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

ABSOLUTE POWER SOLUTIONS, LLC Electrical/Anne Arundel County 6 permits/to Aug 2026
ACC TELECOM Electrical/Anne Arundel County, Howard County 6 permits/to Sep 2026
ADAM M GESUELE Electrical/Frederick County 6 permits/to Feb 2026
ADT LLC Electrical/Frederick County, Howard County 6 permits/to Aug 2025
ADVIN ELECTRIC, INC. Electrical/Howard County, Prince George's County 6 permits/to Sep 2026
AFA Protective Systems Inc. Electrical/Frederick County 6 permits/to Sep 2026
ALL MASTERS INC Electrical/Anne Arundel County, Howard County 6 permits/to Aug 2026
ANDREW J PORTER Electrical/Frederick County 6 permits/to May 2026
Andrews Electric dba CDS Electrical/Frederick County 6 permits/to Feb 2025
A PHASE ELECTRIC LLC Electrical/Anne Arundel County, Howard County 6 permits/to Aug 2026
ASPIRE ELECTRIC LLC Electrical/Anne Arundel County, Howard County 6 permits/to Aug 2026
A-TEAM ELECTRIC LLC Electrical/Frederick County 6 permits/to Jul 2026
AYERS ELECTRIC SERVICE Electrical/Frederick County 6 permits/to Dec 2025
B&B DESIGNED SYSTEMS INC Electrical/Frederick County, Howard County 6 permits/to Aug 2026
BJB ELECTRICAL SERVICE LLC Electrical/Howard County 6 permits/to Aug 2026
BOGAN & ASSOCIATES LLC Electrical/Anne Arundel County, Howard County 6 permits/to Aug 2026
BOWEN ELECTRIC SERVICE INC Electrical/Anne Arundel County, Frederick County, Howard County 6 permits/to Sep 2026
BRS ALARM SERVICE Electrical/Howard County 6 permits/to Mar 2026
CHEVY ELECTRIC, INC. Electrical/Anne Arundel County, Howard County 6 permits/to Jun 2026
Chris Burger Electrical/Frederick County 6 permits/to Dec 2024
CHRISTOPHER BURRISS Electrical/Frederick County 6 permits/to Mar 2025
COMPLETE DATACOM LLC Electrical/Anne Arundel County, Howard County 6 permits/to Apr 2026
CRAFT LIGHT ELECTRIC LLC Electrical/Howard County 6 permits/to Dec 2025
C.V. SECURITY INC Electrical/Howard County 6 permits/to Apr 2025
DAN B CAULFIELD Electrical/Frederick County 6 permits/to Nov 2025
DANTECH INC Electrical/Howard County 6 permits/to Feb 2026
DAVID W BALDWIN Electrical/Frederick County 6 permits/to Dec 2025
DAYTON ELECTRICAL CONTRACTING Electrical/Frederick County, Howard County 6 permits/to Apr 2026
DECA INC Electrical/Howard County 6 permits/to Oct 2025
DELORE ELECTRICAL SERVICE Electrical/Howard County 6 permits/to Apr 2025
DENGO ELECTRIC Electrical/Howard County 6 permits/to Sep 2025
DSR ELECTRIC Electrical/Howard County 6 permits/to Jul 2026
Duffy Electric LLC Electrical/Howard County 6 permits/to Aug 2026
DYNALECTRIC CO Electrical/Howard County 6 permits/to May 2025
EARL W. BOHLMAN & SONS, INC. Electrical/Anne Arundel County 6 permits/to Jul 2026
E. C. ERNST INC. Electrical/Anne Arundel County, Howard County, Prince George's County 6 permits/to Sep 2026
EDWARD MCCARTHY JR/REDEEMED EL Electrical/Frederick County 6 permits/to Jan 2025
E & G SERVICES Electrical/Howard County 6 permits/to Aug 2025
ELECTRICAL SERVICES LLC Electrical/Anne Arundel County, Howard County 6 permits/to Aug 2026
ELECTRICO INC Electrical/Anne Arundel County, Howard County 6 permits/to Jun 2026
Etzel Power Solutions LLC Electrical/Frederick County 6 permits/to Dec 2024
Ewell Builders LLC Electrical/Frederick County 6 permits/to Mar 2026
Fresh Air Concepts Electrical/Anne Arundel County, Frederick County, Howard County 6 permits/to Jul 2026
Genesis Electrical Service LLC Electrical/Frederick County, Howard County, Prince George's County 6 permits/to Sep 2026
GEORGE A SMITH Electrical/Frederick County 6 permits/to Jun 2026
G & G ELECTRIC CO. Electrical/Anne Arundel County 6 permits/to Sep 2026
J3 ELECTRICAL SERVICES LLC Electrical/Howard County 6 permits/to Aug 2025
JAR ELECTRIC LLC Electrical/Anne Arundel County, Frederick County, Howard County 6 permits/to Sep 2026
J&J ELECTRIC LLC Electrical/Anne Arundel County, Howard County 6 permits/to Aug 2026
Jose Romero Electrical/Frederick County 6 permits/to Jan 2026

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Source: county permit records. Updated weekly.