| INTERMOUNTAIN SENIOR CARE SERVICES INC. | Other services | 9179790-0142 | 2014-10-01 | Inactive | Orem |
| INTERMOUNTAIN STEEL BUILDINGS, INC. | — | 648156-0142 | 1974-11-27 | Inactive | Orem |
| INTERMOUNTAIN THERMAL EFFICIENCY COMPANY, INC. | — | 834794-0142 | 1983-05-23 | Inactive | Orem |
| INTERMOUNTAIN TOWER SPECIALISTS, INC. | — | 1351328-0142 | 1997-03-31 | Inactive | Orem |
| INTERMOUNTAIN VOIP, LLC | Professional services | 6240247-0160 | 2006-06-12 | Inactive | Orem |
| INTERMOUNTAIN WHOLESALERS, INC. | — | 5360446-0142 | 2003-07-14 | Active | OREM |
| INTERMOUTAIN SPORTS PUBLISHING, INC. | Administrative and waste services | 4986241-0142 | 2001-09-24 | Inactive | Orem |
| INTERNAL MED RESIDENCE, LLC | — | 10240771-0160 | 2017-01-24 | Inactive | Orem |
| INTERNATIONAL ACADEMY OF LYMPHOLOGY | — | 5343938-0145 | 2003-06-24 | Active | Orem |
| INTERNATIONAL AID SERVING KIDS, INC. | — | 5229836-0140 | 2002-11-25 | Inactive | OREM |
| INTERNATIONAL ARCHAEOLOGICAL RESEARCH INSTITUTE, THE | — | 929944-0140 | 1986-04-08 | Inactive | Orem |
| INTERNATIONAL ASSISTANCE, L.L.C. | — | 2011216-0160 | 1994-09-13 | Active | Orem |
| INTERNATIONAL AUTO REPAIR JAPANESE LLC | Other services | 12819044-0160 | 2022-04-25 | Inactive | Orem |
| INTERNATIONAL BREATH INSTITUTE, LLC | — | 5187539-0160 | 2002-09-04 | Inactive | Orem |
| INTERNATIONAL BUSINESS CONSULTING GROUP, LLC. | Professional services | 5101015-0160 | 2001-10-26 | Inactive | Orem |
| INTERNATIONAL CO-GENERATION AND DEVELOPMENT COMPANY | — | 973416-0142 | 1987-07-29 | Inactive | Orem |
| INTERNATIONAL COLLEGIATE SCHOLARSHIP FOUNDATION | Other services | 5095647-0140 | 2002-03-26 | Inactive | Orem |
| INTERNATIONAL COMPANY S & Z, TILE AND NATURAL STONE LLC | Construction | 13585528-0160 | 2023-09-13 | Active | Orem |
| INTERNATIONAL COMPUTER NEGOTIATIONS INC. | Professional services | 7065121-0142 | 2008-07-08 | Inactive | Orem |
| INTERNATIONAL COMPUTER NETWORK, INC. | — | 1100740-0142 | 1990-12-24 | Inactive | Orem |
| INTERNATIONAL CONSOLES CORPORATION | — | 712986-0142 | 1979-02-21 | Inactive | Orem |
| INTERNATIONAL CULTURAL EDUCATION FOUNDATION | Other services | 4737821-0140 | 2000-03-24 | Inactive | Orem |
| INTERNATIONAL DATING CONNECTION, L.L.C. | — | 5334125-0160 | 2003-04-23 | Inactive | Orem |
| INTERNATIONAL DIGITAL ASSETS LLC | Finance and insurance | 12355814-0160 | 2021-06-17 | Inactive | Orem |
| INTERNATIONAL DREDGING ENTERPRISES OF PROVO | — | 749413-0142 | 1980-09-09 | Inactive | Orem |
| INTERNATIONAL ECUAINVESTORS, LLC | Finance and insurance | 10943078-0160 | 2018-08-17 | Active | Orem |
| INTERNATIONAL EDUCATION ALLIANCE, LLC | Educational services | 9347668-0160 | 2015-03-18 | Inactive | OREM |
| INTERNATIONAL EDUCATION RESEARCH SOCIETY | Other services | 7813664-0140 | 2010-10-21 | Active | Orem |
| INTERNATIONAL ELITE ARMS, L.L.C. | — | 4881781-0160 | 2001-02-13 | Inactive | Orem |
| INTERNATIONAL EXPOSURE SYSTEMS, INC. | — | 645821-0142 | 1974-08-21 | Inactive | Orem |
| INTERNATIONAL FOOD BANK, INC. | Administrative and waste services | 1190803-0142 | 1992-12-09 | Inactive | Orem |
| INTERNATIONAL FOOD SERVICE PUBLISHERS INC. | — | 694634-0142 | 1978-03-30 | Inactive | Orem |
| INTERNATIONAL INTERIORS LLC | — | 6142742-0160 | 2006-03-09 | Inactive | Orem |
| INTERNATIONAL LANGUAGE PROGRAMS, INC. | Educational services | 1184329-0140 | 1992-10-22 | Active | OREM |
| INTERNATIONAL MARKET SQUARE, INCORPORATED | — | 1359805-0142 | 1997-05-27 | Inactive | Orem |
| INTERNATIONAL MARKETING & TECHNOLOGY, INC. (I.M.T.) | — | 752188-0142 | 1980-10-14 | Inactive | Orem |
| INTERNATIONAL MOUNTAINEERING SPORTS, INC. | Manufacturing | 820129-0142 | 1982-12-21 | Inactive | Orem |
| INTERNATIONAL NETWORK FOR EDUCATION AND TECHNOLOGY | Educational services | 1174868-0140 | 1992-07-17 | Inactive | Orem |
| INTERNATIONAL PAINTING LLC | Construction | 12680086-0160 | 2022-02-15 | Active | Orem |
| INTERNATIONAL PIN COLLECTORS ASSOCIATION INC. | — | 934310-0142 | 1986-05-20 | Inactive | Orem |
| INTERNATIONAL POWER TECHNOLOGIES, INC. | Manufacturing | 864788-0142 | 1984-04-03 | Inactive | Orem |
| INTERNATIONAL PRODUCTIONS CORPORATION | — | 851038-0142 | 1983-11-14 | Inactive | Orem |
| INTERNATIONAL PROPANE ENTERPRISES, LTD | Utilities | 2103384-0180 | 1981-12-31 | Inactive | OREM |
| INTERNATIONAL PROPERTIES, LLC | Real estate and leasing | 10292309-0160 | 2017-03-09 | Active | OREM |
| INTERNATIONAL REAL ESTATE FINANCE SUPPORT L.L.C. | Real estate and leasing | 7893288-0160 | 2011-02-23 | Inactive | OREM |
| INTERNATIONAL REAL ESTATE INVESTORS, LLC | Real estate and leasing | 9434849-0160 | 2015-06-03 | Active | OREM |
| INTERNATIONAL RELIEF AND RESETTLEMENT ORGANIZATION | Other services | 10574813-0140 | 2017-10-25 | Inactive | Orem |
| INTERNATIONAL SATELLITE, INC | — | 7658298-0142 | 2010-04-19 | Inactive | Orem |
| INTERNATIONAL SOFTWARE SOLUTIONS, INC. | Professional services | 1182736-0142 | 1994-08-01 | Inactive | Orem |
| INTERNATIONAL SOURCING, INC. | — | 5885561-0142 | 2005-04-13 | Inactive | Orem |