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

GILBANE BUILDING COMPANY Site/Howard County 6 permits/to Oct 2025
HTI CONTRACTORS Site/Howard County 6 permits/to Aug 2025
PLEASANTS CONSTRUCTION INC Site/Howard County 6 permits/to Apr 2026
Principal Environmental Engineer Carianne A Finch Site/Frederick County 6 permits/to Jan 2026
SCHAEFER HOMES LLC Site/Anne Arundel County 6 permits/to Jul 2026
STEEL BUILDING SPECIALISTS, INC Site/Howard County 6 permits/to Mar 2025
ADAMS ENVIRONMENTAL ENG GROUP Site/Anne Arundel County 5 permits/to Jul 2026
BEILESS SAWMILL LLC Site/Howard County 5 permits/to Sep 2023
CLASSIC HOMES OF MARYLAND INC Site/Howard County 5 permits/to Jul 2026
HOPKINS & WAYSON INC Site/Howard County 5 permits/to Mar 2024
JS Tank Removal Site/Frederick County 5 permits/to Jul 2026
Mark Murray Site/Frederick County 5 permits/to Aug 2025
WHITING-TURNER CONTRACTING Site/Frederick County, Howard County 5 permits/to May 2026
ARCO MECHANICAL SERVICRS Site/Howard County 4 permits/to Oct 2024
COMMERCIAL CONTRACTORS, INC Site/Howard County 4 permits/to Dec 2025
FISHER , COLLINS & CARTER , INC Site/Howard County 4 permits/to Aug 2026
MILL CREEK RENEWABLES LLC Site/Howard County 4 permits/to Jul 2024
NITZ DEVELOPMENT CONSTRUCTION COMPANY LLC Site/Howard County 4 permits/to Aug 2025
STORMWATER FACILITIES, INC. Site/Anne Arundel County, Howard County 4 permits/to Aug 2026
Thurston Companies, Inc. Site/Frederick County, Howard County 4 permits/to Apr 2026
TIMBERLAKE HOMES, INC. Site/Anne Arundel County, Howard County 4 permits/to May 2026
TRIANGLE CONTRACTING, LLC Site/Howard County 4 permits/to Jan 2026
Ware Malcomb Site/Frederick County 4 permits/to Sep 2024
ACCUBID CIVIL CONSTRUCTION Site/Howard County 3 permits/to Jul 2025
AMENTUM DIGITAL INFRASTRUCTURE INC Site/Howard County 3 permits/to Aug 2025
ATLANTIC INDUSTRIAL AND MECHANICAL AND ELECTRICAL INC Site/Howard County 3 permits/to Aug 2025
ATLANTIC POWER AND LIGHT CO Site/Howard County 3 permits/to Feb 2025
BRANDON SMITH CONTRACTORS Site/Howard County 3 permits/to Feb 2024
BRY'S LAWN CARE LLC Site/Howard County 3 permits/to Jul 2026
CES Engineering LLC Site/Frederick County 3 permits/to May 2025
CONEWAGO ENTERPRISE INC Site/Howard County 3 permits/to Apr 2026
CORNERSTONE COMMERCIAL SERVICES LLC Site/Howard County 3 permits/to Feb 2024
Derek Scott Site/Frederick County 3 permits/to May 2026
Development Partners, LLC Site/Howard County 3 permits/to Feb 2025
dmac homes llc Site/Frederick County 3 permits/to Jul 2023
DOYLE CONSTRUCTION COMPANY Site/Howard County 3 permits/to May 2024
Home Bldr 56 Site/Howard County 3 permits/to Oct 2025
JL CITY CONCRETE Site/Howard County 3 permits/to Apr 2026
Phoenix Engineering Inc. Site/Frederick County, Howard County 3 permits/to Oct 2025
SHARP ENERGY - ANNE ARUNDEL/ GLEN BURNIE, MD Site/Howard County 3 permits/to Feb 2025
Site Link Construction LLC Site/Baltimore County, Howard County 3 permits/to May 2024
STORMWATER MAINTENANCE, LLC Site/Howard County 3 permits/to Dec 2025
THE LOUGHLIN-DAVIS CONTRACTING GROUP LLC Site/Howard County 3 permits/to Jul 2025
TOTAL ENVIRONMENTAL CONCEPTS INC Site/Frederick County, Howard County 3 permits/to Jun 2026

Source: county permit records. Updated weekly.