| 1 | BARNARD CONSTRUCTION COMPANY, INCORPORATED | $2.63B | 17 |
| 2 | MONTANA DEPARTMENT OF TRANSPORTATION | $1.02B | 2K |
| 3 | TORRENT TECHNOLOGIES, INC. | $970.5M | 16K |
| 4 | STATE OF MONTANA DEPARTMENT OF HEALTH AND HUMAN SERVICES | $651.6M | 409 |
| 5 | MONTANA DEPARTMENT OF ADMINISTRATION | $644.2M | 11 |
| 6 | MID-RIVERS TELEPHONE COOPERATIVE INC | $484.8M | 176 |
| 7 | BARNARD SPENCER JOINT VENTURE | $444.5M | 6 |
| 8 | NATIONAL FOREST FOUNDATION | $303.0M | 252 |
| 9 | PUBLIC INSTRUCTION MONTANA OFFICE OF | $208.6M | 74 |
| 10 | MONTANA DEPARTMENT OF ENVIRONMENTAL QUALITY | $205.7M | 101 |
| 11 | BFBC LLC | $152.3M | 5 |
| 12 | MONTANA STATE UNIVERSITY | $147.6M | 502 |
| 13 | DEPARTMENT OF COMMERCE MONTANA | $141.6M | 153 |
| 14 | BRIDGER AIR TANKER LLC | $128.9M | 127 |
| 15 | PUBLIC HEALTH & HUMAN SERVICES MONTANA D | $126.0M | 162 |
| 16 | UNIVERSITY OF MONTANA | $113.3M | 531 |
| 17 | FISH WILDLIFE & PARKS MONTANA DEPARTMENT | $112.4M | 193 |
| 18 | S & K SECURITY GROUP LLC | $103.3M | 22 |
| 19 | NW CONSTRUCTION, INC | $93.9M | 6 |
| 20 | NATURAL RESOURCES & CONSERVATION, MONTANA DEPT OF | $87.4M | 98 |
| 21 | NEMONT TELEPHONE CO-OPERATIVE INC | $77.2M | 42 |
| 22 | BLACKFEET TRIBE OF THE BLACKFEET INDIAN RESERVATION | $64.7M | 183 |
| 23 | S & K FEDERAL SERVICES LLC | $62.2M | 445 |
| 24 | DEPARTMENT OF MILITARY AFFAIRS MONTANA | $61.7M | 109 |
| 25 | BILLINGS FLYING SERVICE LLC | $56.3M | 86 |
| 26 | INTERNATIONAL TOWERS LLC | $53.4M | 19 |
| 27 | FLATHEAD MUNICIPAL AIRPORT AUTHORITY | $52.8M | 12 |
| 28 | SWANK ENTERPRISES | $44.3M | 2 |
| 29 | THE CHIPPEWA CREE TRIBE OF THE ROCKY BOY RESERVATION | $39.4M | 152 |
| 30 | CONFEDERATED SALISH & KOOTENAI TRIBES | $38.1M | 155 |
| 31 | NORTHERN CHEYENNE TRIBE | $38.0M | 214 |
| 32 | STATE AUDITOR MONTANA | $35.8M | 1 |
| 33 | CROW TRIBE OF INDIANS | $35.6M | 157 |
| 34 | MONTANA DEPARTMENT OF LABOR INDUSTRY | $34.9M | 106 |
| 35 | TNL SALES LLC | $33.7M | 5K |
| 36 | SALISH KOOTENAI COLLEGE, INC. | $30.9M | 70 |
| 37 | MISSOULA HOUSING AUTHORITY | $29.2M | 121 |
| 38 | DJ&A, P.C. | $27.9M | 293 |
| 39 | GALLATIN AIRPORT AUTHORITY | $27.3M | 12 |
| 40 | S & K AEROSPACE, LLC | $27.1M | 1K |
| 41 | FORT PECK ASSINIBOINE & SIOUX TRIBES | $26.7M | 165 |
| 42 | CITY OF MISSOULA | $22.1M | 19 |
| 43 | OFTEDAL CONSTRUCTION, INC. | $21.9M | 4 |
| 44 | FORT BELKNAP INDIAN COMMUNITY | $20.8M | 141 |
| 45 | ALL IN EXCAVATION & HAULING LLC | $20.3M | 13 |
| 46 | FOUR BEERS, INC. | $20.0M | 2 |
| 47 | MISSOULA COUNTY AIRPORT AUTHORITY | $19.4M | 12 |
| 48 | WELL DONE NEW MEXICO LLC | $19.3M | 1 |
| 49 | MONTANA BOARD OF CRIME CONTROL | $18.6M | 52 |
