISEC, Inc. AZ | Construction | 0 | — | C |
| ISEC, Inc. CA | Construction | 0 | — | A |
| ISEC, Inc. CO | Construction | 0 | — | D |
| ISEC, INC. FL | Construction | 0 | — | A |
| ISEC, Inc. MD | Construction | 0 | — | A |
| ISEC, Inc. OR | Construction | 0 | — | A |
| ISEC, Inc. TN | Construction | 0 | — | A |
| ISEC, Inc. TX | Construction | 0 | — | F |
| ISEC, Inc. UT | Construction | 0 | — | A |
| ISEC, Inc. WA | Construction | 0 | — | F |
| iSecure, LLC NY | Professional & Technical Services | 1 | $68,453 | — |
| ISEE, Inc. MA | Professional & Technical Services | 3 | $150,000 | — |
| iSeed Ventures, LLC CA | Finance & Insurance | 1 | $120,000 | — |
| Isenberg Concrete Construction Inc. IN | Construction | 0 | — | A |
| Isenhart Electric LLC MI | Construction | 0 | — | F |
| Isenhour Construction Management, Inc. NC | Construction | 0 | — | A |
| Isenhour Door Products Inc. TN | Manufacturing | 0 | — | F |
| ISF, Inc. FL | Professional & Technical Services | 1 | $120,000 | — |
| Isgenuity LLC MA | Professional & Technical Services | 1 | $82,000 | — |
| ISH Construction Equipment USA, Inc ME | Wholesale Trade | 0 | — | A |
| Isha Tech Ltd TX | Professional & Technical Services | 1 | $135,699 | — |
| Ishift Corp CA | Professional & Technical Services | 6 | $108,167 | — |
| Ishmail, Inc. NY | Professional & Technical Services | 1 | $131,997 | — |
| iShopShops, Inc NY | Retail Trade | 2 | $60,986 | — |
| ISI Commercial Refrigeration TX | Wholesale Trade | 0 | — | A |
| ISI Detention Contracting Group, Inc. dba Argyle CA | — | 0 | — | — |
| ISI Inspection Services, Inc. CA | Professional & Technical Services | 0 | — | A |
| ISI Logistics IN | Transportation & Warehousing | 0 | — | A |
| Isikel Manufacturing LLC TX | Manufacturing | 0 | — | A |
| Isis Commercial Interiors, Inc. CA | Construction | 1 | $96,678 | — |
| Isis Theatre/Metro Rocky Mountain Cinemas CO | — | 0 | — | — |
| Isite Technologies Inc. NJ | Professional & Technical Services | 23 | $94,612 | — |
| ISK Biocides, Inc. TN | Manufacturing | 0 | — | F |
| ISK Manhattan, Inc./McDonald's Restaurants NY | — | 0 | — | — |
| Isla Bella Beach Resort FL | — | 0 | — | — |
| Isla Lab Products LLC PR | Wholesale Trade | 0 | — | D |
| Isla Vista Fud Cooperative CA | Retail Trade | 0 | — | A |
| Islamic Academy of Delaware INC. DE | Educational Services | 1 | $76,960 | — |
| Islamic Services of America IA | Public Administration | 0 | — | A |
| Islamic Society of Tampa Bay Area, Inc. FL | Educational Services | 2 | $43,610 | — |
| Island Acoustics, LLC NY | Construction | 0 | — | C |
| Island Architectural Woodwork, Inc. NY | Construction | 0 | — | C |
| Island Bay Yacht Club IL | Arts & Entertainment | 0 | — | A |
| Island Breeze HVAC LLC NC | Construction | 0 | — | A |
| Island CERTS Corporation GU | Professional & Technical Services | 1 | $69,118 | — |