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.

• ALL IN ELECTRIC INC Electrical/Anne Arundel County, Frederick County, Howard County 48 permits/to Sep 2026
• Hugo Menjivar Electrical/Frederick County 48 permits/to Aug 2026
• JBA'S PLUMBING Plumbing/Anne Arundel County, Frederick County, Howard County 48 permits/to Aug 2026
• Lumen Brothers Electric Company LLC Electrical/Frederick County 48 permits/to Aug 2026
• PEDCO ELEC SERV/PAUL DONAGHUE Electrical/Frederick County 48 permits/to Aug 2026
• Premium Construction Service Electrical/Frederick County, Howard County, Prince George's County 48 permits/to Sep 2026
• RHINE LAWN CARE & LANDSCAPING LLC Deck & Patio/Howard County 48 permits/to Aug 2026
• AVS PLUMBING & HEATING HVAC/Howard County 47 permits/to Oct 2024
• COLONIAL ELECTRIC CO INC Electrical/Anne Arundel County, Howard County 47 permits/to Aug 2026
• Mallick Mechanical Contractors Plumbing/Frederick County, Howard County 47 permits/to Aug 2026
• U S Home LLC Fire Protection/Baltimore County, Howard County 47 permits/to Jun 2024
• ZEPP PLUMBING & HEATING, INC. Plumbing/Frederick County, Howard County 47 permits/to Sep 2026
• ALLIED REMODELING CORPORATION Deck & Patio/Baltimore County, Howard County 46 permits/to Aug 2026
• II HOWARD C OREILLY Accessory Structure/Frederick County 46 permits/to Jun 2026
• JCM Electrical Inc HVAC/Anne Arundel County, Frederick County, Howard County 46 permits/to Aug 2026
• LAUREL POOLS/A&K CONSTRUCTION Pool & Spa/Frederick County 46 permits/to Aug 2026
• LGCY INSTALLATION SERVICES LLC Solar/Anne Arundel County, Howard County 46 permits/to Sep 2026
• MICHAEL AND SON SERVICE HVAC/Anne Arundel County 46 permits/to Sep 2026
• VG ELECTRIC LLC Electrical/Anne Arundel County, Frederick County, Howard County 46 permits/to Aug 2026
• AMERICAN HOME CONTRACTORS Solar/Anne Arundel County, Frederick County, Howard County 45 permits/to Aug 2026
• ARUNDEL COOLING & HEATING CO INC HVAC/Anne Arundel County, Howard County 45 permits/to Aug 2026
• BATHGATE ELECTRIC Pool & Spa/Anne Arundel County, Frederick County, Howard County 45 permits/to Jul 2026
• GLENN H FOGLE& SON ELECTRIC IN Electrical/Frederick County 45 permits/to Sep 2026
• GRAMOPHONE LTD Electrical/Anne Arundel County, Howard County 45 permits/to Aug 2026
• HAGUE QUALITY WATER OF MD Plumbing/Anne Arundel County 45 permits/to Sep 2026
• Rick Jones Electric Electrical/Frederick County, Howard County 45 permits/to Aug 2026
• CECCIO ELECTRIC LLC Electrical/Anne Arundel County, Howard County 44 permits/to Aug 2026
• CHRISTOPHER RICKETTS Electrical/Frederick County 44 permits/to Aug 2026
• INTEGRATESUN LLC Solar/Frederick County, Howard County 44 permits/to Feb 2026
• LEONEA ZELAYA Electrical/Frederick County 44 permits/to Mar 2026
• SMITH MECHANICAL, INC. Plumbing/Anne Arundel County, Howard County 44 permits/to Sep 2026
• T&D PLUMBING & HEATING CO., INC Plumbing/Howard County 44 permits/to Aug 2026
• TRI-STATE COMMUNICATIONS, INC. Pool & Spa/Frederick County, Howard County 44 permits/to Aug 2026
• F&B ELECTRIC LLC Electrical/Frederick County, Howard County 43 permits/to Jan 2026
• FIDELITY ENGINEERING, LLC HVAC/Frederick County, Howard County, Prince George's County 43 permits/to Sep 2026
• KM Printing LLC Sign/Baltimore County 43 permits/to Apr 2023
• MOXLEY PLUMBING Plumbing/Frederick County 43 permits/to Aug 2026
• Sight & Sound Systems, Inc. Electrical/Frederick County, Howard County 43 permits/to Jul 2026
• SYSTCOM INC Electrical/Anne Arundel County, Howard County, Prince George's County 43 permits/to Aug 2026
• TEVIS OIL, INC. Plumbing/Frederick County, Howard County 43 permits/to Aug 2026
• THE WHITING TURNER CONTRACTING COMPANY HVAC/Howard County 43 permits/to Sep 2026
• TIM KYLE CO., ELECTRCIAL CONTR Electrical/Frederick County 43 permits/to Jun 2026
• Al Gleeson Electric Electrical/Frederick County, Howard County 42 permits/to Jun 2026
• ANCHOR MECHANICAL LLC HVAC/Anne Arundel County, Frederick County, Howard County 42 permits/to Sep 2026
• David Nau Electrical/Frederick County 42 permits/to Aug 2026
• DESHAIES ELECTRICAL SERVICES LLC Deck & Patio/Frederick County, Howard County 42 permits/to Jul 2026
• Easterday-Wilson Water Services, LLC Plumbing/Frederick County 42 permits/to Aug 2026
• GARCIA'S MECHANICAL LLC Plumbing/Anne Arundel County, Frederick County, Howard County 42 permits/to Jul 2026
• GREEN BRILLIANCE LLC Solar/Howard County 42 permits/to Jul 2026
• JP ELECTRIC LLC Electrical/Anne Arundel County, Frederick County, Howard County 42 permits/to Aug 2026

Source: county permit records. Updated weekly.