Montana Employer EIN Lookup
Use this MontanaEIN lookup to find an employer’s Employer Identification Number from its public Form 5500 filing. 3,348 employers based in Montana have filed a Form 5500, covering 3,783 retirement and health plans with $14.3B in reported assets. The largest are listed below with their EIN — open any employer to see the full filing.
Employers
3,348
Plans
3,783
Total assets
$14.3B
Largest employers in Montana by EIN
Form 5500 search →| Employer | EIN | City | Plans | Participants | Assets |
|---|---|---|---|---|---|
| Northwestern Corporation | 46-0172280 | Butte | 5 | 3,583 | $937.1M |
| Billings Clinic | 81-0231784 | Billings | 3 | 10,088 | $857.0M |
| D.A. Davidson Companies | 81-0439153 | Great Falls | 3 | 4,500 | $798.3M |
| Glacier Bancorp, Inc. | 81-0519541 | Kalispell | 2 | 6,576 | $545.5M |
| Pacific HIDE & FUR Depot d/b/a Pacific Steel and Recycling | 81-0246538 | Great Falls | 5 | 3,557 | $514.2M |
| Logan Health | 81-0406485 | Kalispell | 4 | 22,594 | $500.4M |
| First Interstate Bancsystem, Inc. | 81-0331430 | Billings | 3 | 6,423 | $481.7M |
| Stillwater Mining Company | 81-0480654 | Columbus | 6 | 3,161 | $430.8M |
| Washington Companies | 81-0485406 | Missoula | 4 | 4,210 | $312.6M |
| Electrical Consultants, Inc. | 81-0427018 | Billings | 3 | 2,988 | $251.5M |
| St. Peters Health | 81-0233121 | Helena | 3 | 4,236 | $190.8M |
| Bozeman Deaconess Health Services DBA Bozeman Health | 81-0232121 | Bozeman | 3 | 6,270 | $179.2M |
| Morrison-Maierle, Inc. | 81-0217149 | Helena | 3 | 974 | $152.7M |
| Barnard Construction Company, Inc. | 81-0384712 | Bozeman | 1 | 523 | $127.1M |
| Crowley Fleck PLLP | 81-0122795 | Billings | 3 | 676 | $124.4M |
| Stockman Financial Corp. | 81-0399040 | Miles City | 2 | 1,545 | $124.3M |
| Town Pump, ET AL | 81-0270360 | Butte | 2 | 5,501 | $114.3M |
| Sletten, Inc. | 81-0418015 | Great Falls | 4 | 1,464 | $107.3M |
| Cushing Terrell | 81-0305543 | Billings | 3 | 1,343 | $91.6M |
| DICK Anderson Construction, Inc. | 81-0380463 | Helena | 3 | 1,580 | $88.1M |
| Marcus DALY Memorial Hospital Corporation | 81-0240726 | Hamilton | 2 | 1,350 | $65.3M |
| S&K Technologies, Inc. | 32-0189276 | St. Ignatius | 5 | 2,148 | $60.3M |
| Allegiance Benefit Plan Management, Inc. | 81-0400550 | Missoula | 2 | 1,300 | $56.0M |
| Oftedal Construction, Inc. | 81-0307943 | Miles City | 3 | 428 | $55.7M |
| Carroll College | 81-0231774 | Helena | 9 | 1,594 | $55.3M |
| Associated Employers of Montana | 81-0424947 | Billings | 1 | 7,740 | $54.3M |
| Missoula Anesthesiology, P.C. | 81-0513275 | Missoula | 1 | 48 | $52.9M |
| Northern Montana Hospital | 81-0231787 | Havre | 3 | 1,081 | $50.3M |
| Mid-Rivers Telephone Cooperative, Inc. | 81-0239277 | Circle | 3 | 212 | $49.5M |
| Ranch and Home Supply, LLC | 72-1542483 | Bozeman | 2 | 2,857 | $49.1M |
| LMLC Operations LLC | 93-3834011 | Bozeman | 2 | 3,345 | $47.5M |
| Pioneer Technical Services, Inc. | 81-0474175 | Butte | 3 | 355 | $47.2M |
