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.

• BOZZUTO CONSTRUCTION Accessory Structure/Anne Arundel County 310 permits/to Jun 2026
• TRI STAR ELECTRIC INC Accessory Structure/Howard County 246 permits/to Aug 2026
• DAWN LAWSON Accessory Structure/Frederick County 187 permits/to Sep 2026
• O'REILLY ELECTRIC Accessory Structure/Anne Arundel County, Howard County 185 permits/to Aug 2026
• David Williams Electric Accessory Structure/Howard County 159 permits/to Sep 2026
• HAVEPOWER LLC Accessory Structure/Anne Arundel County, Frederick County, Howard County, Prince George's County 146 permits/to Aug 2026
• ABLE ELECTRICAL SERVICES INC Accessory Structure/Anne Arundel County, Howard County 134 permits/to Sep 2026
• UNIFIED ELECTRICAL SOLUTIONS, INC Accessory Structure/Anne Arundel County, Prince George's County 124 permits/to Sep 2026
• THOMAS & THOMAS ELECTRIC LLC Accessory Structure/Anne Arundel County, Frederick County, Howard County 119 permits/to Aug 2026
• ANDREWS ARK ELECTRIC LLC Accessory Structure/Anne Arundel County, Howard County 115 permits/to Sep 2026
• CLINTON ELECTRIC CO INC Accessory Structure/Anne Arundel County, Frederick County, Howard County 113 permits/to Sep 2026
• JAMES M. SCANLON Accessory Structure/Frederick County 103 permits/to Aug 2026
• John Thompson Accessory Structure/Baltimore County 103 permits/to Nov 2023
• WINN ELECTRIC CONTRACTING CO Accessory Structure/Anne Arundel County, Howard County 97 permits/to Sep 2026
• PULTE HOME COMPANY LLC Accessory Structure/Anne Arundel County, Howard County 94 permits/to Jul 2026
• Grossnickle Construction LLC Accessory Structure/Frederick County 80 permits/to Aug 2026
• WORMALD HOME CONSTRUCTIONS Accessory Structure/Frederick County 66 permits/to Aug 2026
• Bailey & Shipp Electric Accessory Structure/Anne Arundel County, Frederick County, Howard County 59 permits/to May 2026
• JLC ELECTRICAL SERVICES Accessory Structure/Frederick County, Howard County 57 permits/to Aug 2026
• TRIPLE C ELECTRIC Accessory Structure/Frederick County, Howard County 57 permits/to Apr 2026
• ALL ABOUT SEPTICS LLC Accessory Structure/Anne Arundel County 50 permits/to Aug 2026
• II HOWARD C OREILLY Accessory Structure/Frederick County 46 permits/to Jun 2026
• SCANLON ELECTRIC LLC Accessory Structure/Anne Arundel County, Howard County 41 permits/to Aug 2026
• ARTISAN INVESTMENTS LLC Accessory Structure/Anne Arundel County, Frederick County, Howard County 40 permits/to Jul 2026
• Corey's Construction Accessory Structure/Frederick County 37 permits/to May 2026
• John Andrews Accessory Structure/Frederick County 35 permits/to Jul 2026
• PDR Homes LLC Accessory Structure/Frederick County, Howard County 35 permits/to Jul 2026
• MICHAEL MORAN Accessory Structure/Frederick County 33 permits/to Aug 2026
• Salone Solutions LLC Accessory Structure/Anne Arundel County, Frederick County, Howard County 31 permits/to Sep 2026
• Tuff Shed, Inc. Accessory Structure/Anne Arundel County, Frederick County, Howard County 31 permits/to Sep 2026
• Bailey and Shipp Electric Accessory Structure/Frederick County, Howard County 27 permits/to Oct 2025
• JG Construction Co. Accessory Structure/Frederick County, Howard County 26 permits/to Sep 2025
• MANTICI ELECTRICAL SERVICES LLC Accessory Structure/Frederick County, Howard County 25 permits/to Aug 2026
• JOSEPH F DEVILBISS CONSTRUCTIO Accessory Structure/Frederick County 23 permits/to Aug 2026
• QUALITY ELECTRICAL WORK Accessory Structure/Frederick County, Howard County 23 permits/to May 2026
• ELECTRON LLC Accessory Structure/Howard County 19 permits/to Jul 2026
• GREENLEAF ELECTRIC, LLC Accessory Structure/Frederick County 19 permits/to Aug 2026
• RYAN LEGACY BUILDERS,INC Accessory Structure/Frederick County 18 permits/to Aug 2026
• BEAON CONTRACTING Accessory Structure/Frederick County, Howard County, Prince George's County 14 permits/to Sep 2026
• Holsinger Construction, LLC Accessory Structure/Frederick County, Howard County 14 permits/to Aug 2026
• HURD BUILDERS, LLC Accessory Structure/Frederick County 14 permits/to Jun 2026
• SEAN P RYAN Accessory Structure/Frederick County 14 permits/to Nov 2025
• NICHOLAS JOSEPH CARROLL Accessory Structure/Frederick County 13 permits/to Apr 2026
• HELECTRICS Accessory Structure/Howard County 12 permits/to Sep 2026
• LARRY HENDRICKSON ELECTRIC LLC Accessory Structure/Howard County 12 permits/to Feb 2026
• EUGENE AHNS Accessory Structure/Frederick County 10 permits/to Feb 2026
• POWER PLUS LLC Accessory Structure/Frederick County 10 permits/to May 2025
• RAMCO, LLC Accessory Structure/Frederick County 10 permits/to Jan 2024
• RESIDENTIAL REAL ESTATE Accessory Structure/Anne Arundel County 10 permits/to Aug 2026
• SEAGLE ELECTRIC Accessory Structure/Frederick County, Howard County 10 permits/to Mar 2026

Source: county permit records. Updated weekly.