| AMBASSADOR HOMES, INC. | Real estate and leasing | 767174-0142 | 1981-04-08 | Inactive | Midvale |
| AMBRA 80-3, LTD | Mining, oil and gas | 2109551-0180 | 1981-02-23 | Inactive | SLC |
| AMBRA 81-1, LTD. | Mining, oil and gas | 2109740-0180 | 1981-08-11 | Inactive | SLC |
| AMCORD, INC. | — | 759832-0143 | 1981-01-12 | Inactive | Salt Lake City |
| AMELIA'S RESTAURANT, INC. | Accommodation and food services | 764404-0142 | 1981-03-09 | Inactive | |
| AMERICA WEST AIRLINES, LLC | Transportation and warehousing | 887561-0161 | 1981-09-04 | Inactive | Tempe |
| AMERICAN ADVISORY & ACCREDITING ASSOCIATION | Educational services | 784605-0140 | 1981-10-09 | Inactive | Murray |
| AMERICAN AIRWAVES WEST | — | 773092-0142 | 1981-06-05 | Inactive | WEST VALLEY UTAH |
| AMERICAN ARMS INTERNATIONAL, INC. | Manufacturing | 773879-0143 | 1981-06-12 | Expired | Salt Lake City |
| AMERICAN ASSOCIATION OF RETIRED PERSONS INC CHAPTER #3335 | — | 771950-0140 | 1981-05-26 | Inactive | Salt Lake City |
| AMERICAN BASKETBALL ASSOCIATION, INC. | — | 769202-0142 | 1981-04-28 | Inactive | AVONDALE |
| AMERICAN BRITISH ENTERPRISES INC. | — | 767951-0142 | 1981-04-14 | Inactive | SLC |
| AMERICAN CHRISTIAN ACADEMY | Educational services | 785448-0140 | 1981-11-09 | Inactive | Provo |
| AMERICAN CITIGROUP, INCORPORATED | Real estate and leasing | 770166-0142 | 1981-05-07 | Inactive | Salt Lake City |
| AMERICAN CIVIL CONSTRUCTORS, INC. | Professional services | 785509-0143 | 1981-10-22 | Inactive | Lakewood |
| AMERICAN CONCEPTS, INCORPORATED | — | 761104-0142 | 1981-01-28 | Inactive | Ogden |
| AMERICAN CRANK, INC. | Other services | 784462-0142 | 1981-10-09 | Inactive | West Jordan |
| AMERICAN DIET COUNSELORS, INC. | — | 782897-0143 | 1981-09-24 | Expired | Salt Lake City |
| AMERICAN ENERGY GLASS, INC. | — | 788348-0142 | 1981-11-25 | Inactive | Provo |
| AMERICAN ENERGY PARTNERS, INC. | Mining, oil and gas | 762462-0142 | 1981-02-13 | Inactive | |
| AMERICAN ENERGY PRODUCTS CORP. | Manufacturing | 784407-0143 | 1981-10-08 | Inactive | SLC |
| AMERICAN ENERGY SEARCH | — | 778275-0142 | 1981-08-03 | Inactive | Pleasant Grove |
| AMERICAN ENTERTAINMENT DEVELOPERS | Transportation and warehousing | 786890-0142 | 1981-11-04 | Inactive | HOLLADAY UTAH |
| AMERICAN EQUIPMENT PARTS & SERVICE, INC. | — | 785820-0142 | 1981-10-27 | Inactive | Salt Lake City |
| AMERICAN FACTORING CORPORATION | — | 768330-0142 | 1981-04-17 | Inactive | SLC |
| AMERICAN FAMILY ACADEMY, INC., THE | Other services | 788226-0140 | 1981-11-23 | Inactive | Salt Lake City |
| AMERICAN FOREST PRODUCTS COMPANY. | Agriculture and forestry | 2109524-0181 | 1981-01-26 | Inactive | SAN FRANCISCO |
| AMERICAN FORK REDEVELOPMENT CORPORATION | — | 765721-0140 | 1981-03-23 | Inactive | American Fork |
| AMERICAN FUND FOR CZECHOSLOVAK REFUGEES, INC. | — | 764477-0141 | 1981-03-09 | Expired | Salt Lake City |
| AMERICAN GEM AND PRECIOUS METALS, INC. | — | 760381-0142 | 1981-01-19 | Inactive | Orem |
| AMERICAN HUNTER EXPLORATION LTD. | — | 762716-0143 | 1981-02-17 | Inactive | BRENTWOOD |
| AMERICAN INLAND CORPORATION | — | 778997-0143 | 1981-08-11 | Expired | |
| AMERICAN INSTITUTE OF CERTIFIED TAX PREPARERS, THE | — | 761463-0140 | 1981-01-30 | Inactive | SLC |
| AMERICAN INSTITUTE OF LEARNING, INC., THE | Educational services | 788953-0140 | 1981-12-03 | Inactive | DRAPER UTAH |
| AMERICAN INSTITUTIONS FOOD SERVICE ASSOCIATION | Educational services | 784283-0140 | 1981-10-09 | Inactive | SLC |
| AMERICAN INTERNATIONAL DISTRIBUTORS, INC. | — | 770126-0142 | 1981-05-07 | Inactive | |
| AMERICAN INVESTMENT FINANCIAL | Finance and insurance | 781416-0142 | 1981-09-09 | Inactive | Midvale |
| AMERICAN LIQUID AIR, INC. | — | 759722-0143 | 1981-01-09 | Inactive | HOUSTON |
| AMERICAN LUPUS SOCIETY, THE | — | 768764-0141 | 1981-04-22 | Expired | Sandy |
| AMERICAN MANUFACTURING WORLD PRODUCT SALES, INC. | — | 763608-0142 | 1981-02-27 | Inactive | Salt Lake City |
| AMERICAN NATIONAL ENERGY AND DEVELOPMENT CORPORATION | Real estate and leasing | 767967-0142 | 1981-04-16 | Inactive | Salt Lake City |
| AMERICAN OPINION ENTERPRISES, LTD. | — | 774140-0142 | 1981-06-16 | Inactive | Orem |
| AMERICAN PERSONNEL SERVICES, INC. | — | 765255-0142 | 1981-03-19 | Inactive | Salt Lake City |
| AMERICAN PINE LOG HOMES, INC. | — | 772837-0142 | 1981-06-03 | Inactive | Salt Lake City |
| AMERICAN PLAZA III OWNERS ASSOCIATION | Real estate and leasing | 772024-0140 | 1981-05-27 | Inactive | SLC |
| AMERICAN PROTECTIVE SERVICES, INC. | Administrative and waste services | 787066-0143 | 1981-11-09 | Inactive | Westlake Village |
| AMERICAN REMODELING, INC. | — | 773546-0142 | 1981-06-10 | Inactive | Sandy |
| AMERICAN REVENUE MANAGEMENT CORP. | — | 788351-0142 | 1981-11-25 | Inactive | |
| AMERICAN STORES MANAGEMENT SYSTEMS COMPANY | — | 787081-0143 | 1981-11-09 | Inactive | Salt Lake City |
| AMERICAN STRATEGIC METALS, INC. | Mining, oil and gas | 771141-0142 | 1981-05-14 | Inactive | SHAKER HEIGHTS OHIO |