The 25 contractors pulling the most building permits in Helena, ranked by PermitStack's activity score — built from 44,149 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | BIG SKY PLUMBING AND HEATING | 234 | 74 | electrical, mechanical, plumbing | Jun 2026 |
| 2 | NORTHWESTERN ENERGY | 178 | 49 | — | May 2025 |
| 3 | Three Brothers Plumbing and Heating | 121 | 69 | interior_remodel, mechanical, plumbing | Jun 2026 |
| 4 | Eagle Electric, LLC | 119 | 75 | electrical, interior_remodel, solar | Jun 2026 |
| 5 | Christman Roofing Inc | 119 | 62 | interior_remodel, roofing | Jun 2024 |
| 6 | GOLDEN EAGLE CONSTRUCTION | 115 | 76 | addition, demolition, electrical | Jun 2026 |
| 7 | Intermountain Heating and Air Cond | 115 | 64 | electrical, mechanical | Nov 2024 |
| 8 | DICK ANDERSON CONSTRUCTION INC | 100 | 79 | addition, demolition, electrical | Jun 2026 |
| 9 | Bulkley Electric | 85 | 69 | electrical | Jun 2026 |
| 10 | Montana City Plumbing and Heating | 79 | 66 | mechanical, plumbing | Jun 2026 |
| 11 | INTEGRITY ELECTRICAL CONTRACTORS LLC | 78 | 72 | electrical, renovation | Jun 2026 |
| 12 | Solar Montana | 76 | 69 | electrical, interior_remodel | Jun 2026 |
| 13 | Perschon Contractors Inc | 74 | 69 | roofing | Jun 2026 |
| 14 | TRI-COUNTY MECHANICAL INC | 67 | 78 | addition, electrical, hvac | Apr 2015 |
| 15 | J Lyman Roofing | 66 | 67 | roofing | Jun 2026 |
| 16 | Purelight Power | 64 | 97 | battery, electrical, interior_remodel | Apr 2025 |
| 17 | WEATHERALL BUILDERS INC | 60 | 70 | interior_remodel, mechanical, new_construction | Jun 2026 |
| 18 | SIERRA CUSTOM HOMES LLC | 57 | 75 | electrical, interior_remodel, mechanical | Jun 2026 |
| 19 | GOLD RUSH ELECTRIC INC | 55 | 69 | demolition, electrical, new_construction | Jun 2026 |
| 20 | Tillo Plumbing | 55 | 39 | mechanical, plumbing | May 2018 |
| 21 | Shedhorn Plumbing Inc | 54 | 61 | electrical, mechanical, plumbing | Jun 2026 |
| 22 | Diamond Construction | 45 | 89 | addition, demolition, electrical | Jun 2026 |
| 23 | AARONS PLUMBING & HEATING | 45 | 61 | mechanical, plumbing | Jun 2026 |
| 24 | Ascension Electric Corporation | 44 | 64 | electrical | Jun 2026 |
| 25 | APEX ELECTRIC, INC. | 43 | 98 | addition, demolition, electrical | Apr 2025 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in Helena.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=MT&sort=score