| Iscar GSE Corp FL | Transportation & Warehousing | 0 | — | F |
| Iscar Metals Inc. TX | Wholesale Trade | 0 | — | A |
| Isch Plumbing Co., LLC TX | Construction | 0 | — | A |
| Ischebeck USA AL | Wholesale Trade | 0 | — | A |
| iSchemaView Inc. CA | Information & Media | 2 | $189,623 | — |
| ISCO Industries, Inc AK | Manufacturing | 0 | — | A |
| ISCO Industries, Inc AL | Manufacturing | 0 | — | A |
| ISCO Industries, Inc AZ | Manufacturing | 0 | — | C |
| ISCO Industries, Inc CA | Manufacturing | 0 | — | A |
| ISCO Industries, Inc CO | Manufacturing | 0 | — | A |
| ISCO Industries, Inc FL | Manufacturing | 0 | — | A |
| ISCO Industries, Inc IL | Manufacturing | 0 | — | A |
| ISCO Industries, Inc KY | Manufacturing | 0 | — | A |
| ISCO Industries, Inc LA | Manufacturing | 0 | — | A |
| ISCO Industries, Inc MA | Manufacturing | 0 | — | A |
| ISCO Industries, Inc MI | Manufacturing | 0 | — | A |
| ISCO Industries, Inc MN | Manufacturing | 0 | — | A |
| ISCO Industries, Inc MT | Manufacturing | 0 | — | A |
| ISCO Industries, Inc ND | Manufacturing | 0 | — | A |
| ISCO Industries, Inc NE | Manufacturing | 0 | — | A |
| ISCO Industries, Inc NJ | Manufacturing | 0 | — | A |
| ISCO Industries, Inc OH | Manufacturing | 0 | — | A |
| ISCO Industries, Inc OK | Manufacturing | 0 | — | A |
| ISCO Industries, Inc SC | Manufacturing | 0 | — | A |
| ISCO Industries, Inc TX | Manufacturing | 0 | — | A |
| ISCO Industries, Inc UT | Manufacturing | 0 | — | A |
| ISCO Industries, Inc WI | Manufacturing | 0 | — | A |
| ISCO industries, Inc WV | Manufacturing | 0 | — | A |
| ISD # 787 Browerville MN | Educational Services | 0 | — | A |
| ISD #356 MN | Educational Services | 0 | — | A |
| ISD #550 MN | Educational Services | 0 | — | A |
| ISD #553 MN | Educational Services | 0 | — | A |
| ISD #88 - New Ulm Public Schools MN | Educational Services | 0 | — | A |
| ISD - Radio CA | Construction | 0 | — | A |
| ISD 0333 MN | Educational Services | 0 | — | F |
| ISD 129 - Montevideo School District MN | Educational Services | 0 | — | A |
| ISD 129 Montevideo School District MN | Educational Services | 0 | — | B |
| ISD 16 Spring Lake Park, CVES Centerview Elementary School MN | Educational Services | 0 | — | F |
| ISD 16 Spring Lake Park, DSC - District Services Center MN | Educational Services | 0 | — | A |
| ISD 16 Spring Lake Park, NTHP - Northpoint Elem School MN | Educational Services | 0 | — | D |
| ISD 16 Spring Lake Park, PRKT - Park Terrace Elem. Sch MN | Educational Services | 0 | — | F |
| ISD 16 Spring Lake Park, SLPHS - Spring Lake Park HS MN | Educational Services | 0 | — | D |
| ISD 16 Spring Lake Park, WCSI - Woodcrest Elem Span Imm MN | Educational Services | 0 | — | F |
| ISD 16 Spring Lake Park, WWIS - Westwood Inter. School MN | Educational Services | 0 | — | A |
| ISD 191 - Burnsville School District MN | Educational Services | 0 | — | F |
| ISD 191 - SWSC MN | Educational Services | 0 | — | F |
| ISD 191 Burnsville BAHS Burnsville Alternative HS MN | Educational Services | 0 | — | A |
| ISD 191 Burnsville DEC Diamond Head Educ Cnt MN | Educational Services | 0 | — | B |
| ISD 191 Burnsville ERMS Eagle Ridge Middle School MN | Educational Services | 0 | — | A |
| ISD 191 Burnsville High School MN | Educational Services | 0 | — | B |
