The 25 contractors pulling the most building permits in Bismarck, ranked by PermitStack's activity score — built from 20,081 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | BISMARCK HEATING & AIR CONDITIONING | 1,568 | 86 | addition, hvac, mechanical | Jul 2026 |
| 2 | ADVANCED MECHANICAL | 967 | 100 | addition, electrical, hvac | Jul 2026 |
| 3 | NORTHERN PLAINS HEATING & AIR | 805 | 85 | addition, hvac, interior_remodel | Jul 2026 |
| 4 | COOLING & HEATING UNLIMITED INC | 581 | 82 | addition, hvac, mechanical | Jul 2026 |
| 5 | T & M Electric | 520 | 100 | addition, demolition, electrical | Jul 2026 |
| 6 | OZTECH, LLC | 446 | 56 | addition, battery, demolition | Jul 2026 |
| 7 | KELLER HEARTH'N HOME PRODUCTS | 316 | 76 | addition, mechanical, plumbing | Jul 2026 |
| 8 | FETZER ELECTRIC | 268 | 71 | addition, demolition, electrical | Jul 2026 |
| 9 | REDLINE PLUMBING HEATING & AIR | 237 | 76 | plumbing | Jul 2026 |
| 10 | J.E. HOMES, LLC | 232 | 78 | addition, demolition, foundation | Jul 2026 |
| 11 | MANN SIGNS INC | 230 | 77 | fence, sign | Jul 2026 |
| 12 | RK ELECTRIC LLC | 196 | 92 | addition, demolition, electrical | Jul 2026 |
| 13 | APPLE CREEK ELECTRIC | 156 | 67 | addition, electrical, fire_alarm | Jul 2026 |
| 14 | BISMARCK SIGN CO. LLC | 146 | 73 | sign | Jul 2026 |
| 15 | ELECTRIC SYSTEMS LLC | 142 | 70 | addition, electrical, fire_alarm | Jun 2026 |
| 16 | WESTERN EDGE HEATING & AIR | 137 | 71 | hvac, mechanical, new_construction | Jul 2026 |
| 17 | HEBRON BRICK SUPPLY CO. | 123 | 71 | interior_remodel, mechanical, plumbing | Jul 2026 |
| 18 | SKEELS ELECTRIC COMPANY | 123 | 50 | addition, electrical, ev_charger | Jul 2026 |
| 19 | TITAN PLUMBING | 122 | 84 | plumbing | Jul 2026 |
| 20 | NORTHWEST CONTRACTING INC | 117 | 77 | addition, fire_alarm, foundation | Jul 2026 |
| 21 | ED'S HEATING & AIR, INC | 111 | 79 | addition, hvac, interior_remodel | Jul 2026 |
| 22 | INNOVATIVE MECHANICAL SOLUTIONS, LLC | 110 | 68 | electrical, hvac, mechanical | Nov 2025 |
| 23 | PRAIRIE VIEW EXCAVATING LLC | 110 | 47 | grading, plumbing, renovation | Jan 2026 |
| 24 | SATTLER HOMES INC | 107 | 79 | addition, electrical, foundation | Jul 2026 |
| 25 | BEN'S ELECTRIC | 105 | 76 | electrical, interior_remodel, mechanical | Jul 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