The 25 contractors pulling the most building permits in Philadelphia, ranked by PermitStack's activity score — built from 938,976 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | 1 800 HEATERS INC | 9,601 | 83 | addition, hvac, interior_remodel | Oct 2026 |
| 2 | BEST CHOICE PLUMBING, LLC | 6,662 | 92 | addition, demolition, electrical | Oct 2026 |
| 3 | MR D'S PLUMBING & HEATING | 5,908 | 61 | hvac, interior_remodel, plumbing | Oct 2026 |
| 4 | B. M. CONSULTING SERVICES INC. | 5,827 | 61 | addition, demolition, electrical | Oct 2026 |
| 5 | SHEGDA CONSTRUCTION CORP | 4,692 | 61 | addition, demolition, electrical | Oct 2026 |
| 6 | Oliver Sprinkler Co., Inc. | 4,428 | 82 | addition, demolition, electrical | Oct 2026 |
| 7 | BILL FRUSCO PLUMBING & HEATING | 4,181 | 61 | addition, electrical, hvac | Oct 2026 |
| 8 | ONEIDA FIRE PROTECTION INC | 3,710 | 61 | addition, electrical, fire_alarm | Oct 2026 |
| 9 | ROTO ROOTER SERVICES COMPANY | 3,033 | 97 | addition, electrical, foundation | Mar 2020 |
| 10 | PosiGen Provider LLC | 2,991 | 55 | electrical | Aug 2025 |
| 11 | JACK EDMONDSON, INC. | 2,906 | 61 | addition, electrical, hvac | Oct 2026 |
| 12 | LOR-MAR MECHANICAL SERVICES | 2,890 | 61 | addition, demolition, electrical | Oct 2026 |
| 13 | AL-KAUN CO | 2,796 | 61 | addition, hvac, mechanical | Oct 2026 |
| 14 | GENERATION 3 ELECTRIC INC | 2,556 | 61 | addition, electrical, ev_charger | Oct 2026 |
| 15 | ROTO-ROOTER SERVICE CO. INC. | 2,467 | 81 | addition, interior_remodel, plumbing | Oct 2026 |
| 16 | GUARANTEED PLUMBING INC | 2,405 | 99 | addition, electrical, hvac | Mar 2020 |
| 17 | ROBERT GOODMAN INC | 2,339 | 76 | foundation, hvac, interior_remodel | Oct 2026 |
| 18 | Aqueduct Fire Protection Systems, LLC | 2,143 | 61 | addition, electrical, fire_alarm | Oct 2026 |
| 19 | HATZEL & BUEHLER INC | 2,081 | 92 | addition, battery, demolition | Oct 2026 |
| 20 | PLUMB-TECH LLC | 2,075 | 82 | addition, electrical, interior_remodel | Oct 2026 |
| 21 | DR BUILDERS 35 LLC | 1,954 | 61 | addition, demolition, electrical | Oct 2026 |
| 22 | P & L PLUMBING INC | 1,928 | 56 | hvac, interior_remodel, plumbing | Dec 2009 |
| 23 | Baldwin Electrical Construction LLc | 1,891 | 61 | electrical, ev_charger, hvac | Oct 2026 |
| 24 | EAGLE ELECTRICAL CONSTRUCTION CO INC | 1,791 | 61 | electrical, ev_charger, hvac | Oct 2026 |
| 25 | DANIELS CONTRACTING OF PHILADELPHIA | 1,626 | 61 | addition, plumbing | Oct 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 Philadelphia.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=PA&sort=score