| 50 | LAKE COUNTY | $18.5M | 10 |
| 51 | 2101 LLC | $18.4M | 157 |
| 52 | PRICE CONTRACTING INC | $17.2M | 70 |
| 53 | INTERTRIBAL AGRICULTURE COUNCIL, INC | $17.0M | 12 |
| 54 | BRIDGER AEROSPACE GROUP, LLC | $16.5M | 47 |
| 55 | HOUSING AUTHORITY OF BILLINGS INC | $16.5M | 103 |
| 56 | NOMAD GLOBAL COMMUNICATION SOLUTIONS, INCORPORATED | $16.2M | 61 |
| 57 | MONTANA TECHNOLOGICAL UNIVERSITY | $15.7M | 82 |
| 58 | BILLINGS CITY OF | $15.6M | 10 |
| 59 | FORT PECK COMMUNITY COLLEGE | $14.9M | 37 |
| 60 | CENTRAL COPTERS, INC. | $14.9M | 38 |
| 61 | INTEGRATED SECURITY SOLUTIONS INC | $14.8M | 59 |
| 62 | S&K MISSION SUPPORT, LLC | $14.7M | 26 |
| 63 | STONE CHILD COLLEGE CORP | $14.7M | 39 |
| 64 | YELLOWSTONE ENTERPRISES LLC | $14.4M | 182 |
| 65 | MISSOURI RIVER CONTRACTORS, LLC | $14.2M | 6 |
| 66 | OPPORTUNITIES INC | $14.2M | 3 |
| 67 | WADSWORTH BUILDERS CO INC | $14.0M | 22 |
| 68 | BLACKFEET COMMUNITY COLLEGE | $13.7M | 35 |
| 69 | MONTANA PHOTONICS INDUSTRY ALLIANCE | $13.7M | 1 |
| 70 | MONTANA CONSERVATION CORPS, INC. | $13.6M | 233 |
| 71 | FORT PECK HOUSING AUTHORITY | $13.1M | 8 |
| 72 | BIG SKY MOBILE CATERING CORP | $13.1M | 52 |
| 73 | SALISH & KOOTENAI HOUSING AUTHORITY | $12.9M | 5 |
| 74 | CHIPPEWA CREE HOUSING AUTHORITY | $12.3M | 5 |
| 75 | CENTRAL MONTANA REGIONAL WATER AUTHORITY | $12.0M | 1 |
| 76 | TRIANGLE TELEPHONE COOPERATIVE ASSOCIATION, INC. | $12.0M | 61 |
| 77 | LITTLE BIG HORN COMMUNITY COLLEGE | $11.6M | 44 |
| 78 | OUTBACK FIREFIGHTING, INC. | $11.6M | 284 |
| 79 | AANIIIH NAKODA COLLEGE | $11.3M | 44 |
| 80 | BOARD OF REGENTS MONTANA | $10.4M | 9 |
| 81 | REVEAL TECHNOLOGY, INC. | $10.2M | 5 |
| 82 | FLATHEAD ELECTRIC COOPERATIVE INC | $10.0M | 1 |
| 83 | BIG LAKE 2 LLC | $10.0M | 10 |
| 84 | UNITED STATES ANTIMONY CORPORATION | $9.9M | 2 |
| 85 | GREAT FALLS INTERNATIONAL AIRPORT AUTHORITY | $9.8M | 15 |
| 86 | CHIEF DULL KNIFE COLLEGE | $9.7M | 31 |
| 87 | YELLOWSTONE ELECTRIC CO | $9.6M | 9 |
| 88 | HELENA HOUSING AUTHORITY | $9.3M | 61 |
| 89 | BATTLE RIDGE BUILDERS, LLC | $9.1M | 11 |
| 90 | GREAT WEST ENGINEERING INC | $8.9M | 94 |
| 91 | XENTURIS LLC | $8.7M | 89 |
| 92 | THOMPSON CONTRACTING, INC. | $8.7M | 35 |
| 93 | MISSOULA COUNTY | $8.6M | 17 |
| 94 | GREAT FALLS TRANSIT DISTRICT | $8.5M | 5 |
| 95 | PUBLIC HOUSING AUTHORITY OF BUTTE | $8.3M | 108 |
| 96 | 3 RIVERS TELEPHONE COOPERATIVE, INC. | $8.2M | 119 |
| 97 | S & K LOGISTICS SERVICES LLC | $8.0M | 484 |
| 98 | CITY OF BILLINGS | $7.9M | 10 |
| 99 | NEPTUNE AVIATION SERVICES, INC. | $7.9M | 114 |
| 100 | NORTHERN CHEYENNE TRIBAL HOUSING AUTHORITY | $7.7M | 4 |