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

SUNRUN INSTALLATION SERVICES INC Solar/Anne Arundel County, Frederick County, Howard County, Prince George's County 2042 permits/to Sep 2026
SOLAR ENERGY WORLD Solar/Anne Arundel County, Frederick County, Howard County 1743 permits/to Sep 2026
FUSION SOLAR SERVICES LLC Solar/Anne Arundel County, Baltimore County, Frederick County, Howard County, Prince George's County 1196 permits/to Sep 2026
TESLA ENERGY OPERATIONS INC Solar/Anne Arundel County, Frederick County, Howard County, Prince George's County 811 permits/to Sep 2026
FREEDOM FOREVER MARYLAND LLC Solar/Anne Arundel County, Frederick County, Howard County 507 permits/to Jun 2026
D & L CLEAN POWER SOLUTIONS LLC Solar/Anne Arundel County, Frederick County, Howard County 395 permits/to Sep 2026
EDGE ENERGY Solar/Anne Arundel County, Frederick County, Howard County 235 permits/to Sep 2026
CELESTIAL SOLAR INNOVATIONS LLC Solar/Anne Arundel County, Frederick County, Howard County 229 permits/to Sep 2026
STANDARD ENERGY SOLUTIONS Solar/Anne Arundel County, Baltimore County, Frederick County, Howard County, Prince George's County 210 permits/to Sep 2026
TRINITY SOLAR LLC Solar/Anne Arundel County, Baltimore County, Frederick County, Howard County, Prince George's County 204 permits/to Sep 2026
Top tier solar solutions LLC Solar/Anne Arundel County, Frederick County, Howard County 185 permits/to Aug 2026
AMERICAN DESIGN AND BUILD LTD Solar/Anne Arundel County, Frederick County, Howard County, Prince George's County 143 permits/to Sep 2026
POWER FACTOR LLC Solar/Anne Arundel County, Frederick County, Howard County 141 permits/to Aug 2026
RENEWABLE ENERGY CORPORATION Solar/Anne Arundel County, Frederick County, Howard County 112 permits/to Sep 2026
SUNRUN INSTALLATION SVCS Solar/Anne Arundel County 99 permits/to Sep 2026
SUSTAINABLE ENERGY SYSTEMS Solar/Anne Arundel County, Baltimore County, Frederick County, Howard County 98 permits/to Aug 2026
GREENBRILLIANCE LLC Solar/Anne Arundel County, Frederick County, Howard County, Prince George's County 97 permits/to Aug 2026
SOLAR SME INC Solar/Frederick County, Howard County 79 permits/to Dec 2025
Nova Solar, Inc. Solar/Anne Arundel County, Frederick County, Howard County 54 permits/to Sep 2026
Geoff Mirkin Solar/Baltimore County 53 permits/to Apr 2023
Venture Home Solar, LLC Solar/Frederick County, Howard County, Prince George's County 50 permits/to Sep 2026
LGCY INSTALLATION SERVICES LLC Solar/Anne Arundel County, Howard County 46 permits/to Sep 2026
AMERICAN HOME CONTRACTORS Solar/Anne Arundel County, Frederick County, Howard County 45 permits/to Aug 2026
INTEGRATESUN LLC Solar/Frederick County, Howard County 44 permits/to Feb 2026
GREEN BRILLIANCE LLC Solar/Howard County 42 permits/to Jul 2026
VENTURE SOLAR/VENTURE HOME SOLAR LL Solar/Howard County 42 permits/to Aug 2026
ROBERT L REICHEL Solar/Frederick County 41 permits/to Mar 2024
Joe Rice Solar/Baltimore County 39 permits/to Feb 2023
GAF ENERGY LLC Solar/Anne Arundel County, Baltimore County, Howard County 37 permits/to Aug 2026
Gabriel Boumel Solar/Frederick County 36 permits/to Sep 2026
CAPERS ELECTRICAL SERVICES LLC Solar/Anne Arundel County, Frederick County, Howard County, Prince George's County 34 permits/to Aug 2026
Energy Select LLC Solar/Frederick County, Howard County 34 permits/to Sep 2026
410EnergySolutions Solar/Howard County 30 permits/to Dec 2025
GEOFF SOLAR ENERGY WORLD Solar/Prince George's County 30 permits/to Sep 2026
FORT ELECTRIC Solar/Howard County 29 permits/to Jun 2026
SOLAR GAINES LLC Solar/Anne Arundel County, Baltimore County, Howard County, Prince George's County 28 permits/to Aug 2026
Solar Energy Services, Inc. Solar/Frederick County, Howard County 26 permits/to Dec 2025
IPSun Power Inc Solar/Anne Arundel County, Frederick County, Howard County 25 permits/to Aug 2026
M TEC SOLUTIONS LLC Solar/Frederick County, Howard County 25 permits/to Sep 2026
NATIONAL SOLAR ENERGY CORPORATION Solar/Howard County 24 permits/to Aug 2025
Brandon Shores Solar/Baltimore County, Prince George's County 22 permits/to Sep 2026
Key Solar Solutions Solar/Baltimore County, Frederick County, Howard County 22 permits/to Aug 2026
ROOFSIMPLE INC Solar/Frederick County, Howard County 21 permits/to Jul 2026
S&B ELECTRIC LLC Solar/Anne Arundel County, Howard County 20 permits/to May 2026
Cosmo Solaris LLC Solar/Frederick County, Howard County 19 permits/to Jul 2026
FATIMAH MCKNIGHT Solar/Frederick County 19 permits/to Mar 2026
GREEN CONSTRUCTION MULTI SERVICES Solar/Anne Arundel County, Howard County 19 permits/to Aug 2026
ION DEVELOPER LLC Solar/Anne Arundel County, Howard County 19 permits/to Aug 2026
JOSE PABON Solar/Baltimore County, Frederick County 19 permits/to Sep 2026
ReNu Solar Solar/Baltimore County, Frederick County 19 permits/to Aug 2026

Source: county permit records. Updated weekly.