The 25 contractors pulling the most building permits in Sioux City, ranked by PermitStack's activity score — built from 44,623 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | FARRELL'S HEATING & COOLING | 1,148 | 60 | mechanical | Sep 2026 |
| 2 | PINNACLE HEATING & COOLING INC | 1,067 | 78 | interior_remodel, mechanical, new_construction | Sep 2026 |
| 3 | KEVIN O'DELL ELECTRIC, INC. | 1,026 | 61 | electrical | Sep 2026 |
| 4 | MORNINGSIDE PLBG INC/CORBIN,IN | 956 | 53 | interior_remodel, mechanical, plumbing | Feb 2020 |
| 5 | Excel Comfort LLC | 640 | 77 | addition, mechanical, plumbing | Sep 2026 |
| 6 | ANDERSON HEATING & COOLING/GMA | 580 | 58 | mechanical | Sep 2026 |
| 7 | ALBENESIUS MARK INC | 549 | 74 | addition, demolition, plumbing | Jul 2026 |
| 8 | SUTER, CW AND SON, INC | 540 | 53 | interior_remodel, mechanical | Jan 2018 |
| 9 | ACE SIGN CO | 523 | 81 | foundation, interior_remodel, sign | Oct 2026 |
| 10 | O'CONNOR HEATING & COOLING | 447 | 75 | foundation, interior_remodel, mechanical | Sep 2026 |
| 11 | VAKULSKAS LP | 429 | 72 | addition, electrical | Sep 2026 |
| 12 | Tri State Plumbing Inc | 376 | 94 | hvac, interior_remodel, mechanical | Aug 2026 |
| 13 | THOMPSON ELECTRIC COMPANY | 371 | 83 | addition, electrical, fire_alarm | Sep 2026 |
| 14 | SIOUXLAND HEATING & COOLING | 352 | 55 | mechanical, plumbing, renovation | Sep 2026 |
| 15 | HEBERT CONSTRUCTION INC | 347 | 89 | addition, demolition, electrical | Aug 2026 |
| 16 | CALL INC/ROB BESCH OWNER | 336 | 55 | plumbing, renovation | Oct 2026 |
| 17 | SUPERIOR PLUMBING & HEATING | 268 | 78 | fire_alarm, hvac, mechanical | Aug 2026 |
| 18 | THRASHER INC | 210 | 100 | addition, electrical, fence | Sep 2026 |
| 19 | DEROCHER SERVICE CO. | 204 | 43 | mechanical | Nov 2024 |
| 20 | SPEEDY ROOTER PLUMBING, INC | 201 | 28 | plumbing, renovation | Jun 2019 |
| 21 | NYSTROM ELECTRIC CO | 186 | 67 | demolition, electrical | Sep 2026 |
| 22 | AVERY BROTHERS SIGN COMPANY | 164 | 71 | foundation, sign | Oct 2026 |
| 23 | MPIRE HEATING AND COOLING, LLC | 164 | 51 | mechanical, plumbing, renovation | Sep 2026 |
| 24 | LEWIS ELECTRICAL | 160 | 74 | electrical, ev_charger, hvac | Jul 2026 |
| 25 | AVERY BROTHERS LLC DBA AVERY | 154 | 50 | foundation, sign | Jan 2023 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in Sioux City.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=IA&sort=score