Haus of ContractorsDIRECTORY
Virginia · Maryland · Washington DC

Find Licensed Commercial
HVAC, Electrical & Plumbing
Contractors in the Mid-Atlantic

The most trusted directory of verified commercial contractors — electricians, HVAC specialists, plumbers, and mechanical pros in VA, MD, and DC.

✔ Verified State Licenses✔ Fast-Response Contractors Only✔ Free to Search — No Account Needed
615
Contractors Listed
12
Cities Covered
6
Trade Categories
4,820
Verified Reviews
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Browse by Trade

Find licensed specialists across all commercial MEP disciplines.

Commercial Electricians

Commercial Electricians

148 contractors listed

HVAC Contractors

HVAC Contractors

124 contractors listed

Commercial Plumbing

Commercial Plumbing

97 contractors listed

Mechanical Contractors

Mechanical Contractors

83 contractors listed

Fire Protection

Fire Protection

61 contractors listed

Backflow Prevention

Backflow Prevention

44 contractors listed

Featured Contractors

Verified, claimed businesses with complete profiles.

Capitol Electrical ServicesVerifiedClaimed

New Construction & Industrial

Featured
4.8(47 reviews)·18 yrs in business
4210 Chain Bridge Rd, Fairfax, VA 22030
New ConstructionIndustrialEmergency Repair
License: VA-EL-048291
(703) 253-9780View Profile
Potomac Climate SolutionsVerifiedClaimed

Commercial HVAC & Chiller Systems

Featured
4.9(61 reviews)·22 yrs in business
7200 Wisconsin Ave, Bethesda, MD 20814
Chiller SystemsRooftop UnitsPreventive Maintenance
License: MD-HVAC-009341
(301) 825-4447View Profile
District Plumbing & MechanicalVerifiedClaimed

Backflow Prevention & Water Treatment

Featured
4.7(54 reviews)·26 yrs in business
1350 Connecticut Ave NW, Washington, DC 20036
Backflow PreventionWater TreatmentGrease Traps
License: DC-PL-007823
(202) 468-1315View Profile
FireGuard Mid-AtlanticVerifiedClaimed

Sprinkler Systems & Fire Suppression

Featured
4.9(43 reviews)·17 yrs in business
2800 Eisenhower Ave, Alexandria, VA 22314
Sprinkler SystemsFire SuppressionNICET Certified
License: VA-FP-019034
(800) 644-9113View Profile
Capital City Plumbing Co.VerifiedClaimed

Healthcare & Government Facilities

Featured
4.8(71 reviews)·34 yrs in business
900 7th St NW, Washington, DC 20001
Government FacilitiesHealthcareFederal Buildings
License: DC-PL-001147
(202) 468-1315View Profile
Reddick & SonsVerifiedClaimed

HVAC

Featured
4.6(436 reviews)·0 yrs in business
Fairfax, VA
HVACPlumbingElectrical
License: VA-10004
Claim — from $49/moView Profile
Residential Express Heating & AirVerifiedClaimed

HVAC Installation

Featured
5.0(473 reviews)·0 yrs in business
Fairfax, VA
HVAC InstallationAir Duct CleaningWater Heater Services
License: VA-10009
Claim — from $49/moView Profile
ElectrisourceVerifiedClaimed

Commercial Electrical

Featured
4.8(164 reviews)·0 yrs in business
Arlington, VA
Commercial ElectricalPanel UpgradesTroubleshooting
License: VA-10012
Claim — from $49/moView Profile
Tim Whistler Plumbing & Gas FittingVerifiedClaimed

Commercial Plumbing

Featured
4.7(382 reviews)·0 yrs in business
Washington, DC
Commercial PlumbingGas FittingWater Heater Services
License: DC-30021
Claim — from $49/moView Profile
Daniel's Home ServicesVerifiedClaimed

Commercial Plumbing

Featured
4.6(149 reviews)·0 yrs in business
Washington, DC
Commercial PlumbingHVACWater Heater Services
License: DC-30022
Claim — from $49/moView Profile
Michael Bonsby HVAC and PlumbingVerifiedClaimed

