| INTERMOUNTAIN ATTORNEY REFERRAL SERVICE, INC. | Professional services | 1065713-0143 | 1990-03-07 | Expired | SLC |
| INTERMOUNTAIN AVIATION, INCORPORATED | Manufacturing | 1090979-0142 | 1990-09-26 | Inactive | OGDEN |
| INTERMOUNTAIN BOLT & NUT SUPPLY, INC. | — | 1076586-0142 | 1990-06-04 | Inactive | SLC |
| INTERMOUNTAIN CENTER FOR PODIATRIC EXCELLENCE, INC. | Other services | 1082578-0140 | 1990-07-16 | Inactive | Salt Lake City |
| INTERMOUNTAIN CHAPTER OF THE SOCIETY FOR INFORMATIONA MANAGE | Other services | 1082202-0140 | 1990-07-11 | Inactive | SLC |
| INTERMOUNTAIN CONSUMER PROFESSIONAL ENGINEERS, INC. | Professional services | 1060252-0142 | 1990-01-23 | Active | MIDVALE |
| INTERMOUNTAIN COUNCIL OF ENGINEERING TESTING LABORATORIES, + | Other services | 1073627-0140 | 1990-10-29 | Inactive | SLC |
| INTERMOUNTAIN DATALINE, INC. | Mining, oil and gas | 1062169-0142 | 1990-05-07 | Inactive | |
| INTERMOUNTAIN DENTAL ASSOCIATES, INC. | Finance and insurance | 1085850-0142 | 1990-08-17 | Inactive | SLC |
| INTERMOUNTAIN ENTERPRISES INCORPORATED OF OGDEN, INC. | Other services | 1075322-0142 | 1990-05-21 | Inactive | Ogden |
| INTERMOUNTAIN GENERAL BAPTIST CONVENTION, INCORPORATED | Other services | 1082585-0140 | 1990-07-16 | Inactive | Salt Lake City |
| INTERMOUNTAIN GOLF SERVICES, INC. | — | 1077811-0142 | 1990-12-28 | Inactive | Salt Lake City |
| INTERMOUNTAIN HANDICAPPED WORKERS INC. | Manufacturing | 1073414-0142 | 1990-05-07 | Inactive | Salt Lake City |
| INTERMOUNTAIN MACINTOSH USERS GROUP, INC., THE | Other services | 1062377-0140 | 1990-05-09 | Inactive | SLC |
| INTERMOUNTAIN MANUFACTURING, INC. | Administrative and waste services | 1087514-0143 | 1990-08-30 | Expired | SLC |
| INTERMOUNTAIN MEDICAL-LEGAL CONSULTANTS, INC. | Professional services | 1070629-0142 | 1990-09-18 | Inactive | SLC |
| INTERMOUNTAIN PARTS CLEANERS, INC. | — | 1064497-0142 | 1990-02-28 | Inactive | Pleasant Grove |
| INTERMOUNTAIN POLLED PIEDMONTESE, INC. | Agriculture and forestry | 1061910-0142 | 1990-02-06 | Inactive | SLC |
| INTERMOUNTAIN PUBLISHING CORPORATION | Information | 1058558-0142 | 1990-03-21 | Inactive | SLC |
| INTERMOUNTAIN TILE CONTRACTORS, INC. | — | 1076109-0142 | 1990-05-29 | Inactive | Salt Lake City |
| INTERMOUNTAIN WILDERNESS ASSOCIATION | Transportation and warehousing | 1063171-0140 | 1990-02-20 | Inactive | SLC |
| INTERNATIONAL AMUSEMENT INC. | Finance and insurance | 1066780-0143 | 1990-07-13 | Expired | Midvale |
| INTERNATIONAL AUTO REPAIR, INC. | Transportation and warehousing | 1064334-0142 | 1990-02-26 | Inactive | AMERICAN FORK |
| INTERNATIONAL BLINDCLEANERS CORPORATION | Administrative and waste services | 1074825-0142 | 1990-11-15 | Inactive | SLC |