| Opportunity Bank of Montana | 81-0105500 | Helena | 3 | 998 | $47.1M |
| Western Montana Clinic, P.C. | 81-0226415 | Missoula | 1 | 200 | $46.8M |
| ZOOT Enterprises Inc. | 81-0529856 | Bozeman | 2 | 482 | $44.5M |
| Board of Trustees of the Montana Contractors ASSN Health Care Trust | 81-0449239 | Billings | 1 | 1,982 | $42.4M |
| American Chemet Corporation | 36-2057681 | Helena | 3 | 326 | $42.4M |
| Computers Unlimited, Inc. | 81-0375793 | Billings | 2 | 368 | $40.4M |
| Moulton Bellingham PC | 81-0387111 | Billings | 1 | 25 | $39.0M |
| On SITE Management, Inc. | 81-0445392 | Bozeman | 3 | 312 | $38.4M |
| Anesthesia Partners of Montana, PC | 81-0478374 | Billings | 2 | 50 | $38.3M |
| Sidney Health Center | 81-0233499 | Sidney | 3 | 1,025 | $37.8M |
| Sanderson Bellecci Inc. | 92-3957878 | Billings | 2 | 387 | $37.1M |
| Independence Bank | 81-0331859 | Havre | 1 | 147 | $34.5M |
| Kampgrounds of America, Inc. | 81-0292967 | Billings | 3 | 1,388 | $33.0M |
| Thomas, Dean & Hoskins, Inc. | 81-0295283 | Great Falls | 2 | 225 | $32.8M |
| Frances Mahon Deaconess Hospital | 81-0231786 | Glasgow | 3 | 642 | $32.6M |
| Rocky Mountain College | 81-0235407 | Billings | 2 | 428 | $32.6M |
| Livingston Healthcare | 81-0378200 | Livingston | 2 | 978 | $32.5M |
| Missoula BONE & Joint, LLC | 84-1392819 | Missoula | 2 | 380 | $32.0M |
| Junkermier, Clark, Campanella, Stevens, P.C. | 81-0348775 | Great Falls | 2 | 207 | $31.9M |
| Town and Country Foods, Inc. ESOP | 81-0440194 | Bozeman | 2 | 849 | $31.9M |
| Bridger Orthopedics and Sports Medicine, P.C. | 81-0512911 | Bozeman | 2 | 252 | $30.9M |
| Glendive Medical Center | 81-6016016 | Glendive | 1 | 380 | $30.4M |
| Ortho Montana, PSC | 81-0303109 | Billings | 3 | 314 | $30.1M |
| Rocky Mountain ELK Foundation, Inc. | 81-0421425 | Missoula | 2 | 398 | $29.8M |
| Riverside Contracting, Inc. | 81-0393633 | Missoula | 2 | 468 | $29.7M |
| Gallatin Valley Anesthesia Associates, P.C. | 13-4310888 | Bozeman | 1 | 35 | $29.4M |
| Neptune Aviation Services Inc. | 81-0483816 | Missoula | 2 | 425 | $28.7M |
| REC Advanced Silicon Materials, LLC | 20-3097239 | Silver BOW | 1 | 60 | $28.4M |
| Jackson Contractor Group, Inc. | 81-0535453 | Missoula | 3 | 689 | $28.2M |
| Northstar Medical Management, Inc. | 81-0538539 | Missoula | 2 | 329 | $28.1M |
| Onxmaps, Inc. | 27-1223662 | Missoula | 2 | 911 | $28.0M |
| Century Companies, Inc. | 81-0359330 | Lewistown | 2 | 366 | $27.6M |
| WYO-Ben, Inc. | 81-0291876 | Billings | 2 | 559 | $27.6M |
| Yellowstone Club Operations, LLC | 27-0412610 | Bozeman | 2 | 2,252 | $27.0M |
| Signal Peak Energy, LLC | 26-2998847 | Roundup | 1 | 264 | $26.7M |
| Menholt Automotive Group | 81-0449357 | Billings | 2 | 840 | $26.2M |
| PFL Tech, Inc. | 81-0512202 | Livingston | 6 | 882 | $25.0M |
| ALPS Corporation | 81-0446756 | Missoula | 1 | 107 | $24.9M |
| Northern Rockies Anesthesia Consultants, PLLC | 81-0544884 | Kalispell | 1 | 29 | $24.9M |
