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

AQUAGUARD WATERPROOFING CORP Exterior/Anne Arundel County, Howard County 7 permits/to Jul 2026
ARCHWAY REMODELING INC Deck & Patio/Howard County 7 permits/to Apr 2026
Artisan plumbing Plumbing/Frederick County, Howard County 7 permits/to Dec 2025
A-SERVICE CO., INC. Fire Protection/Anne Arundel County, Howard County 7 permits/to Aug 2026
AWA ENTERPRISE, INC Plumbing/Howard County 7 permits/to Aug 2026
baxley electric service llc Electrical/Frederick County, Howard County 7 permits/to Apr 2025
B&B AIR CONDITIONING AND HEATING SERVICE CO INC HVAC/Howard County 7 permits/to Jan 2026
BLUESTREAM SERVICE INC Plumbing/Howard County 7 permits/to Aug 2024
BOGNET CONSTRUCTION ASSOCIATES Structural/Howard County 7 permits/to Jun 2025
BRIBEC GROUP LLC Electrical/Howard County 7 permits/to Apr 2026
BW PLUMBING AND DRAIN LLC Plumbing/Anne Arundel County, Howard County 7 permits/to Aug 2026
CASE ELECTRIC Accessory Structure/Howard County 7 permits/to Nov 2025
CHESTNUT CONTRACTING LLC Howard County 7 permits/to Dec 2025
CJ MILLER, LLC Site/Frederick County, Howard County 7 permits/to Feb 2026
COMMERCIAL INTERIOR CONSTRUCTION INC Fire Protection/Howard County 7 permits/to May 2026
CUMBERLAND INCORPORATED Plumbing/Howard County 7 permits/to Jul 2026
CURRENT ELECTRICAL SERVICES Electrical/Howard County 7 permits/to Nov 2025
DAISY PLUMBING AND HEATING Plumbing/Frederick County, Howard County 7 permits/to Jun 2026
DATAWATCH SYSTEMS INC Electrical/Howard County 7 permits/to Aug 2026
DIFFANDUD SERVICES LLC DBA DND Deck & Patio/Howard County 7 permits/to Oct 2025
DONALD L. LOWE & SONS, INC. HVAC/Howard County 7 permits/to Apr 2026
EA SERVICES HEATING AND COOLING HVAC/Anne Arundel County, Howard County 7 permits/to Sep 2026
EAW SERVICES LLC Electrical/Howard County 7 permits/to Jul 2026
Echo Electric Company, Inc. Electrical/Frederick County, Howard County 7 permits/to Aug 2026
ECKERS PLUMBING Plumbing/Howard County 7 permits/to Jul 2025
Elite Power and Energy Corp. Electrical/Frederick County, Howard County 7 permits/to Mar 2026
ELLINGTON MECHANICAL SERVICES, INC. HVAC/Anne Arundel County, Howard County 7 permits/to Jul 2026
Elmer services llc Deck & Patio/Frederick County, Howard County 7 permits/to Sep 2024
FIDELITY MECHANICAL SERVICES Plumbing/Anne Arundel County, Howard County 7 permits/to Jul 2026
FIRE ALARM SERVICES.NET LLC Electrical/Howard County 7 permits/to Aug 2026
FIRST CLASS MECHANICAL, LLC HVAC/Anne Arundel County, Howard County 7 permits/to Jul 2026
FLOW RITE, INC. HVAC/Frederick County, Howard County 7 permits/to Aug 2025
Fogle's Septic Clean, Inc Plumbing/Frederick County, Howard County 7 permits/to Jan 2026
GALLOWAY POOL SERVICES INC Pool & Spa/Howard County 7 permits/to Mar 2026
GERMAN ELECTRIC LLC Electrical/Anne Arundel County, Howard County 7 permits/to Sep 2026
GRAND SOLUTIONS LLC Deck & Patio/Baltimore County, Howard County 7 permits/to Dec 2025
Gregory Feit Inc Electrical/Howard County 7 permits/to Nov 2024
G.S.W. ELECTRIC Electrical/Howard County 7 permits/to Apr 2026
HAMMERTIME CONSTRUCTION INC Deck & Patio/Anne Arundel County, Howard County 7 permits/to Aug 2026
HONEST ABE PLUMBING, INC. Plumbing/Howard County 7 permits/to Aug 2026
HORTON ELECTRICAL SERVICES Electrical/Anne Arundel County, Howard County 7 permits/to Jun 2026
H&R Contractor Deck & Patio/Frederick County, Howard County 7 permits/to Dec 2024
H-TWO-O OF MD,LLC Plumbing/Anne Arundel County, Howard County 7 permits/to Jul 2026
Induction Electric Electrical/Anne Arundel County, Frederick County, Howard County 7 permits/to Aug 2026
J.A.G CONTRACTOR LLC Deck & Patio/Howard County 7 permits/to Jun 2025
J.Alexander Services Plumbing/Frederick County, Howard County 7 permits/to Aug 2026
J. CROFT PLUMBING LLC Plumbing/Howard County 7 permits/to Jul 2026
JENKINS RESTORATIONS INC. Interior/Frederick County, Howard County 7 permits/to Sep 2025
J & J Plumbing LLC Plumbing/Frederick County, Howard County 7 permits/to Jul 2026
JKEENEY LLC HVAC/Howard County 7 permits/to Aug 2026

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Source: county permit records. Updated weekly.