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 counties Anne Arundel County Baltimore County Frederick County Howard County Prince George's County

All trades Accessory Structure Deck & Patio Electrical Exterior Fire Protection Gas Interior HVAC Plumbing Pool & Spa Sign Site Solar Structural

TRI STAR ELECTRIC INC Accessory Structure/Howard County 246 permits/to Aug 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
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
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
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
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
PDR Homes LLC Accessory Structure/Frederick County, Howard County 35 permits/to Jul 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
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
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
HELECTRICS Accessory Structure/Howard County 12 permits/to Sep 2026
LARRY HENDRICKSON ELECTRIC LLC Accessory Structure/Howard County 12 permits/to Feb 2026
SEAGLE ELECTRIC Accessory Structure/Frederick County, Howard County 10 permits/to Mar 2026
STIFFLER'S ELECTRIC SERVICE Accessory Structure/Howard County 10 permits/to Aug 2026
INCA ELECTRIC Accessory Structure/Howard County 9 permits/to May 2026
BURI ELECTRIC LLC Accessory Structure/Frederick County, Howard County 8 permits/to Dec 2024
CCS INC Accessory Structure/Frederick County, Howard County 8 permits/to Jan 2026
DAVE BAGROSKY ELECTRIC LLC Accessory Structure/Howard County 8 permits/to Apr 2026
HC Elec State ES 09045 Accessory Structure/Howard County 8 permits/to Oct 2025
RYAN ELECTRICAL SERVICE Accessory Structure/Howard County 8 permits/to Sep 2025
SANDAN ELECTRIC Accessory Structure/Anne Arundel County, Howard County 8 permits/to Feb 2026
STOLTZFUS STRUCTURES LLC Accessory Structure/Frederick County, Howard County 8 permits/to Aug 2026
TESLA ELECTRIC COMPANY LLC Accessory Structure/Anne Arundel County, Howard County 8 permits/to Mar 2026
CASE ELECTRIC Accessory Structure/Howard County 7 permits/to Nov 2025
BEDROCK REMODELING INC Accessory Structure/Howard County 6 permits/to Jun 2026
HBS ENERGY INC/MR. ELECTRIC OF COLUMBIA MD Accessory Structure/Howard County 6 permits/to Aug 2024
LIFE SAFETY SYSTEMS INC Accessory Structure/Anne Arundel County, Howard County 6 permits/to Aug 2026
MARTY FRANZ ELECTRIC Accessory Structure/Anne Arundel County, Howard County 6 permits/to Mar 2026
MOSELEY DESIGNS Accessory Structure/Howard County 6 permits/to Jan 2026
RELIABLE ELECTRICAL ASSOCIATES INC Accessory Structure/Howard County 6 permits/to Aug 2026
Lancaster pole buildings Accessory Structure/Baltimore County, Frederick County, Howard County 5 permits/to Jun 2025
4A Contracting Accessory Structure/Frederick County, Howard County 4 permits/to Apr 2025
ADAMS CONSTRUCTION LLC Accessory Structure/Howard County 4 permits/to May 2026
EASTERN ELECTRIC & CONTROLS Accessory Structure/Howard County 4 permits/to Jun 2026
EV CHARGING INSTALLERS OF AMERICA LLC Accessory Structure/Howard County 4 permits/to Jan 2026

Source: county permit records. Updated weekly.