| Community Hospital of Anaconda | 81-0303913 | Anaconda | 2 | 919 | $24.4M |
| St. Luke Community Hospital and Nursing Home | 81-0221486 | Ronan | 3 | 943 | $23.9M |
| Community, Counseling, and Corre | 81-0413419 | Butte | 3 | 994 | $23.7M |
| Great West Engineering, Inc. | 20-2501633 | Helena | 1 | 135 | $23.3M |
| Central Montana Medical Center | 23-7169043 | Lewistown | 2 | 527 | $23.2M |
| United Materials of Great Falls | 81-0406935 | Great Falls | 2 | 296 | $22.8M |
| The Yellowstone Bank | 81-0211310 | Billings | 1 | 113 | $22.2M |
| Northwest Imaging, P.C. | 81-0347382 | Kalispell | 1 | 22 | $22.1M |
| Central Plumbing and Heating Co Inc. | 81-0285765 | Great Falls | 1 | 165 | $21.3M |
| Clearwater Federal Credit Union | 81-0289023 | Missoula | 7 | 469 | $20.9M |
| A&E Design, Inc. | 81-0468180 | Billings | 1 | 118 | $20.6M |
| Whitefish Credit Union Association | 81-0208730 | Whitefish | 3 | 615 | $19.9M |
| Crown Enterprises, Inc. | 81-0304838 | Kalispell | 2 | 187 | $19.6M |
| Ballard Petroleum Holdings LLC | 84-1386329 | Billings | 1 | 45 | $19.5M |
| Barrett Hospital & Healthcare | 26-4230898 | Dillon | 2 | 426 | $19.4M |
| DJ&a, P.C. | 81-0524186 | Missoula | 5 | 455 | $19.3M |
| Glacier Medical Associates | 81-0350909 | Whitefish | 1 | 66 | $19.2M |
| WGM Group, Inc. | 81-0382876 | Missoula | 1 | 102 | $19.1M |
| Feist Watson Enterprises | 81-0379981 | Missoula | 2 | 433 | $18.9M |
| Student Assistance Foundation of MT | 81-0527529 | Helena | 1 | 33 | $18.7M |
| Boone Karlberg Employee P/S Plan | 81-0522567 | Missoula | 1 | 39 | $18.5M |
| Browning, Kaleczyc, Berry & Hoven, P.C. | 81-0431116 | Helena | 1 | 42 | $18.4M |
| Montana State University Foundation, Inc. | 81-6001649 | Bozeman | 2 | 72 | $18.3M |
| Investech Research, LLC | 26-2228079 | Whitefish | 1 | 17 | $18.0M |
| Brown Law Firm, P.C. | 81-0381072 | Billings | 1 | 26 | $18.0M |
| Langlas & Associates, Inc. | 42-1037529 | Billings | 1 | 181 | $17.8M |
| Submittable Holdings Inc. | 47-5485414 | Missoula | 2 | 336 | $17.7M |
| Loenbro, LLC. | 38-3924889 | Black Eagle | 2 | 2,183 | $17.3M |
| Pepsi-Cola Bottling Company of Billings | 81-0272866 | Billings | 1 | 75 | $16.9M |
EINs are drawn from the Form 5500 the employer filed with the U.S. Department of Labor. An employer’s EIN is the same across all of its plans — open a filing to confirm the sponsor name and address before relying on it.
How to find an employer’s EIN in Montana
Every employer that sponsors a retirement or health plan files a Form 5500 that lists its nine-digit Employer Identification Number. Find a Montana company in the table above, or run a Form 5500 search by company name to pull the filing and read the EIN directly from it.
For a broader view of plans in the state — including industry breakdowns and the largest plans by assets — see Form 5500 plans in Montana. New to these filings? Start with What is Form 5500?
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