| INTERNATIONAL BUSINESS ASSOCIATES, INC. | Finance and insurance | 1094234-0142 | 1990-10-26 | Inactive | SLC |
| INTERNATIONAL BUSINESS EXCHANGE | — | 1052945-0142 | 1990-01-10 | Inactive | SLC |
| INTERNATIONAL COMPOSITE CORPORATION | Administrative and waste services | 1078778-0142 | 1990-06-20 | Inactive | Salt Lake City |
| INTERNATIONAL COMPUTER NETWORK, INC. | — | 1100740-0142 | 1990-12-24 | Inactive | Orem |
| INTERNATIONAL CONSULTING, INC. | — | 1062517-0142 | 1990-02-12 | Inactive | SLC |
| INTERNATIONAL CONTAINER TRANSPORT, INC. | Professional services | 1093688-0143 | 1990-10-19 | Inactive | SLC |
| INTERNATIONAL DEVELOPMENT CORPORATION | Professional services | 1067327-0142 | 1990-08-02 | Inactive | Arlington |
| INTERNATIONAL DRILLING FLUIDS WEST TEXAS, INC. | Manufacturing | 1078334-0142 | 1990-06-15 | Inactive | Salt Lake City |
| INTERNATIONAL DUTCH OVEN SOCIETY | Other services | 1055454-0140 | 1990-02-08 | Inactive | Logan |
| INTERNATIONAL FINANCIAL NETWORK, INC. | — | 1098845-0142 | 1990-12-10 | Inactive | SLC |
| INTERNATIONAL FRAGRANCES INC. | — | 1076023-0142 | 1990-05-29 | Inactive | SLC |
| INTERNATIONAL GEMS & MINERALS INCORPORATED | — | 1081878-0142 | 1990-06-25 | Inactive | SLC |
| INTERNATIONAL HEALTH ADMINISTRATORS, INC. | Finance and insurance | 1082946-0142 | 1990-07-17 | Inactive | SLC |
| INTERNATIONAL INCENTIVES, INC. | Administrative and waste services | 1076288-0142 | 1990-12-06 | Inactive | SLC |
| INTERNATIONAL INSTITUTE OF ENTREPRENEURS, INC. | Professional services | 1066434-0142 | 1990-07-05 | Inactive | |
| INTERNATIONAL LEADERSHIP GROUP, INC. | Educational services | 1095296-0140 | 1990-11-05 | Inactive | Salt Lake City |
| INTERNATIONAL MARKETING PRODX INC. | Professional services | 1060112-0143 | 1990-04-09 | Expired | SLC |
| INTERNATIONAL MOTORS CORPORATION | Manufacturing | 1076594-0142 | 1990-12-11 | Inactive | SLC |
| INTERNATIONAL PETROLEUM AND EXPLORATION ROYALTY CORPORATION | Professional services | 1085233-0142 | 1990-08-10 | Active | Salt Lake City |
| INTERNATIONAL STUDIES ASSOCIATION, INCORPORATED | — | 1090482-0140 | 1990-09-24 | Inactive | COLCHESTER |
| INTERNATIONAL TECHNOLOGIES, INC. | Transportation and warehousing | 1081647-0142 | 1990-07-11 | Inactive | STE A-110, SLC |
| INTERNATIONAL TRAINING CENTER, INC., THE | Educational services | 1081013-0142 | 1990-07-06 | Inactive | SLC |
| INTERPLAST, INC. | Professional services | 1074747-0141 | 1990-05-16 | Inactive | MOUNTAIN VIEW |
| INTERPOINT SOFTWARE, INC. | Real estate and leasing | 1071260-0143 | 1990-04-18 | Expired | SLC |
| INTERPRETIVE DESIGN, INC. | Administrative and waste services | 1075240-0142 | 1990-11-26 | Inactive | BOULDER |
| INTERSCIENCE SUPPORT LAB, INC. | Professional services | 1077984-0142 | 1990-06-13 | Inactive | PLEASANT GROVE |