The 25 contractors pulling the most building permits in Ames, ranked by PermitStack's activity score — built from 121,439 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | C and K Inc | 200 | 79 | hvac, mechanical, plumbing | Oct 2026 |
| 2 | AKD PLUMBING LC | 65 | 47 | hvac, mechanical, plumbing | Sep 2026 |
| 3 | Neighbors Heating & Cooling | 62 | 73 | hvac, mechanical, plumbing | Oct 2026 |
| 4 | ONE HOUR HEATING & AIR | 57 | 88 | electrical, hvac, mechanical | Sep 2026 |
| 5 | BENJAMIN FRANKLIN PLUMBING | 53 | 100 | addition, electrical, ev_charger | Sep 2026 |
| 6 | AMES HEATING & COOLING | 38 | 44 | hvac, mechanical, plumbing | Oct 2026 |
| 7 | Jaspering Electric | 26 | 78 | electrical | Sep 2026 |
| 8 | Cable Plumbing | 21 | 63 | hvac, mechanical, plumbing | Sep 2026 |
| 9 | RES BUILDERS | 18 | 64 | addition, fence, new_construction | Sep 2026 |
| 10 | WATSON PLUMBING | 16 | 98 | addition, grading, hvac | Sep 2026 |
| 11 | DDM Electric Inc | 16 | 63 | electrical, hvac | Oct 2026 |
| 12 | SCHAAL PLUMBING, HEATING & COOLING | 14 | 91 | electrical, hvac, interior_remodel | Sep 2026 |
| 13 | Bussanmas Heating & Cooling | 12 | 90 | hvac, mechanical, plumbing | Sep 2026 |
| 14 | Kurrent Electric | 11 | 79 | electrical, solar | Sep 2026 |
| 15 | Speck Plumbing Inc | 11 | 40 | plumbing | Sep 2026 |
| 16 | NELSON ELECTRIC | 10 | 100 | addition, battery, demolition | Oct 2026 |
| 17 | INTEGRITY CONSTRUCTION | 9 | 93 | addition, demolition, electrical | Sep 2026 |
| 18 | TMJ CONSTRUCTION SERVICES LLC | 9 | 60 | addition, new_construction, roofing | Oct 2026 |
| 19 | CYCLONE CONTRACTING CO | 8 | 58 | addition, demolition, renovation | Sep 2026 |
| 20 | Hamilton Heating & Cooling | 7 | 55 | electrical, hvac, mechanical | Sep 2026 |
| 21 | VALOR HOME BUILDERS | 7 | 52 | addition | Sep 2026 |
| 22 | GREG WIRTH ELECTRIC LLC | 7 | 36 | electrical | Sep 2026 |
| 23 | BEELINE HEATING & COOLING | 7 | 36 | hvac, plumbing | Oct 2026 |
| 24 | Midwest Alarm Services | 6 | 70 | addition, fire_alarm, interior_remodel | Sep 2026 |
| 25 | Prairieland Homes | 6 | 59 | addition, new_construction | 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 Ames.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=IA&sort=score