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.

• Endeavor Electric Electrical/Frederick County, Howard County 4 permits/to Mar 2026
• Energy Green Solutions, LLC Electrical/Frederick County, Howard County 4 permits/to Mar 2024
• Engineer 23050059964 Solar/Howard County 4 permits/to Aug 2025
• EV CHARGING INSTALLERS OF AMERICA LLC Accessory Structure/Howard County 4 permits/to Jan 2026
• FAIRFAX MECHANICAL HVAC/Howard County 4 permits/to Jan 2026
• FASTSIGNS LAUREL Sign/Howard County 4 permits/to Aug 2025
• FASTSIGNS OF ANNAPOLIS Sign/Howard County 4 permits/to Jul 2026
• F & B HVAC HVAC/Howard County 4 permits/to Aug 2026
• FIRST DOWN PLUMBING & DRAIN CLEANING LLC HVAC/Howard County 4 permits/to Sep 2026
• FIRST IMPRESSION HARDSCAPES LLC Structural/Howard County 4 permits/to Jun 2026
• FISHER , COLLINS & CARTER , INC Site/Howard County 4 permits/to Aug 2026
• Flo-Tron Contracting, LLC Gas/Anne Arundel County, Howard County 4 permits/to Aug 2026
• FLOWRITE PLUMBING AND HEATING INC Plumbing/Howard County 4 permits/to Feb 2025
• FRANKLIN ELECTRICAL SERVICE LLC Electrical/Howard County 4 permits/to Aug 2026
• FRAZIER'S MECHANICAL SERVICES, LLC Plumbing/Howard County 4 permits/to Apr 2024
• FREEMAN & SONS Electrical/Anne Arundel County, Howard County 4 permits/to Sep 2026
• GAAJ LLC Interior/Howard County 4 permits/to Jun 2026
• GAWTHROP BUILDERS LLC Deck & Patio/Howard County 4 permits/to Dec 2025
• GBS SECURITY SYSTEMS INC Electrical/Anne Arundel County, Howard County 4 permits/to May 2026
• GENERAL HEATING & COOLING INC HVAC/Howard County 4 permits/to Apr 2026
• GENERATOR SUPERCENTER OF ANNAPOLIS Electrical/Howard County 4 permits/to Sep 2026
• GHE ELECTRIC SERVICES Deck & Patio/Howard County 4 permits/to Mar 2026
• GLENELG CONSTRUCTION Electrical/Anne Arundel County, Howard County 4 permits/to Sep 2026
• GLICK WOODWORKS LLC Deck & Patio/Baltimore County, Frederick County, Howard County 4 permits/to Apr 2026
• GOD'S GRACE PLUMBING AND DRAIN SERVICES Plumbing/Howard County 4 permits/to Dec 2025
• GREEN WAVE ELECTRIC INC Electrical/Howard County 4 permits/to Dec 2024
• Gregory Custom Remodeling Pool & Spa/Anne Arundel County, Howard County 4 permits/to Apr 2026
• GRIFFS HEATING AND AIR HVAC/Howard County 4 permits/to Aug 2026
• G & T PROFESSIONAL SERVICES Deck & Patio/Howard County 4 permits/to Mar 2025
• GUNKEL HOME IMPROVEMENT SPECIALIST Deck & Patio/Howard County 4 permits/to Dec 2024
• H & A HOME IMPROVEMENT LLC Deck & Patio/Howard County 4 permits/to Nov 2025
• HANDY1 LLC Plumbing/Howard County 4 permits/to Aug 2025
• Happy 2 Help LLC Accessory Structure/Frederick County, Howard County 4 permits/to Mar 2025
• HARFORD ALARM COMPANY Electrical/Howard County 4 permits/to Jun 2026
• H&C INC. HVAC/Howard County 4 permits/to Jun 2025
• Henkels & McCoy Electrical/Frederick County, Howard County 4 permits/to Mar 2026
• HOME PRIDE REMODELING LLC Deck & Patio/Howard County 4 permits/to Mar 2025
• HORIZON GARAGE DOORS Accessory Structure/Howard County 4 permits/to Jul 2024
• HOWARD COUNTY DEPT. OF PUBLIC WORKS Howard County 4 permits/to Aug 2023
• HOWARD COUNTY PUBLIC SCHOOL SYSTEM Electrical/Howard County 4 permits/to Jan 2025
• HT CONSTRUCTION LLC Plumbing/Anne Arundel County, Howard County 4 permits/to Jul 2026
• HUGHES MECHANICAL LLC HVAC/Howard County 4 permits/to Jul 2026
• HUNT PLUMBING AND HEATING LLC Plumbing/Howard County 4 permits/to Sep 2025
• IACOBONI SITE SPECIALISTS Plumbing/Howard County 4 permits/to May 2026
• IDEAL POWER ELECTRICAL CONTRACTING INC Electrical/Howard County 4 permits/to Oct 2025
• INTERCEPTOR SECURITY LLC Deck & Patio/Howard County 4 permits/to Nov 2025
• INTERSTATE SERVICE CO., INC. HVAC/Howard County 4 permits/to Aug 2026
• Ion Electric, LLC Accessory Structure/Howard County 4 permits/to May 2026
• ISCO ELECTRIC LLC Electrical/Anne Arundel County, Howard County 4 permits/to Sep 2026
• ISFMD LLC DBA VOLK DECK FENCE & PATIO Deck & Patio/Anne Arundel County, Frederick County, Howard County 4 permits/to Jul 2026

Source: county permit records. Updated weekly.