| NICK'S DETAIL & AUTO SERVICE, INC. | Transportation and warehousing | 1074374-0142 | 1990-11-08 | Inactive | Provo |
| NIELSON'S TEMPERATURE ENGINEERING, INC. | — | 1061355-0142 | 1990-02-01 | Inactive | SLC |
| NIGHTIME PEDIATRICS CLINIC OF WEST VALLEY, INC. | Health care and social assistance | 1066659-0142 | 1990-07-09 | Inactive | SLC |
| NILEX CORPORATION | — | 1072765-0143 | 1990-10-12 | Inactive | SALT LAKE CITY |
| NINE HUNDRED NETWORK, INCORPORATED, THE | Professional services | 1067395-0142 | 1990-08-03 | Inactive | SLC |
| NINETY-FOUR ENTERPRISES, INC. | Transportation and warehousing | 1080696-0142 | 1990-07-06 | Inactive | Sandy |
| NINTH & VINE, LTD. | Finance and insurance | 2104269-0180 | 1990-09-11 | Inactive | Salt Lake City |
| NIPSON PRINTING SYSTEMS INC. | Manufacturing | 1068929-0143 | 1990-04-03 | Expired | BILLERICA |
| NITECAP RADIO NETWORK, INC. | Transportation and warehousing | 1052899-0142 | 1990-01-10 | Inactive | SLC |
| NITECH INCORPORATED | — | 1053421-0142 | 1990-01-16 | Inactive | SLC |
| NJ REAL ESTATE MANAGEMENT CORP. | Manufacturing | 1068430-0143 | 1990-03-28 | Inactive | Salt Lake City |
| NOBLE DRILLING (U.S.) INC. | — | 1061020-0143 | 1990-01-29 | Expired | SLC |
| NODLES CORPORATION | Finance and insurance | 1065352-0142 | 1990-06-18 | Inactive | SLC |
| NOMURA BABCOCK & BROWN ENERGY CORPORATION | — | 1099908-0143 | 1990-12-17 | Inactive | DENVER |
| NOMURA BABCOCK & BROWN RESOURCES II, INC. | — | 1099919-0143 | 1990-12-17 | Expired | DENVER |
| NON-STOP PRODUCTIONS, LLC | Arts and entertainment | 1058134-0160 | 1990-01-09 | Inactive | |
| NON-STOP PRODUCTIONS, LLC | Transportation and warehousing | 1058134-0142 | 1990-01-09 | Expired | |
| NOR AVIATION, INC. | Administrative and waste services | 1061395-0142 | 1990-04-26 | Inactive | SLC |
| NORDIC, INCORPORATED | Manufacturing | 1081722-0142 | 1990-07-16 | Inactive | SLC |
| NOREX BIKE ASSEMBLY, INC. | — | 1058335-0142 | 1990-03-19 | Inactive | SLC |
| NORMAN INDUSTRIES, INC. | Professional services | 1065457-0142 | 1990-06-19 | Inactive | Midvale |
| NORMAN-SPENCER AGENCY, INC. | Finance and insurance | 1067731-0143 | 1990-03-22 | Expired | MIAMISBURG |
| NORMAN/LOEBBECKE/ASSOCIATES, P.C. | Professional services | 1072700-0144 | 1990-04-30 | Inactive | Salt Lake City |
| NORRIC ENTERPRISES, INCORPORATED | Administrative and waste services | 1069370-0142 | 1990-08-30 | Inactive | SLC |
| NORTH AMERICAN CONSTRUCTION, INC. | — | 1070969-0142 | 1990-09-21 | Inactive | BOUNTIFUL |
| NORTH AMERICAN DEICER, INC. | — | 1081436-0142 | 1990-07-10 | Inactive | Salt Lake City |
| NORTH AMERICAN HEALTH CARE, INC. | — | 1064105-0143 | 1990-02-26 | Expired | SLC |
| NORTH AMERICAN MECHANICAL ENTERPRISES, INC. | Administrative and waste services | 1073369-0143 | 1990-05-04 | Expired | SLC |
| NORTH AMERICAN REFRACTORIES COMPANY | — | 1101192-0143 | 1990-12-27 | Inactive | MOON TOWNSHIP |
| NORTH AMERICAN TRANSPUTER USERS GROUP | Educational services | 1100496-0140 | 1990-12-20 | Inactive | PROVIDENCE |
| NORTH HILLS CHRISTIAN FELLOWSHIP | Other services | 1071342-0140 | 1990-09-27 | Inactive | TREMONTON |
| NORTH LAKE MEDICAL SERVICES, INC. | Information | 1067651-0142 | 1990-03-22 | Inactive | SLC |
| NORTH MISSISSIPPI ERECTION COMPANY, INC. | — | 1058441-0143 | 1990-01-08 | Expired | SLC |
| NORTH PARK VILLAGE IRRIGATION ASSOCIATION, INC. | Utilities | 1089562-0140 | 1990-09-17 | Active | NORTH LOGAN |
| NORTH PINE PROPERTY OWNERS ASSOCIATION | Other services | 1087979-0140 | 1990-09-04 | Inactive | SLC |
| NORTH STAR EXPEDITIONS, INC. | Transportation and warehousing | 1073843-0142 | 1990-11-01 | Inactive | SLC |
| NORTH STAR TECHNOLOGIES INC. | Manufacturing | 1076812-0142 | 1990-06-07 | Inactive | Kearns |
| NORTH STAR TRUCK PARTS | Transportation and warehousing | 1055886-0142 | 1990-02-15 | Inactive | SLC |
| NORTH TEMPLE LAND COMPANY | Other services | 1063887-0142 | 1990-05-30 | Inactive | Salt Lake City |
| NORTHERN FENCE CO, INC. | — | 1092879-0142 | 1990-10-15 | Inactive | SLC |
| NORTHERN LIGHTING, INC. | Manufacturing | 1100923-0142 | 1990-12-26 | Inactive | SLC |
| NORTHERN POWER SPORTS, INC. | Transportation and warehousing | 1074115-0142 | 1990-05-10 | Inactive | SLC |
| NORTHERN SUN HOLDINGS, INC. | Other services | 1064661-0142 | 1990-03-01 | Inactive | Salt Lake City |
| NORTHERN UTAH RADIATION ONCOLOGISTS, P.C. | Health care and social assistance | 1060071-0144 | 1990-01-22 | Inactive | OGDEN |
| NORTHERN VIDEO MARKETING, INC. | Information | 1075501-0142 | 1990-05-22 | Inactive | SLC |
| NORTHPOINT AUTO PARTS, INC. | Transportation and warehousing | 1057202-0142 | 1990-01-02 | Inactive | SLC |
| NORTHSTAR ADVENTURES, INC. | Professional services | 1068687-0143 | 1990-03-30 | Expired | SLC |
| NORTHSTAR AUTO SALES, INC. | Transportation and warehousing | 1065632-0142 | 1990-06-20 | Inactive | ST GEORGE |
| NORTHSTAR GAS COMPANY, INC. OF TEXAS | Utilities | 1076830-0143 | 1990-06-04 | Inactive | HOUSTON |
| NORTHWEST & COMPANY, INC. | — | 1073000-0142 | 1990-05-02 | Inactive | SLC |