Licensed contractors in Columbia, MD
61 current Virginia contractor licenses in Columbia, MD, in the DPOR lists of October 2, 2026.
| Contractor | License | First classification | Expires |
|---|---|---|---|
| A-1 ROOFING SERVICES INC | 2705158457 | Roofing | Sep 30, 2027 |
| AMERICAN POOL SERVICE INC | 2705082139 | Commercial building | Sep 30, 2028 |
| ARCO DB COMPANIES INC | 2705183610 | Commercial building | May 31, 2028 |
| ARK SYSTEMS INC | 2705036782 | SPR | Jan 31, 2027 |
| ASSOCIATES PLUMBING INC | 2705002111 | Plumbing | May 31, 2027 |
| ATI INC | 2705190866 | Commercial building | Jun 30, 2028 |
| AURORA ENERGY INC | 2705134086 | Alternative energy system | May 31, 2028 |
| BELTWAY ROOFING LLC | 2705193075 | Roofing | Oct 31, 2026 |
| BEST BUY WATERPROOFING LLC | 2705181014 | Residential building | Nov 30, 2027 |
| BOPAT ELECTRIC CO INC | 2705034486 | Electrical | May 31, 2027 |
| C B FLOORING LLC | 2705084696 | Commercial improvement | May 31, 2028 |
| CABINET DISCOUNTERS INC | 2705034061 | Home improvement | Mar 31, 2027 |
| CAMSON CONSTRUCTION INC | 2705024965 | Commercial building | Jul 31, 2028 |
| CAPITOL SPRINKLER CONTRACTING INC | 2705016458 | Landscape irrigation | May 31, 2027 |
| CECO INC | 2705050084 | Electrical | Aug 31, 2027 |
| CITIROOF CORPORATION | 2705039009 | Commercial improvement | Aug 31, 2027 |
| CLEAN AIR INC | 2705195110 | HVAC | Feb 28, 2027 |
| CLIPPER CONSTRUCTION LLC | 2705182954 | Commercial improvement | Mar 31, 2028 |
| COSTELLO CONSTRUCTION OF MARYLAND INC | 2705039291 | Residential building | May 31, 2027 |
| CRYSTAL EXTERIORS LLC | 2705175469 | Home improvement | Jun 30, 2028 |
| CT/HX LLC | 2705136684 | Highway/heavy | Feb 28, 2027 |
| DMV VERIFIED CONTRACTING LLC | 2705194289 | Home improvement | Dec 31, 2026 |
| FIRST FINISH LLC | 2705072155 | Commercial improvement | Nov 30, 2026 |
| GRIFFITH ENERGY SERVICES INC | 2705063792 | Plumbing | Jul 31, 2027 |
| HARKINS BUILDERS INC | 2705037000 | Residential building | Jun 30, 2028 |
| HAVTECH SERVICE LLC | 2705178560 | HVAC | May 31, 2027 |
| HJS ELECTRIC LLC | 2705188905 | Electrical | May 31, 2028 |
| HUMPHREY RICH CONSTRUCTION GROUP INC | 2705071240 | Residential building | Sep 30, 2028 |
| IMEC GROUP LLC | 2705151342 | Residential building | Jul 31, 2027 |
| INSPECTION EXPERTS INC | 2705165131 | Asbestos | Apr 30, 2028 |
| INTEGRATED TECHNOLOGIES GROUP LTD | 2705123796 | Electrical | Jan 31, 2027 |
| JOHNSTON DOOR SERVICES LLC | 2705180802 | Commercial improvement | Jul 31, 2028 |
| KASCON INC | 2705053708 | Residential building | Jan 31, 2028 |
| KESWICK BUILDERS LLC | 2705162972 | Residential building | Jan 31, 2027 |
| LB&B ASSOCIATES INC | 2705056569 | Residential building | May 31, 2028 |
| LIBERTY WINDOWS AND SIDING INC. | 2705153484 | Residential building | May 31, 2028 |
| LLOYD PLUMBING CORPORATION | 2705104857 | Plumbing | Apr 30, 2028 |
| MANEKIN CONSTRUCTION LLC | 2705187092 | Commercial building | May 31, 2027 |
| MECCO LLC | 2705029053 | Plumbing | Dec 31, 2026 |
| MIDPOINT TECHNOLOGY GROUP LLC | 2705161148 | Electronic/communication service | Jul 31, 2028 |
| MONUMENTAL CONTRACTORS LLC | 2705187195 | Residential building | Jul 31, 2027 |
| NICHOLS CONTRACTING INC | 2705026720 | Residential building | Feb 28, 2027 |
| NU LOOK HOME DESIGN INVESTMENT LLC | 2705190668 | Commercial improvement | May 31, 2028 |
| ONE DAY ROOFING LLC | 2705185519 | Roofing | Nov 30, 2026 |
| ONE SOURCE WINDOW SYSTEMS LLC | 2705119365 | Commercial improvement | Dec 31, 2027 |
| PATRIOT ROOFING SERVICES LLC | 2705183132 | Home improvement | Apr 30, 2028 |
| PETER FORREST & HENRY N FORREST | 2705001051 | Painting and wallcovering | Apr 30, 2027 |
| PRIME FIRE PROTECTION LLC | 2705179973 | SPR | May 31, 2027 |
| PULLMAN POWER LLC | 2705081659 | Commercial building | Jan 31, 2028 |
| QUICK SERVANT COMPANY INC | 2705131033 | HVAC | Sep 30, 2028 |
| REBUILD INC | 2705147023 | Commercial improvement | Jun 30, 2028 |
| REICH CONSTRUCTION LLC | 2705200694 | Commercial building | Apr 30, 2028 |
| ROSAMS PAINTING CO | 2705177289 | Home improvement | Nov 30, 2026 |
| RUACH HOME SERVICESS LLC | 2705181420 | Residential building | Jul 31, 2028 |
| SMITH MECHANICAL INC | 2705150967 | HVAC | Jun 30, 2027 |
| STANDARD ENERGY SOLUTIONS LLC | 2705171548 | Electrical | Mar 31, 2028 |
| STRUCTURAL PRESERVATION SYSTEMS LLC | 2705100474 | Commercial building | Dec 31, 2027 |
| STRUCTURAL TECHNOLOGIES LLC | 2705052578 | Highway/heavy | Oct 31, 2027 |
| SUN TECHNICAL SERVICES INC | 2705049964 | Commercial improvement | May 31, 2027 |
| TECH SITE SERVICES LLC | 2705177059 | HVAC | Nov 30, 2026 |
| WALLACE CONSULTING & CONSTRUCTION INC | 2705167642 | Commercial building | Jan 31, 2027 |
Alphabetical order — this site ranks no one. Current licenses in the Virginia DPOR regulant lists downloaded on October 2, 2026. A contractor licensed under a personal name is found by license number only. How to read this.