HVAC

Featured
4.6(436 reviews)·0 yrs in business
Bethesda, MD
HVACPlumbingCommercial Services
License: MD-20041
Claim — from $49/moView Profile
B&B Air Conditioning & Heating ServiceVerified

Commercial HVAC & Refrigeration

Featured
4.9(332 reviews)·0 yrs in business
Fairfax, VA
HVACCommercialLicensed
License:
+1 703-560-9444View Profile
AVS Heating and Air ConditioningVerified

Commercial HVAC & Refrigeration

Featured
4.8(156 reviews)·0 yrs in business
Fairfax, VA
HVACCommercialLicensed
License:
+1 703-457-9028View Profile
Frosty's, Inc.Verified

Commercial HVAC & Refrigeration

Featured
4.8(530 reviews)·0 yrs in business
Alexandria, VA
HVACCommercialLicensed
License:
+1 703-671-9193View Profile
AZA heating, cooling, plumbing & constructionVerified

Commercial HVAC & Refrigeration

Featured
5.0(1003 reviews)·0 yrs in business
Alexandria, VA
HVACCommercialLicensed
License:
+1 202-733-8633View Profile
B&B Air Conditioning & Heating ServiceVerified

Commercial HVAC & Refrigeration

Featured
4.9(583 reviews)·0 yrs in business
Rockville, VA
HVACCommercialLicensed
License:
+1 866-604-1220View Profile
AMS Air Conditioning & HeatingVerified

Commercial HVAC & Refrigeration

Featured
4.8(118 reviews)·0 yrs in business
Rockville, VA
HVACCommercialLicensed
License:
+1 240-899-5777View Profile
Anthony & Son Indoor Air Quality, LLCVerified

Commercial HVAC & Refrigeration

Featured
4.8(884 reviews)·0 yrs in business
Rockville, VA
HVACCommercialLicensed
License:
+1 240-683-6862View Profile
Home Air ServicesVerified

Commercial HVAC & Refrigeration

Featured
4.8(122 reviews)·0 yrs in business
Rockville, VA
HVACCommercialLicensed
License:
+1 301-585-8100View Profile
Heating Ventilation Air Conditioning Mechanical ServiceVerified

Commercial HVAC & Refrigeration

Featured
5.0(87 reviews)·0 yrs in business
Washington, VA
HVACCommercialLicensed
License:
+1 202-480-1337View Profile
Polar Bear Air Conditioning & Heating Inc.Verified

Commercial HVAC & Refrigeration

Featured
4.3(122 reviews)·0 yrs in business
Washington, VA
HVACCommercialLicensed
License:
+1 202-333-1310View Profile
Jimmy Gusky Heating & Air LLCVerified

Commercial HVAC & Refrigeration

Featured
4.2(249 reviews)·0 yrs in business
Washington, VA
HVACCommercialLicensed
License:
+1 202-953-2472View Profile
Fry Plumbing, Heating And Air Conditioning Corp.Verified

Commercial HVAC & Refrigeration

Featured
4.9(94 reviews)·0 yrs in business
Washington, VA
HVACCommercialLicensed
License:
+1 202-769-0338View Profile
Thomas E Clark IncVerified

Commercial HVAC & Refrigeration

Featured
4.8(314 reviews)·0 yrs in business
Silver Spring, VA
HVACCommercialLicensed
License:
+1 301-608-0550View Profile
Cycle Heating and Cooling, LLCVerified

Commercial HVAC & Refrigeration

Featured
4.9(78 reviews)·0 yrs in business
Silver Spring, VA
HVACCommercialLicensed
License:
+1 240-510-4720View Profile
AAA HVAC ServicesVerified

Commercial HVAC & Refrigeration

Featured
4.9(372 reviews)·0 yrs in business
Reston, VA
HVACCommercialLicensed
License:
+1 703-825-4973View Profile
AJ Long ElectricVerified

