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

JJ FIRE PROTECTION Fire Protection/Baltimore County, Frederick County 4 permits/to Jul 2026
Manekin Construction Electrical Fire Protection/Frederick County 4 permits/to Oct 2023
ORLANDO LOPEZ Fire Protection/Baltimore County, Frederick County 4 permits/to Mar 2026
Penn Fire Protection Inc Fire Protection/Frederick County 4 permits/to Jun 2026
PHOENIX FIRE PROTECTION Fire Protection/Anne Arundel County, Frederick County 4 permits/to Jun 2026
PLATINUM SPRINKLER Fire Protection/Anne Arundel County, Baltimore County 4 permits/to Aug 2026
POTOMAC FIRE SPRINKLER SRVS Fire Protection/Anne Arundel County 4 permits/to Aug 2026
Ramirez Services Kitchen and Bathrooms Fire Protection/Frederick County 4 permits/to Sep 2025
SMOLEN EMR ILKOVITCH ARCHITECTS Fire Protection/Frederick County, Howard County 4 permits/to Jun 2026
SPRINKLER SOLUTIONS, LLC Fire Protection/Anne Arundel County 4 permits/to Jul 2026
TIM AUXT Fire Protection/Frederick County 4 permits/to Feb 2025
Weswaylyn Fire Protection, LLC Fire Protection/Anne Arundel County, Frederick County 4 permits/to Apr 2026
WILLIAMSBURG HOMES Fire Protection/Baltimore County 4 permits/to Oct 2023
AMBROSE AND SONS Fire Protection/Howard County 3 permits/to Dec 2023
American Life Safety Fire Protection/Anne Arundel County, Baltimore County 3 permits/to Jun 2026
ATLANTIDA BUILDERS INC Fire Protection/Howard County 3 permits/to Apr 2025
Bryan Kemph Fire Protection/Frederick County 3 permits/to Feb 2025
CHARLES MEADOWS Fire Protection/Baltimore County 3 permits/to Jul 2023
CHARLES SAUNDERS Fire Protection/Baltimore County 3 permits/to Apr 2023
chester willett Fire Protection/Baltimore County 3 permits/to Jun 2024
CINTAS CORPORATION NO.2 Fire Protection/Anne Arundel County 3 permits/to Sep 2026
CLICK HOMEBUILDERS LLC Fire Protection/Baltimore County 3 permits/to Jul 2026
CLUNE CONSTRUCTION Fire Protection/Howard County 3 permits/to Nov 2025
COMMERCIAL INTERIOR CONTRUCTION, INC Fire Protection/Howard County 3 permits/to Apr 2025
Conrad Ordakowski Fire Protection/Baltimore County 3 permits/to Mar 2023
Costello’s Hearth Operating Corp Fire Protection/Anne Arundel County, Baltimore County 3 permits/to Jul 2026
DEREK WRIGHT Fire Protection/Frederick County 3 permits/to Mar 2025
dnD Fire Protection Inc. Fire Protection/Anne Arundel County, Frederick County 3 permits/to Mar 2026
EBL ENGINEERS,LLC Fire Protection/Anne Arundel County 3 permits/to Jun 2026
Fire Mak Inc. Fire Protection/Frederick County 3 permits/to Nov 2025
FORTRESS PROTECTION Fire Protection/Anne Arundel County 3 permits/to May 2026
GINA VAN DETTA Fire Protection/Baltimore County 3 permits/to Oct 2023
GLO ELECTRICAL SERVICE Fire Protection/Anne Arundel County 3 permits/to Jun 2026
HIGH'S CHIMNEY SERVICE INC Fire Protection/Howard County 3 permits/to Jan 2026
James Martin Fire Protection/Frederick County 3 permits/to Aug 2023
J & G CONTRACTORS, INC. Fire Protection/Anne Arundel County 3 permits/to Sep 2026
JUDD FIRE Fire Protection/Baltimore County 3 permits/to Mar 2023
KANE CONSTRUCTION Fire Protection/Howard County 3 permits/to Feb 2025
Kevin Benhoff Fire Protection/Baltimore County 3 permits/to Jul 2026
LOPEZ DESIGN LLC Fire Protection/Anne Arundel County 3 permits/to Jul 2026
MAIN STREET BUILDERS INC Fire Protection/Howard County 3 permits/to Apr 2026
Matthew Slater Fire Protection/Baltimore County 3 permits/to Feb 2026
MILTON W. MOST INC Fire Protection/Howard County 3 permits/to Jun 2026
NEIL HINGEN Fire Protection/Frederick County 3 permits/to Feb 2025
NVR/Ryan Homes Fire Protection/Baltimore County 3 permits/to Aug 2023
POTOMAC FIRE SPRINKLER SERVICES Fire Protection/Baltimore County 3 permits/to Oct 2022
Proteks Fire Protection Fire Protection/Frederick County 3 permits/to Jan 2026
PYE BARKER FIRE & SAFETY DBA ABSOLUTE FIRE Fire Protection/Prince George's County 3 permits/to Aug 2026
Roger Mann Fire Protection/Baltimore County 3 permits/to Aug 2023
RONALD BRYANT Fire Protection/Baltimore County 3 permits/to Mar 2023

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Source: county permit records. Updated weekly.