24/7 emergency service

Daigle Oil Company, better known as DOC, is an employee-owned energy provider serving Northern and Central Maine since 1955. Founded by Guy Daigle in Fort Kent, DOC delivers heating oil, propane, gasoline, and diesel, sells and services heating and cooling systems, and operates DOC's Place motor fuel stations, Gentle Bear Car Washes, and North Maine Woods fueling depots. It became 100% employee-owned through an ESOP in 2015.

car washcommercial fuel delivery to on-site and remote tanksfuel deliveryheating system preventive careHVAC installation and service

Damon Mechanical is a mechanical contractor based in Auburn, Maine, offering commercial and industrial service for building mechanical systems. The company provides design/build, maintenance, estimating, and 24/7 emergency service, and has been installing and maintaining HVAC systems in Maine since Cliff Damon returned from WW2.

design/buildestimatingHVAC installationmaintenanceplumbingprocess pipingrefrigerationsolar water heating installation

Darious Hardin Heating & Air, Inc. is a full service HVAC contractor based in Savannah, TN, celebrating over 51 years of operation as a Carrier dealer. The company provides heating, cooling, furnace and air conditioning installation, repair and maintenance to residential and commercial customers in Savannah and surrounding communities, with 24/7 emergency service available.

duct sealingHVAC installationHVAC repairindoor air quality solutionsin-house fabricationpreventative maintenance

Overhead Door of Columbia is a family owned and operated business serving Columbia and the surrounding Midlands of South Carolina for over 50 years. In 2010 the Davis family acquired the company to sell, service, and install overhead garage doors. It provides commercial and residential garage door sales, installation, repair, and maintenance, including loading dock equipment repair and 24/7 emergency service.

commercial door servicegarage door installationgarage door maintenancegarage door repairloading dock equipment repair

DB Sales and Service is a manufacturers' representative and factory-authorized service provider for commercial-grade boilers, industrial equipment, HVAC and plumbing products in Southern California. Located in Anaheim, it provides boiler sales, installation, rentals, service, repair, retrofits, and parts, and has been serving industrial and commercial facilities since 1976.

boiler installationboiler maintenanceboiler rentalsboiler repairboiler retrofitsboiler retubescombustion tune-upscontrol upgradesemission monitoringmetallic repairs and alterationsrefractory repair

DC USA Doors specializes in commercial storefront door glass repair and replacement across the DC metro area, serving Washington DC, Northern Virginia and Maryland from a shop in Lorton, VA. They stock standard-size laminated and tempered commercial door glass and cut laminated glass to any size, aiming to replace broken storefront door glass the same day. They also offer 24/7 emergency board-up and repair of closers, hinges, pivots and locks on aluminum storefront doors.

emergency board-upglass cutting to sizesame-day glass replacementstorefront door hardware repair

DEAR Services is a residential home comfort company in Kent, Washington, founded in 2014 by owner David Hirst. It provides HVAC, plumbing, and electrical services to families throughout the Puget Sound region, offering 24/7 emergency service, maintenance plans, and financing.

air duct cleaningdrain cleaningdryer vent cleaningelectricalHVAC installationHVAC maintenanceHVAC repairplumbingtrenchless sewer repair

De'Fanama Electric is a professional electrical solutions company specializing in the installation, maintenance, and repair of electrical systems for residential, commercial, and industrial clients. Its certified electricians provide electrical installation and upgrades, full home wiring, electrical repair and maintenance, circuit breaker services, and general electrical services, with 24/7 emergency availability and free estimates.

circuit breaker installation and repairelectrical installationelectrical repairfull home wiringlighting installationmaintenancesmart home integration

Del-Air Mechanical Contractors, Inc. is a family owned and locally run commercial HVAC and plumbing company serving Knoxville and East Tennessee since 1980. Founded by Dwane Lay, it is an unlimited licensed mechanical contracting and service company with more than 150 full-time employees, operating four main divisions providing commercial construction, HVAC, plumbing and pipe-fitting service to educational, industrial, retail, office building, healthcare, and manufacturing markets.

air pressure testingbackflow prevention testingcommercial constructiondrain cleaningduct design and installationduct sealingHVAC installation and repairleak identificationpipe fittingplumbingproject management

