The 25 contractors pulling the most building permits in Bismarck, ranked by PermitStack's activity score — built from 19,391 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | BISMARCK HEATING & AIR CONDITIONING | 1,487 | 86 | addition, hvac, mechanical | Jun 2026 |
| 2 | ADVANCED MECHANICAL | 923 | 86 | addition, hvac, interior_remodel | Jun 2026 |
| 3 | NORTHERN PLAINS HEATING & AIR | 786 | 84 | addition, hvac, interior_remodel | Jun 2026 |
| 4 | COOLING & HEATING UNLIMITED INC | 566 | 82 | addition, hvac, mechanical | Jun 2026 |
| 5 | T & M Electric | 505 | 60 | addition, demolition, electrical | Jun 2026 |
| 6 | OZTECH, LLC | 431 | 56 | addition, battery, demolition | Jun 2026 |
| 7 | KELLER HEARTH'N HOME PRODUCTS | 306 | 76 | addition, mechanical, plumbing | Jun 2026 |
| 8 | FETZER ELECTRIC | 262 | 70 | addition, demolition, electrical | Jun 2026 |
| 9 | REDLINE PLUMBING HEATING & AIR | 229 | 76 | plumbing | Jun 2026 |
| 10 | J.E. HOMES, LLC | 226 | 78 | addition, demolition, foundation | May 2026 |
| 11 | MANN SIGNS INC | 222 | 76 | fence, sign | Jun 2026 |
| 12 | RK ELECTRIC LLC | 177 | 52 | addition, demolition, electrical | Jun 2026 |
| 13 | APPLE CREEK ELECTRIC | 150 | 67 | addition, electrical, fire_alarm | Jun 2026 |
| 14 | BISMARCK SIGN CO. LLC | 143 | 73 | sign | Jun 2026 |
| 15 | ELECTRIC SYSTEMS LLC | 140 | 65 | addition, electrical, fire_alarm | Jun 2026 |
| 16 | WESTERN EDGE HEATING & AIR | 130 | 71 | hvac, mechanical, new_construction | Jun 2026 |
| 17 | SKEELS ELECTRIC COMPANY | 121 | 50 | addition, electrical, ev_charger | May 2026 |
| 18 | HEBRON BRICK SUPPLY CO. | 120 | 71 | interior_remodel, mechanical, plumbing | Jun 2026 |
| 19 | NORTHWEST CONTRACTING INC | 117 | 75 | addition, fire_alarm, foundation | Jun 2026 |
| 20 | TITAN PLUMBING | 113 | 74 | plumbing | Jun 2026 |
| 21 | INNOVATIVE MECHANICAL SOLUTIONS, LLC | 110 | 67 | hvac, mechanical, plumbing | Nov 2025 |
| 22 | PRAIRIE VIEW EXCAVATING LLC | 110 | 47 | grading, plumbing, renovation | Jan 2026 |
| 23 | ED'S HEATING & AIR, INC | 108 | 70 | hvac, mechanical, plumbing | May 2026 |
| 24 | SATTLER HOMES INC | 103 | 74 | addition, foundation, interior_remodel | Jun 2026 |
| 25 | LILLIS ELECTRIC, INC. | 103 | 49 | addition, electrical, hvac | Jun 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