The 25 contractors pulling the most building permits in NYC (DOB Permit Issuance, legacy BIS), ranked by PermitStack's activity score — built from 3,989,960 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | STRUCTURE TONE LLC | 21,726 | 100 | addition, battery, demolition | Jun 2025 |
| 2 | ROCKLEDGE SCAFFOLD CORP | 15,207 | 100 | demolition, fence, fire_alarm | Jul 2026 |
| 3 | EVEREST SCAFFOLDING INC | 14,988 | 72 | demolition, fence, hvac | Mar 2022 |
| 4 | SPRING SCAFFOLDING LLC | 11,710 | 99 | battery, demolition, electrical | Jun 2026 |
| 5 | PAR PLUMBING | 11,638 | 100 | addition, battery, demolition | Mar 2026 |
| 6 | PRO CUSTOM SOLAR LLC | 8,604 | 99 | addition, electrical, interior_remodel | Sep 2025 |
| 7 | THE PLUMBING COMPANY, INC. | 7,613 | 99 | addition, fire_alarm, hvac | Aug 2012 |
| 8 | NORTH SHORE NEON SIGN LLC | 7,367 | 100 | foundation, hvac, interior_remodel | Jan 2023 |
| 9 | ORBIT PLBG & HTG INC | 6,282 | 97 | electrical, fire_alarm, hvac | Aug 2026 |
| 10 | WDF INC | 6,183 | 95 | addition, demolition, electrical | Jul 2026 |
| 11 | LEHR CONSTRUCTION | 5,955 | 46 | addition, fire_alarm, hvac | Apr 2011 |
| 12 | Venture Home Solar, LLC. | 5,881 | 100 | electrical, ev_charger, hvac | Apr 2024 |
| 13 | PACE PLUMBING | 5,495 | 93 | addition, demolition, electrical | Mar 2025 |
| 14 | SIRINA FIRE PROT CORP | 5,466 | 95 | addition, demolition, electrical | Jul 2026 |
| 15 | ORION PLUMBING & HTG CORP | 5,392 | 46 | fire_alarm, hvac, plumbing | Nov 2017 |
| 16 | Plaza Construction | 5,300 | 100 | addition, demolition, electrical | Jul 2026 |
| 17 | TISHMAN CONSTRUCTION CORP | 4,795 | 97 | addition, demolition, electrical | Jul 2026 |
| 18 | OUTDOOR INSTALLATIONS LLC | 4,787 | 41 | hvac, renovation | Sep 2011 |
| 19 | Master Fire Prevention Systems, Inc | 4,766 | 63 | fire_alarm, hvac, interior_remodel | Oct 2008 |
| 20 | HIGH QUALITY CONSTRUCTION CO | 4,487 | 93 | addition, demolition, electrical | Mar 2026 |
| 21 | PRECISION PLBG SVCS., INC | 4,429 | 66 | demolition, electrical, fire_alarm | Feb 2020 |
| 22 | TURNER CONSTRUCTION COMPA | 4,421 | 89 | addition, demolition, electrical | Feb 2026 |
| 23 | DUO PLUMBING & HEATING CORP | 4,334 | 50 | fire_alarm, hvac, plumbing | Nov 2008 |
| 24 | SAFWAY ATLANTIC, LLC | 4,268 | 90 | demolition, electrical, fence | Jun 2026 |
| 25 | HENEGAN CONSTRUCTION CO., | 4,085 | 77 | addition, demolition, electrical | Aug 2021 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in NYC (DOB Permit Issuance, legacy BIS).
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=NY&sort=score