The 25 contractors pulling the most building permits in Horry County, ranked by PermitStack's activity score — built from 219,023 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | ONE HOUR HEATING & AIR | 105 | 85 | electrical, hvac, mechanical | Jun 2026 |
| 2 | AMERICAN RESIDENTIAL SERVICES | 103 | 100 | addition, demolition, electrical | Jun 2026 |
| 3 | Swift Services Heating & Cooling | 71 | 84 | electrical, hvac, interior_remodel | Jun 2026 |
| 4 | J & J Air, LLC | 15 | 77 | addition, hvac, interior_remodel | Jun 2026 |
| 5 | QUALITY POOLS & SPAS INC | 12 | 82 | addition, interior_remodel, new_construction | May 2026 |
| 6 | COASTAL REFRIGERATION SERVICE INC | 10 | 78 | hvac, mechanical, plumbing | May 2026 |
| 7 | BROGDON ELECTRIC | 10 | 64 | electrical, renovation | Jul 2026 |
| 8 | All Star Pool Company, LLC | 9 | 61 | pool | May 2026 |
| 9 | Melton Electric, INC | 8 | 100 | addition, electrical, interior_remodel | May 2026 |
| 10 | ASL SIGN SERVICES LLC | 8 | 69 | addition, electrical, sign | May 2026 |
| 11 | BROTHERS POOL CONSTRUCTION | 7 | 70 | interior_remodel, pool | Jun 2026 |
| 12 | Star Pools LLC | 7 | 59 | pool | May 2026 |
| 13 | J & M ELECTRICAL SERVICE | 6 | 79 | electrical, renovation | May 2026 |
| 14 | PALMETTO FIRE SERVICES | 6 | 58 | electrical, fire_alarm | Jun 2026 |
| 15 | West Shore Home, LLC | 5 | 100 | addition, demolition, electrical | May 2026 |
| 16 | Murphy Construction Co., Inc. | 5 | 90 | addition, demolition, electrical | Jun 2026 |
| 17 | Warren-Hay Mechanical Contractors, LLC | 5 | 71 | electrical, hvac, interior_remodel | May 2026 |
| 18 | EXCEL CUSTOM BUILDERS, LLC | 5 | 62 | addition, electrical, interior_remodel | Jun 2026 |
| 19 | CHANCEL CONSTRUTION INC | 5 | 60 | electrical, interior_remodel | Jun 2026 |
| 20 | TNT HEATING & AIR, INC | 5 | 55 | hvac | May 2026 |
| 21 | HAROLDS AC REPAIR SERVICE | 5 | 52 | hvac | May 2026 |
| 22 | RENEWAL BY ANDERSEN LLC | 4 | 100 | addition, demolition, electrical | May 2026 |
| 23 | COASTLINE ELECTRIC | 4 | 89 | electrical, foundation, interior_remodel | Jun 2026 |
| 24 | Haynes Sign Company | 4 | 75 | sign | Jun 2026 |
| 25 | MANCILL LLC | 4 | 75 | electrical, fire_alarm, new_construction | Jul 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 Horry County.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=SC&sort=score