The 25 contractors pulling the most building permits in Bismarck, ranked by PermitStack's activity score — built from 21,579 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | BISMARCK HEATING & AIR CONDITIONING | 1,629 | 86 | hvac, mechanical, plumbing | Sep 2026 |
| 2 | ADVANCED MECHANICAL | 1,013 | 100 | electrical, hvac, interior_remodel | Sep 2026 |
| 3 | NORTHERN PLAINS HEATING & AIR | 851 | 85 | hvac, interior_remodel, mechanical | Sep 2026 |
| 4 | COOLING & HEATING UNLIMITED INC | 599 | 82 | hvac, mechanical, plumbing | Sep 2026 |
| 5 | T & M Electric | 563 | 100 | addition, electrical, hvac | Sep 2026 |
| 6 | OZTECH, LLC | 480 | 57 | battery, electrical, hvac | Sep 2026 |
| 7 | KELLER HEARTH'N HOME PRODUCTS | 324 | 77 | mechanical, plumbing, pool | Sep 2026 |
| 8 | FETZER ELECTRIC | 273 | 71 | electrical, fire_alarm, hvac | Sep 2026 |
| 9 | J.E. HOMES, LLC | 245 | 78 | addition, demolition, foundation | Sep 2026 |
| 10 | REDLINE PLUMBING HEATING & AIR | 243 | 76 | plumbing | Sep 2026 |
| 11 | MANN SIGNS INC | 237 | 77 | fence, new_construction, sign | Sep 2026 |
| 12 | RK ELECTRIC LLC | 229 | 93 | addition, electrical, ev_charger | Sep 2026 |
| 13 | APPLE CREEK ELECTRIC | 158 | 67 | electrical, fire_alarm, new_construction | Aug 2026 |
| 14 | BISMARCK SIGN CO. LLC | 155 | 74 | sign | Sep 2026 |
| 15 | WESTERN EDGE HEATING & AIR | 150 | 72 | hvac, mechanical, plumbing | Sep 2026 |
| 16 | ELECTRIC SYSTEMS LLC | 146 | 70 | electrical, fire_alarm, hvac | Sep 2026 |
| 17 | TITAN PLUMBING | 131 | 86 | new_construction, plumbing, pool | Sep 2026 |
| 18 | SKEELS ELECTRIC COMPANY | 129 | 50 | electrical, ev_charger, hvac | Sep 2026 |
| 19 | HEBRON BRICK SUPPLY CO. | 124 | 72 | mechanical, plumbing | Aug 2026 |
| 20 | NORTHWEST CONTRACTING INC | 121 | 78 | addition, fire_alarm, foundation | Sep 2026 |
| 21 | ED'S HEATING & AIR, INC | 120 | 80 | addition, hvac, mechanical | Sep 2026 |
| 22 | SATTLER HOMES INC | 114 | 79 | addition, electrical, foundation | Sep 2026 |
| 23 | INNOVATIVE MECHANICAL SOLUTIONS, LLC | 110 | 70 | electrical, hvac, interior_remodel | Nov 2025 |
| 24 | PRAIRIE VIEW EXCAVATING LLC | 110 | 46 | grading, plumbing, renovation | Jan 2026 |
| 25 | BEN'S ELECTRIC | 109 | 81 | electrical, fire_alarm, interior_remodel | Sep 2026 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in Bismarck.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=ND&sort=score