The 25 contractors pulling the most building permits in St. Louis, ranked by PermitStack's activity score — built from 768,623 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | CHESTERFIELD FENCE & DECK CO | 1,029 | 83 | addition, fence, interior_remodel | Mar 2026 |
| 2 | EASTER FENCE INC | 722 | 80 | fence, interior_remodel, renovation | Mar 2026 |
| 3 | THOMAS CONSTRUCTION | 585 | 99 | addition, demolition, electrical | Aug 2017 |
| 4 | WARREN SIGN CO | 526 | 81 | addition, fence, interior_remodel | Mar 2026 |
| 5 | ISC Contracting | 486 | 85 | addition, demolition, fence | Sep 2026 |
| 6 | PIROS SIGNS INC | 484 | 86 | interior_remodel, renovation, roofing | Apr 2026 |
| 7 | WAYNE AUTOMATIC SPRINKLER CORP | 426 | 80 | addition, fire_alarm, interior_remodel | May 2026 |
| 8 | A-1 Sign Co. | 417 | 78 | interior_remodel, renovation, roofing | Apr 2026 |
| 9 | LAWRENCE FABRIC STRUCTURES, INC. | 407 | 63 | interior_remodel, renovation, roofing | May 2023 |
| 10 | BULLOCK GARAGES, INC | 384 | 63 | addition, fence, new_construction | Apr 2014 |
| 11 | KAEMMERLEN ELECTRIC | 351 | 80 | addition, electrical, fire_alarm | Sep 2026 |
| 12 | INTERFACE CONSTRUCTION | 349 | 78 | addition, demolition, fence | Mar 2026 |
| 13 | BSI CONSTRUCTORS, INC. | 263 | 78 | addition, demolition, fence | Apr 2026 |
| 14 | MCGRATH & ASSOCIATES INC | 254 | 79 | addition, demolition, electrical | Sep 2026 |
| 15 | CENTURY FIRE SPRINKLERS INC. | 251 | 82 | addition, electrical, fire_alarm | Feb 2026 |
| 16 | FIRE PROTECTION SYSTEMS CO | 247 | 93 | addition, demolition, electrical | Aug 2025 |
| 17 | Pyramid Construction | 245 | 95 | addition, demolition, electrical | Nov 2007 |
| 18 | CLYMER CONSTRUCTION | 243 | 67 | addition, demolition, fence | Oct 2024 |
| 19 | KIRKWOOD FENCE CO., INC | 240 | 76 | fence, pool, renovation | Oct 2026 |
| 20 | TURNER-BAILEY, INC | 230 | 49 | fence, interior_remodel, renovation | Oct 2013 |
| 21 | EXCEL FIRE PROTECTION INC | 228 | 88 | addition, demolition, fire_alarm | Sep 2026 |
| 22 | WOODS BASEMENT SYSTEMS | 226 | 74 | addition, foundation, interior_remodel | Feb 2026 |
| 23 | RENEWAL BY ANDERSEN LLC | 214 | 100 | addition, demolition, electrical | Sep 2026 |
| 24 | PARIC CORPORATION | 212 | 82 | addition, demolition, electrical | Sep 2025 |
| 25 | VOLK CONSTRUCTION | 211 | 54 | addition, demolition, electrical | May 2017 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in St. Louis.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=MO&sort=score