Commercial Electrical Systems

Featured
4.9(1139 reviews)·0 yrs in business
Fairfax, VA
ElectricalCommercialLicensed
License:
+1 703-997-0026View Profile
McLean Electric CompanyVerified

Commercial Electrical Systems

Featured
4.9(106 reviews)·0 yrs in business
Woodbridge, VA
ElectricalCommercialLicensed
License:
+1 703-590-7711View Profile
Wilcox Electric LLCVerified

Commercial Electrical Systems

Featured
4.9(396 reviews)·0 yrs in business
Hyattsville, VA
ElectricalCommercialLicensed
License:
+1 301-583-8888View Profile
Long's CorporationVerified

Commercial Plumbing & Pipefitting

Featured
4.6(116 reviews)·0 yrs in business
Fairfax, VA
PlumbingCommercialLicensed
License:
+1 703-323-1776View Profile
Affordable Plumbing & Gas LLCVerified

Commercial Plumbing & Pipefitting

Featured
4.9(129 reviews)·0 yrs in business
Arlington, VA
PlumbingCommercialLicensed
License:
+1 703-839-3910View Profile
Neptune's PlumbingVerified

Commercial Plumbing & Pipefitting

Featured
5.0(106 reviews)·0 yrs in business
Arlington, VA
PlumbingCommercialLicensed
License:
+1 571-473-6006View Profile
O'Neill Plumbing Services L.L.C.Verified

Commercial Plumbing & Pipefitting

Featured
4.7(261 reviews)·0 yrs in business
Alexandria, VA
PlumbingCommercialLicensed
License:
+1 703-655-0071View Profile
Len the Plumber Heating & Air, LLCVerified

Commercial Plumbing & Pipefitting

Featured
4.7(7177 reviews)·0 yrs in business
Alexandria, VA
PlumbingCommercialLicensed
License:
+1 667-237-7128View Profile
The Pipe Doctor Plumbing & Drain Cleaning ServicesVerified

Commercial Plumbing & Pipefitting

Featured
4.9(708 reviews)·0 yrs in business
Alexandria, VA
PlumbingCommercialLicensed
License:
+1 703-997-5462View Profile
Brownlee Plumbing LLCVerified

Commercial Plumbing & Pipefitting

Featured
4.9(263 reviews)·0 yrs in business
Alexandria, VA
PlumbingCommercialLicensed
License:
+1 703-477-9016View Profile
Roto-Rooter Plumbing & Water CleanupVerified

Commercial Plumbing & Pipefitting

Featured
4.8(2792 reviews)·0 yrs in business
Washington, VA
PlumbingCommercialLicensed
License:
+1 202-921-9873View Profile
JF Plumbing & HeatingVerified

Commercial Plumbing & Pipefitting

Featured
4.8(138 reviews)·0 yrs in business
Derwood, VA
PlumbingCommercialLicensed
License:
+1 240-859-2409View Profile
Serrano Contractors LLCVerified

Mechanical Systems & Piping

Featured
4.9(116 reviews)·0 yrs in business
North Bethesda, VA
MechanicalCommercialLicensed
License:
+1 240-837-4900View Profile

Browse by City

Programmatic SEO pages for every major market in the region.

Fairfax
VA
87 listed
Arlington
VA
74 listed
Alexandria
VA
68 listed
Springfield
VA
52 listed
Reston
VA
49 listed
Herndon
VA
41 listed
Bethesda
MD
63 listed
Rockville
MD
58 listed
Silver Spring
MD
47 listed
Gaithersburg
MD
39 listed
Washington
DC
112 listed
Tysons
VA
35 listed
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Apex Climate Control

HVAC Contractor · Fairfax, VA

4.9(312 reviews)

Northern Virginia's #1 rated commercial HVAC contractor. Serving data centers, office buildings, and multi-family properties since 1998. 24/7 emergency service available.

(703) 555-0182
Visit Website
24 Photos
Commercial HVACData Centers24/7 EmergencyPreventive MaintenanceIAQ Testing
#1 in Fairfax HVAC
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