| RICH EXPLORATION, INC. | Real estate and leasing | 764539-0142 | 1981-03-10 | Inactive | Salt Lake City |
| RICH VALLEY BLENDS, INC. | Agriculture and forestry | 774891-0142 | 1981-06-24 | Inactive | Salt Lake City |
| RICHARD A. HADLOCK, D.D.S. A PROFESSIONAL CORPORATION | Health care and social assistance | 788918-0144 | 1981-12-03 | Inactive | Salt Lake City |
| RICHARD A. HARGES, M.D., P. C. | Health care and social assistance | 775704-0144 | 1981-07-01 | Active | Salt Lake City |
| RICHARD BERGSTROM & ASSOCIATES | Manufacturing | 2109665-0180 | 1981-06-08 | Inactive | |
| RICHARD D. BURBIDGE, INC. | Professional services | 767596-0144 | 1981-04-09 | Active | Salt Lake City |
| RICHARD E JENSEN LTD | Finance and insurance | 2103988-0180 | 1981-12-17 | Inactive | ST GEORGE |
| RICHARD G. LAMBERT, M. D., P.C. | Health care and social assistance | 781499-0144 | 1981-09-10 | Inactive | SALT LAKE CITY |
| RICHARD G. ZINKE & ASSOCIATES, INC. | — | 780258-0142 | 1981-08-27 | Inactive | Salt Lake City |
| RICHARD H. BRADLEY, A PROFESSIONAL CORPORATION | Professional services | 783737-0144 | 1981-10-01 | Inactive | Salt Lake City |
| RICHARD J. LAWRENCE, P. C. | Professional services | 769495-0144 | 1981-04-30 | Inactive | SLC |
| RICHARD KIP PETERSON FAMILY LIMITED PARTNERSHIP | Real estate and leasing | 2103375-0180 | 1981-12-30 | Inactive | LEHI |
| RICHARD L. BUCCIARELLI, M.D., A PROFESSIONAL CORPORATION | Health care and social assistance | 789507-0144 | 1981-12-09 | Inactive | Salt Lake City |
| RICHARD L. CAPENER, INC. | — | 779535-0142 | 1981-08-18 | Inactive | Logan |
| RICHARD L. FAMILY INVESTMENTS LIMITED | Manufacturing | 2109626-0180 | 1981-04-30 | Inactive | SANDY |
| RICHARD L. JACKSON, M.D. P.C. | Health care and social assistance | 776286-0144 | 1981-07-08 | Inactive | Bountiful |
| RICHARD L. MAIRES FAMILY INVESTMENTS, LLC. | Real estate and leasing | 2103306-0180 | 1981-04-30 | Expired | Draper |
| RICHARD L. MAIRES FAMILY INVESTMENTS, LLC. | — | 2103306-0160 | 1981-04-30 | Active | Draper |
| RICHARD L. WILLIAMS FAMILY LIMITED PARTNERSHIP | Information | 2109865-0180 | 1981-12-11 | Inactive | |
| RICHARD M. CHRISTENSEN TRUCKING, INC. | Transportation and warehousing | 785089-0142 | 1981-10-19 | Inactive | UTAH |
| RICHARD M. FERRON & ASSOCIATES, INC. | — | 767150-0143 | 1981-04-03 | Inactive | Salt Lake City |
| RICHARD MILES CONSTRUCTION AND DEVELOPMENT | — | 764383-0142 | 1981-03-09 | Inactive | SLC |
| RICHARD S. GOKA, M. D. A PROFESSIONAL CORPORATION | Health care and social assistance | 775696-0142 | 1981-07-01 | Inactive | PINEDALE |
| RICHARD S. IVERSON, M. D., A PROFESSIONAL CORPORATION | Health care and social assistance | 774683-0142 | 1981-06-22 | Inactive | Ogden |
| RICHARD TORNEY, C.F.P., INC. | Finance and insurance | 778920-0142 | 1981-08-10 | Inactive | SLC |
| RICHARD W. HOUGHTON AND ASSOCIATES, INC. | — | 783579-0142 | 1981-10-01 | Inactive | ST George |
| RICHARD W. PERKINS, P.C. | Professional services | 786305-0144 | 1981-10-30 | Inactive | SALT LAKE CITY |
| RICHARD W. WELCH CONSTRUCTION, INC. | Construction | 783001-0142 | 1981-09-25 | Inactive | Murray |
| RICHARDS & ASSOCIATES, INC. | — | 767775-0143 | 1981-04-10 | Expired | Salt Lake City |
| RICHARDS BRANDT MILLER NELSON, A PROFESSIONAL LAW CORPORATION | Professional services | 781000-0144 | 1981-09-02 | Active | SALT LAKE CITY |
| RICHARDS BRANDT MILLER NELSON, A PROFESSIONAL LAW CORPORATION | Professional services | 781000-0142 | 1981-09-02 | Active | SALT LAKE CITY |
| RICHARDSON MARKETING INC. | Information | 785420-0143 | 1981-10-21 | Expired | SLC |
| RICHFIELD INDIAN DORMINTORY BOARD, INC. | — | 781279-0140 | 1981-09-04 | Inactive | RICHFIELD UTAH |
| RICHFIELD TIRE CENTER, INC. | Retail trade | 782631-0142 | 1981-09-23 | Inactive | RICHFIELD UTAH |
| RICHLAND INC. | Real estate and leasing | 760353-0142 | 1981-01-19 | Inactive | Bountiful |
| RICHLAND INTERNATIONAL EXPORTING, INC. | — | 787510-0142 | 1981-11-16 | Inactive | Bountiful |
| RICK SIMPSON & ASSOCIATES, INC. | — | 782767-0142 | 1981-09-24 | Inactive | PARK CITY |
| RIDDLE FAMILY LIMITED PARTNERSHIP | Real estate and leasing | 2109956-0180 | 1981-12-31 | Inactive | Holladay |
| RIDGE DEVELOPMENT CO. | — | 784426-0143 | 1981-10-08 | Expired | SLC |
| RIDGELINE ASSOCIATES, INC. | Real estate and leasing | 776474-0142 | 1981-07-10 | Inactive | |
| RIDL INVESTMENT COMPANY | Real estate and leasing | 781601-0142 | 1981-09-11 | Inactive | LAYTON |
| RIGGS & CO. JEWELERS, INC. | — | 777606-0142 | 1981-07-27 | Inactive | Orem |
| RIGHT WEIGH, INC. | — | 763330-0142 | 1981-02-25 | Inactive | Provo |
| RIGLER CONSTRUCTION, INC. | — | 767345-0142 | 1981-04-07 | Inactive | Sandy |
| RIKARD D. PEARSON FAMILY PARTNERSHIP | Finance and insurance | 2109946-0180 | 1981-12-31 | Inactive | SLC |
| RILEY FAMILY PROPERTY, THE | Manufacturing | 2101562-0180 | 1981-11-10 | Inactive | BOUNTIFUL |
| RIMROCK INDUSTRIES, INC. | Mining, oil and gas | 766360-0142 | 1981-03-30 | Inactive | Salt Lake City |
| RINCON STEEL INC. | — | 772556-0143 | 1981-06-01 | Inactive | Salt Lake City |
| RIO GOLD AND ENERGY, INC. | — | 767619-0143 | 1981-04-09 | Expired | Salt Lake City |
| RIO GRANDE DRILLING COMPANY | Mining, oil and gas | 783097-0143 | 1981-09-24 | Expired | |