The 21 contractors pulling the most building permits in Rockford, ranked by PermitStack's activity score — built from 25,353 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | Helm Electric Facility Solutions | 642 | 80 | electrical | Sep 2026 |
| 2 | Sunrun Installation Services, Inc | 523 | 100 | addition, battery, electrical | Sep 2026 |
| 3 | PEARSON PLUMBING & HEATING | 344 | 79 | hvac, interior_remodel, mechanical | Jul 2026 |
| 4 | Heather Landin Miller Engineering Co. | 161 | 76 | electrical, hvac, mechanical | Sep 2026 |
| 5 | JACKIE SZYMCZAK BLACK DIAMOND PLUMBING | 136 | 72 | electrical, hvac, mechanical | Sep 2026 |
| 6 | Total Plumbing & Heating Ltd | 109 | 88 | fire_alarm, hvac, mechanical | Sep 2026 |
| 7 | Bright Planet Solar | 96 | 99 | addition, battery, electrical | Jun 2024 |
| 8 | Iconic Energy Iconic Energy | 95 | 73 | electrical, solar | Aug 2026 |
| 9 | Advocate Construction Inc | 66 | 99 | hvac, new_construction, renovation | Oct 2025 |
| 10 | BUFALO CONTRACTING INC. | 66 | 71 | renovation, roofing | Sep 2026 |
| 11 | Pearson Plumbing and Heating | 65 | 57 | mechanical, plumbing | Dec 2024 |
| 12 | PEASON PLUMBING & HEATING | 59 | 55 | hvac, plumbing | Jun 2024 |
| 13 | Solar Tron | 50 | 67 | electrical, solar | Aug 2026 |
| 14 | Restoration LLC Pro | 50 | 67 | roofing | Sep 2026 |
| 15 | STENES CONTRACTORS INC | 47 | 67 | demolition, electrical, hvac | Sep 2026 |
| 16 | SAFE GUARD EXTERIORS LLC | 45 | 70 | renovation, roofing | Aug 2026 |
| 17 | NELSON FIRE PROTECTION CO | 38 | 79 | addition, fire_alarm, hvac | Sep 2026 |
| 18 | First Rockford Apartments LLC | 38 | 57 | demolition | Apr 2025 |
| 19 | SOMBREROS ROOFING LLC | 36 | 66 | interior_remodel, roofing | Sep 2026 |
| 20 | One Earth Solar | 33 | 81 | electrical, solar | Sep 2026 |
| 21 | Automatic Fire Systems Inc. | 32 | 74 | addition, demolition, fire_alarm | Aug 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 Rockford.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=IL&sort=score