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.

• EDISON ELECTRIC CO INC Electrical/Anne Arundel County, Howard County 18 permits/to Aug 2026
• FIRST IMPRESSIONS CONSTRUCTION Deck & Patio/Anne Arundel County, Frederick County, Howard County 18 permits/to Mar 2026
• F N MAINTENANCE AND GENERAL SERVICES INC Exterior/Howard County 18 permits/to Jan 2025
• FRAZIERS MECHANICAL SERVICES, LLC Plumbing/Frederick County, Howard County 18 permits/to Aug 2026
• GLOREM LLC Plumbing/Howard County 18 permits/to Aug 2026
• Goodco Solutions LLC Solar/Anne Arundel County, Frederick County, Howard County 18 permits/to Apr 2026
• HONEST AIR, LLC HVAC/Howard County 18 permits/to Aug 2026
• HVACR 05010021796 HVAC/Howard County 18 permits/to Apr 2026
• JAMES PLUMBING LLC DBA OASYS CONTRACTING LLC Plumbing/Howard County 18 permits/to Jul 2026
• K H BEST CONSTRUCTION Electrical/Howard County 18 permits/to Aug 2026
• LAZO LANDSCAPING LLC Deck & Patio/Anne Arundel County, Howard County 18 permits/to Aug 2026
• MENDOZA ELECTRIC Electrical/Howard County 18 permits/to Nov 2025
• MOBILE COMMUNICATIONS AMERICA INC Electrical/Anne Arundel County, Frederick County, Howard County 18 permits/to Sep 2026
• Morgan Run Services LLC Plumbing/Frederick County, Howard County 18 permits/to Feb 2026
• N&E PLUMBING LLC Plumbing/Anne Arundel County, Frederick County, Howard County 18 permits/to Aug 2026
• NO DRIP PLUMBING Plumbing/Anne Arundel County, Howard County 18 permits/to Jul 2026
• PRO SIGNS Sign/Howard County 18 permits/to Nov 2025
• PRUDENT ELECTRICAL SERVICES Electrical/Frederick County, Howard County 18 permits/to Aug 2026
• RINEHART ELECTRIC Pool & Spa/Anne Arundel County, Howard County 18 permits/to Aug 2026
• ROBERT G BOOKHULTZ PLUMBING Plumbing/Howard County 18 permits/to Jun 2026
• SG HEATING & COOLING HVAC/Howard County 18 permits/to Jul 2026
• Steele Electrical Contracting Inc Electrical/Frederick County, Howard County 18 permits/to Aug 2026
• STILWELL PLUMBING INC Plumbing/Anne Arundel County, Frederick County, Howard County 18 permits/to Aug 2026
• United Electrical Services LLC Electrical/Anne Arundel County, Frederick County, Howard County 18 permits/to Jul 2026
• W.M. LAWSON ELECTRICAL CONTRACTOR Pool & Spa/Howard County 18 permits/to Aug 2026
• YAQI CONSTRUCTION LLC Plumbing/Anne Arundel County, Frederick County, Howard County 18 permits/to Aug 2026
• ADVANCED HEATING & COOLING, LLC HVAC/Anne Arundel County, Howard County 17 permits/to Aug 2026
• ADVANTAGE TELECOM INC Electrical/Anne Arundel County, Frederick County, Howard County 17 permits/to Mar 2026
• AJ TECH LLC Deck & Patio/Anne Arundel County, Baltimore County, Howard County 17 permits/to Jun 2026
• BAC POWER SERVICES Electrical/Anne Arundel County, Howard County, Prince George's County 17 permits/to Aug 2026
• Bill Gilde Electrical Services LLC Solar/Frederick County, Howard County 17 permits/to Dec 2025
• BRG ENTERPRISE DBA BRG FIRE SYSTEMS Fire Protection/Howard County 17 permits/to May 2025
• BROSENNE ELECTRIC SERVICE INC Electrical/Frederick County, Howard County 17 permits/to May 2026
• BRUNO'S ELECTRICAL SERVICE INC Electrical/Howard County 17 permits/to Jun 2025
• CLEAR COMMUNICATIONS INC Electrical/Howard County 17 permits/to Feb 2026
• DALLIS ELECTRICAL SERVICES Electrical/Anne Arundel County, Howard County 17 permits/to Apr 2026
• DB EXPERIENCE ELECTRICAL LLC Electrical/Anne Arundel County, Howard County 17 permits/to Jun 2026
• DONALD STEINMAN ELECTRIC Electrical/Anne Arundel County, Frederick County, Howard County 17 permits/to Jul 2026
• DOUBLE Z ELECTRIC LLC Electrical/Frederick County, Howard County 17 permits/to Aug 2026
• DREAMSCAPE LLC Pool & Spa/Anne Arundel County, Frederick County, Howard County 17 permits/to May 2026
• EHS MD LLC Electrical/Howard County 17 permits/to Apr 2026
• FRIEDEL CONTRACTING Plumbing/Anne Arundel County, Frederick County, Howard County 17 permits/to Aug 2026
• GAINES ELECTRIC COMPANY Solar/Anne Arundel County, Frederick County, Howard County 17 permits/to Aug 2026
• GLM MECHANICAL SERVICES INC. HVAC/Howard County 17 permits/to Aug 2026
• GOLDS CUSTOM HOMES AND REMODELING Plumbing/Frederick County, Howard County 17 permits/to Jun 2025
• HVACR 05010083311 HVAC/Howard County 17 permits/to Aug 2026
• INFINITY ELECTRICAL SERVICES Electrical/Howard County 17 permits/to Aug 2026
• J & B ELECTRIC INC Electrical/Anne Arundel County, Frederick County, Howard County, Prince George's County 17 permits/to Sep 2026
• J Daw, Inc Electrical/Frederick County, Howard County 17 permits/to Aug 2026
• JOE'S HEATING & AC INC HVAC/Howard County 17 permits/to Jun 2024

Source: county permit records. Updated weekly.