The 25 contractors pulling the most building permits in Naperville, ranked by PermitStack's activity score — built from 11,264 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | STAAR CORP | 54 | 65 | electrical | Jun 2026 |
| 2 | MAC Electrical, LLC | 34 | 63 | electrical, fire_alarm | Apr 2025 |
| 3 | DIRECT LINE COMMUNICATIONS INC | 27 | 42 | — | Jun 2026 |
| 4 | HARTLAND PLUMBING | 26 | 61 | — | Jun 2026 |
| 5 | Complete Solar | 22 | 100 | addition, battery, electrical | Dec 2025 |
| 6 | RAINMAKERS IRRIGATION & MAINTENANCE, INC | 21 | 62 | plumbing | May 2026 |
| 7 | GRAY'S PLUMBING | 18 | 72 | addition, interior_remodel, plumbing | May 2026 |
| 8 | Ranger Exteriors, Inc. | 18 | 62 | roofing | Oct 2025 |
| 9 | TESLA INC | 17 | 100 | addition, battery, demolition | Jun 2026 |
| 10 | DIRECTIONAL CONSTRUCTION SERVICES | 15 | 55 | new_construction, renovation | Jul 2026 |
| 11 | Carlisle Utility Contractors, Inc. | 15 | 41 | — | Jun 2026 |
| 12 | CAMPTON PLUMBING LLC | 13 | 56 | — | May 2026 |
| 13 | VELOCITY ELECTRIC LLC | 12 | 66 | addition, electrical, interior_remodel | Jun 2026 |
| 14 | NAPERVILLE ELECTRICAL CONTRACTORS | 12 | 61 | addition, demolition, interior_remodel | Nov 2025 |
| 15 | C B CONLIN LANDSCAPES INC | 11 | 60 | addition, electrical, pool | Oct 2025 |
| 16 | PULTE HOMES | 10 | 100 | addition, electrical, fence | Jun 2026 |
| 17 | VS Contractors LLC | 10 | 46 | — | May 2025 |
| 18 | MJP ELECTRICAL EXPERTS INC | 9 | 52 | electrical, ev_charger | Jun 2026 |
| 19 | PEERLESS ENTERPRISES | 8 | 100 | addition, demolition, fence | Jun 2026 |
| 20 | ILLINOIS FENCE COMPANY | 8 | 86 | addition, fence | Aug 2025 |
| 21 | M/I HOMES | 8 | 85 | addition, demolition, electrical | May 2026 |
| 22 | GARY SPIELMAN PLUMBING INC | 8 | 66 | electrical, fire_alarm, interior_remodel | Feb 2026 |
| 23 | TP Laser Construction Inc | 8 | 55 | fire_alarm, interior_remodel, sign | Aug 2025 |
| 24 | R.S. SERVICE SYSTEMS | 8 | 37 | — | Jun 2026 |
| 25 | EDGE ELECTRICAL SYSTEMS, LLC | 7 | 85 | addition, battery, electrical | Dec 2025 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in Naperville.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=IL&sort=score