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.

• Vivid Electric Corp Electrical/Frederick County, Howard County 12 permits/to Aug 2026
• WHITTINGTON, JAMES DBA CONSULTING SERVICE OF HVAC/Howard County 12 permits/to Aug 2026
• 21ST CENTURY POWER SOLUTIONS LLC Solar/Howard County 11 permits/to Mar 2024
• AACTION HOME REPAIRS AND Deck & Patio/Howard County 11 permits/to Aug 2025
• Absolute SIgn Solutions LLC Deck & Patio/Anne Arundel County, Howard County 11 permits/to Aug 2026
• A J DELUCA CONTRACTORS INC Deck & Patio/Howard County 11 permits/to Jul 2026
• ALFA ELECTRICAL CONTRACTOR LLC Electrical/Frederick County, Howard County 11 permits/to Oct 2025
• AL GLEESON ELECTRICAL CO. INC. Electrical/Anne Arundel County, Howard County 11 permits/to Sep 2026
• ARB Electrical Contractor INC Electrical/Frederick County, Howard County 11 permits/to Jan 2025
• ARTISAN ELECTRICAL Electrical/Anne Arundel County, Howard County 11 permits/to Aug 2026
• BEST WAY ELECTRIC LLC Electrical/Frederick County, Howard County 11 permits/to Aug 2026
• BEYOND COOLING LLC HVAC/Anne Arundel County, Howard County 11 permits/to Aug 2026
• CARROLL MECHANICAL INC HVAC/Anne Arundel County, Howard County 11 permits/to Aug 2026
• CLEAN CONNECTIONS LLC Electrical/Anne Arundel County, Howard County 11 permits/to Jun 2026
• CONSTANTINE COMMERCIAL CONSTRUCTION LLC Structural/Baltimore County, Howard County 11 permits/to Mar 2026
• COOL BREEZE HVAC,LLC HVAC/Anne Arundel County, Howard County 11 permits/to Jun 2026
• CYPRUS INC Plumbing/Howard County 11 permits/to Nov 2025
• D&I MECHANICAL CONT Plumbing/Howard County 11 permits/to Oct 2024
• DOCKINS ELECTRIC , LLC Electrical/Frederick County, Howard County 11 permits/to Aug 2026
• ELECTRACON INC Electrical/Anne Arundel County, Frederick County, Howard County 11 permits/to Jul 2026
• ELECTRICAL SOLUTIONS BY MCD Electrical/Howard County 11 permits/to Jul 2026
• ELECTRICAL & TOWER CONSTRUCTION SERVICES, LLC Electrical/Frederick County, Howard County 11 permits/to Aug 2026
• EMJAY ENGINEERING AND CONS HVAC/Howard County 11 permits/to Aug 2026
• ENVIRO-TEK SERVICES HVAC/Anne Arundel County, Howard County 11 permits/to Jun 2026
• FERRARA & ASSOCIATES INC Electrical/Anne Arundel County, Howard County 11 permits/to Jul 2026
• FROSTY REFRIGERATION CO., INC HVAC/Anne Arundel County, Howard County 11 permits/to Aug 2026
• GYC GROUP, LTD. Deck & Patio/Anne Arundel County, Howard County 11 permits/to Jun 2026
• HAMILTON HEATING & AIR HVAC/Howard County 11 permits/to Aug 2026
• HARMONY BUILDERS INC Deck & Patio/Howard County 11 permits/to Dec 2025
• HENRY H LEWIS CONTRACTORS LLC HVAC/Howard County 11 permits/to Mar 2026
• HOLLAND ELECTRIC SERVICES, LLC Electrical/Howard County 11 permits/to Jan 2026
• INKA HVAC INC HVAC/Howard County, Prince George's County 11 permits/to Sep 2026
• J & A CONSTRUCTION SERVICES, INC. Plumbing/Howard County 11 permits/to Aug 2026
• JEROME YOUNG'S ELECTRICAL Electrical/Howard County 11 permits/to Nov 2025
• JERRY'S HEATING AND AIR CONDITIONING HVAC/Howard County 11 permits/to Apr 2026
• JES ELECTRICAL SERVICES Electrical/Anne Arundel County, Howard County 11 permits/to Aug 2026
• JOHN HEAGY REMODELING RESTORATION Howard County 11 permits/to Jan 2026
• JPLUMBING LLC Plumbing/Howard County 11 permits/to Jun 2026
• JTJ ELECTRIC Electrical/Frederick County, Howard County 11 permits/to Jul 2026
• MACKEY ELECTRICAL SERVICES INC Electrical/Frederick County, Howard County 11 permits/to Jun 2026
• MARYLAND SOLAR SOLUTIONS INC Solar/Howard County 11 permits/to Sep 2025
• MARYLAND WATER CONDITIONING T/A WATER DOCTOR Electrical/Howard County 11 permits/to Aug 2025
• MASTEC NETWORK SOLUTIONS LLC Electrical/Anne Arundel County, Baltimore County, Howard County 11 permits/to Aug 2026
• Masters Electrical Construction LLC Electrical/Anne Arundel County, Frederick County, Howard County 11 permits/to Aug 2026
• McDevitt & Sons Plumbing and Heating, Inc. Plumbing/Frederick County, Howard County 11 permits/to May 2026
• MODERN PLUMBING SYSTEMS LLC HVAC/Howard County 11 permits/to Aug 2026
• MYERS REMODELING COMPANY LLC Deck & Patio/Howard County 11 permits/to Feb 2026
• OLD LINE PLUMBING Plumbing/Anne Arundel County, Howard County 11 permits/to Aug 2026
• PHI GROUP LLC Plumbing/Howard County 11 permits/to Jan 2026
• Prospect plumbing llc Plumbing/Frederick County, Howard County 11 permits/to Apr 2026

Source: county permit records. Updated weekly.