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.

• CONTEMPORARYVELECTRIC CO INC HVAC/Howard County 5 permits/to Jun 2026
• CONTOUR CONSTRUCTION DBA REDLINE PLUMBING Plumbing/Howard County 5 permits/to Nov 2024
• COPA CONTRACTOR LLC Deck & Patio/Howard County 5 permits/to Jun 2026
• CORBIN MECHANICAL LLC Plumbing/Howard County 5 permits/to Aug 2026
• COVEY CONTRUCTION & CONSULTING LLC Deck & Patio/Howard County 5 permits/to Aug 2025
• CREGGER CONSTRUCTION INC Deck & Patio/Frederick County, Howard County 5 permits/to Jan 2026
• CREW HEATING & AIR CONDITIONING LLC HVAC/Howard County 5 permits/to Sep 2026
• CROSS ELECTRIC LLC Electrical/Howard County 5 permits/to Aug 2025
• CRW MECHANICAL, INC Plumbing/Howard County 5 permits/to Nov 2025
• DBA/ PRO ACTIVE HVAC LLC HVAC/Howard County 5 permits/to Jun 2026
• DESENA COMMERCIAL SERVICES Sign/Howard County 5 permits/to Nov 2025
• DEVORE ENTERPRISES LLC Deck & Patio/Howard County 5 permits/to Mar 2025
• DJ PLUMBING SERVICES LLC Plumbing/Howard County 5 permits/to Jul 2026
• DNM CONSTRUCTION HVAC/Howard County 5 permits/to Aug 2026
• DOOPON ELECTRIC LLC Electrical/Howard County 5 permits/to Apr 2026
• DORSEY FAMILY HOMES, INC. Deck & Patio/Howard County 5 permits/to Feb 2025
• DOUG'S ELECTRICAL SERVICES Electrical/Howard County 5 permits/to Jul 2026
• DRT INC DBA TESTERMAN ELECTRICAL CO Electrical/Howard County 5 permits/to Jun 2026
• DUFF SIGNS, INC. Sign/Howard County 5 permits/to Mar 2026
• DUO SIGNAGE & GRAPHICS Sign/Howard County 5 permits/to Mar 2026
• DUO SIGNS AND GRAPHICS Sign/Howard County 5 permits/to May 2024
• ELECTRIC ADVANTAGE INC Electrical/Howard County 5 permits/to Jul 2025
• Electrical Advantage LLC Electrical/Howard County 5 permits/to Jun 2026
• ELEGANT POOLS LLC Pool & Spa/Howard County 5 permits/to Dec 2025
• EMG CONSTRUCTION Deck & Patio/Howard County 5 permits/to Aug 2026
• FERRELL LAWN CARE LLC Deck & Patio/Anne Arundel County, Howard County 5 permits/to Jun 2026
• FINNEY BROTHERS CONTRACTING LLC Deck & Patio/Anne Arundel County, Howard County 5 permits/to Feb 2026
• FLEX MECHANICAL LLC HVAC/Anne Arundel County, Howard County 5 permits/to Aug 2026
• FOUR TWELVE DEVELOPMENT Deck & Patio/Howard County 5 permits/to Feb 2026
• Freedom Mechanical Contractors Plumbing/Anne Arundel County, Howard County 5 permits/to Jun 2026
• GARDNER SERVICES LLC Interior/Howard County 5 permits/to May 2026
• GAS & PLUMBING IMPROVEMENT SERVICES LLC Plumbing/Anne Arundel County, Howard County 5 permits/to Aug 2026
• G-BEST ELECTRIC INC Electrical/Anne Arundel County, Howard County 5 permits/to Aug 2026
• GC ELECTRIC Electrical/Howard County 5 permits/to Dec 2025
• GENERAL PAVING & CONTRACTING Plumbing/Howard County 5 permits/to Jun 2026
• G. E. TIGNALL & CO., INC. Plumbing/Howard County 5 permits/to Oct 2025
• G-FORCE ARCHITECTS Deck & Patio/Howard County 5 permits/to Jul 2026
• G H Nitzel INC Plumbing/Frederick County, Howard County 5 permits/to Mar 2026
• G&I ELECTRICAL SERVICES LLC Electrical/Anne Arundel County, Frederick County, Howard County 5 permits/to Jun 2026
• GILS PROFESSIONALS Electrical/Howard County 5 permits/to Aug 2026
• GOLDEN RULE SIGNS Sign/Howard County 5 permits/to Jun 2026
• HARDY PLUMBING LLC Plumbing/Frederick County, Howard County 5 permits/to Sep 2025
• HAYNES PLUMBING AND HEATING INC Plumbing/Howard County 5 permits/to Jul 2026
• HERS ELECTRIC LLC Electrical/Anne Arundel County, Howard County 5 permits/to Aug 2026
• HITT CONTRACTING INC Structural/Anne Arundel County, Howard County 5 permits/to Jul 2026
• HOEMASTER'S INC Plumbing/Howard County 5 permits/to Jun 2026
• HOKE ELECTRIC LLC Electrical/Howard County 5 permits/to Sep 2025
• HOLLER CONTRACTING LLC Deck & Patio/Frederick County, Howard County 5 permits/to May 2025
• HOMESAFE SECURITY SYSTEMS INC Electrical/Howard County 5 permits/to Sep 2026
• HOPKINS & WAYSON INC Site/Howard County 5 permits/to Mar 2024

Source: county permit records. Updated weekly.