Contractor permit directory

Contractors observed in Maryland county permit records, grouped from public filings. Our observation is not complete: not every filing names a contractor, so a firm's real activity is almost always greater than what appears here.

• SURF ELECTRIC LLC Electrical/Anne Arundel County, Howard County 3 permits/to Apr 2026
• SYMMETRY FIRST ARCHITECTS, LLC Fire Protection/Howard County 3 permits/to Jun 2026
• TARIO HVAC, LLC HVAC/Anne Arundel County, Howard County 3 permits/to Jun 2026
• T/B/D Plumbing/Howard County 3 permits/to Jul 2025
• T.C.N. CONTRACTING SERVICES, INC. Plumbing/Howard County 3 permits/to Jun 2024
• TECHNIC ELECTRIC LLC Electrical/Anne Arundel County, Howard County 3 permits/to Aug 2026
• THEESSENTIALIST LLC HVAC/Anne Arundel County, Howard County 3 permits/to Mar 2026
• THE LOUGHLIN-DAVIS CONTRACTING GROUP LLC Site/Howard County 3 permits/to Jul 2025
• THE MASTER'S CONSTRUCTION LLC Interior/Howard County 3 permits/to Aug 2026
• THE RUNNING ELECTRICIAN LLC Electrical/Anne Arundel County, Howard County 3 permits/to Jul 2026
• THE SANCHEZ BROTHERS HMS LLC Deck & Patio/Howard County 3 permits/to May 2026
• THOMAS E CLARK INC Plumbing/Howard County 3 permits/to Jun 2026
• TIDEWATER PLUMBING, INC. Plumbing/Anne Arundel County, Howard County 3 permits/to Aug 2026
• TK MECHANICAL, INC HVAC/Howard County 3 permits/to Oct 2025
• TOM ALLAN PLUMBING AND HEATING Plumbing/Howard County 3 permits/to Jul 2024
• TOTAL ENVIRONMENTAL CONCEPTS INC Site/Frederick County, Howard County 3 permits/to Jun 2026
• TOTAL MECHANICAL SERVICES HVAC/Anne Arundel County, Howard County 3 permits/to Sep 2026
• TP ELECTRIC & POWER LLC Electrical/Howard County 3 permits/to May 2024
• TRADEMARK ELECTRICAL SERVICES LLC Electrical/Howard County 3 permits/to Nov 2024
• TRENDS DESIGN GROUP LLC Plumbing/Howard County 3 permits/to Jul 2026
• TRI COUNTY FENCE AND DECKS Deck & Patio/Anne Arundel County, Howard County 3 permits/to May 2026
• TRIUMPH ELECTRICAL LLC Electrical/Frederick County, Howard County 3 permits/to Jun 2026
• T W BOYS CO INC Deck & Patio/Howard County 3 permits/to May 2026
• TWIST RITE ELECTRICAL SERVICE Electrical/Howard County 3 permits/to Sep 2025
• UNION ELECTRIC CO LLC Electrical/Anne Arundel County, Howard County 3 permits/to Jul 2026
• UNION STANDARD ELECTRIC, INC DBA WALPERT ELECTRIC Electrical/Howard County 3 permits/to Jul 2025
• United hvacr services HVAC/Howard County 3 permits/to Aug 2026
• US1 LAUNDROMAT Howard County 3 permits/to Jan 2025
• USA HVAC SERVICES HVAC/Anne Arundel County, Howard County 3 permits/to Aug 2026
• VALDIR MENDES INC Electrical/Howard County 3 permits/to Apr 2026
• VALLE BROTHERS REMODELING Deck & Patio/Anne Arundel County, Howard County 3 permits/to Mar 2026
• Van's Plumbing Llc Plumbing/Frederick County, Howard County 3 permits/to Mar 2024
• VELOCITY ENERGY AND HOME SOLUTIONS Solar/Howard County 3 permits/to Jul 2026
• VERTICAL MECHANICAL GROUP Plumbing/Frederick County, Howard County 3 permits/to Sep 2025
• VITEK ELECTRIC Pool & Spa/Anne Arundel County, Howard County 3 permits/to Aug 2026
• VOLTA ELECTRIC SERVICES LLC Electrical/Howard County 3 permits/to Apr 2025
• VSC FIRE & SEURITY INC Electrical/Howard County 3 permits/to Sep 2026
• WARREN CONSTRUCTION INC Accessory Structure/Anne Arundel County, Howard County 3 permits/to Feb 2026
• Westminster Electrical Service Electrical/Howard County 3 permits/to Nov 2025
• WIKE'S ELECTRIC LLC Electrical/Anne Arundel County, Howard County 3 permits/to Aug 2026
• WILCOX ELECTRIC LLC Electrical/Anne Arundel County, Howard County 3 permits/to May 2026
• WILHELM COMMERCIAL BUILDERS INC Fire Protection/Howard County 3 permits/to May 2026
• WILL PLUMBING, LLC Plumbing/Howard County 3 permits/to May 2025
• WOO JOO MECHANICAL Plumbing/Frederick County, Howard County 3 permits/to Dec 2024
• WORLD WIDE WATER PROOFING & Interior/Howard County 3 permits/to Apr 2026
• YUSAN ELECTRIC CO Electrical/Anne Arundel County, Howard County 3 permits/to Feb 2026
• Z'S PLUMBING LLC HVAC/Howard County 3 permits/to Jul 2026

Source: county permit records. Updated weekly.