Densel Company is a commercial HVAC contractor serving the Washington, DC metropolitan area since 1970, founded by Harry Densel and Bobby Gilman. It provides HVAC installation, maintenance, and repair for commercial properties, universities, hospitals, religious institutions, and high-rise buildings, and is a union contractor of Steamfitters Local 602 and Sheetmetal Local 100.

control system servicesductwork fabricationenergy-efficient HVAC designHVAC installationHVAC maintenanceHVAC repairmechanical equipment assessmentssheet metal fabrication

Design Mechanical, Inc. (DMI) is a 100% employee-owned mechanical construction and service company providing commercial and industrial HVAC solutions. Founded in September 2003, it serves the Kansas City and Wichita markets with over 140 service technicians and more than 200 employees, offering design-build engineering, installation, repairs, maintenance, and 24/7 emergency response.

air and water balancing (NEBB Certified)building automation controlsdesign-build engineeringeddy current tube testingHVAC design and constructionmechanical pipingpreventative maintenancerefrigerationsheet metal fabricationultrasonic flow testingvibration analysis testing

DEYA Elevator Service Inc. is a Puerto Rican company providing vertical transportation solutions for public and private clients in Puerto Rico and the Caribbean. With over 55 years of experience, it offers elevators, escalators, mobility solutions, funiculars and cable cars, from design to installation, plus modernization, cabin decoration, maintenance and 24/7 emergency service.

cabin decorationelectronic card repair laboratoryinstallationmaintenancemanufacturingmodernizationOSHA safety training

Direct Current Preventive Maintenance LLC (DCPM) is a Veteran-Owned Critical Power Management Company based in Manvel, Texas. It sells, services, and installs critical power equipment, specializing in uninterruptible power supply (UPS) preventive maintenance and preventive maintenance on batteries of all chemistries. Its scope of work is based on IEEE standards and can be tailored to each site, with same-day onsite reporting.

battery removal and replacementcommissioningload testingpreventive maintenancerepairsstartup

Diversified Laboratory Repair® (DLR), part of Trane Technologies' Life Science Solutions, is an ISO 9001:2015-certified service organization that specializes in comprehensive maintenance, repair, calibration, installation, relocation, and validation services for all types of laboratory equipment. Since 2004, its trained service technicians have focused on temperature-sensitive life science equipment, offering 24/7 emergency service 365 days a year.

calibrationinstallationlaboratory equipment maintenanceliquid nitrogen servicespreventive maintenancerelocationrepairvalidation and commissioning

DL Walker is a veteran owned and operated food equipment dealer in Lansing, Michigan, serving the greater Mid-Michigan area. They sell new, used, and refurbished commercial kitchen equipment, stock a wide variety of parts, and provide 24-hour commercial kitchen and appliance repair services with certified technicians.

commercial freezer repaircommercial kitchen equipment salescommercial refrigeration repairequipment repair

DMC Service, Inc. is a licensed, bonded and insured commercial mechanical contractor based in Olathe, Kansas, serving the Kansas City metro since 2004. It is a 100% woman-owned business (WBE) and Small Local Business Enterprise (SLBE) providing 24/7/365 commercial HVAC and plumbing repair, maintenance, installation and emergency service to midsize businesses, warehouses, data centers, banks, retail spaces and offices.

backflow testingboiler and water heater repair and replacementcamera scopingcommercial gas pipingdrain cleaningHVAC service and repairhydro jettinginstallationplumbing repairpreventative maintenance

D.M. Kelly is a locally owned and operated plumbing company based in Enumclaw, Washington, serving homeowners, businesses, and contractors across Washington State, including King and Pierce counties. It provides residential, commercial, and 24-hour emergency plumbing, handling everything from routine repairs to new commercial construction.

backflow testingboiler installationcommercial plumbingexcavationgrease interceptor installationhigh pressure water jettingre-pipingResidential plumbingvideo pipe inspection

Dolakeh Gono Co is a licensed and insured drywall and handyman contractor founded in 2010, serving homes and businesses in Atlanta GA, Greenville SC, and Birmingham AL across 45+ counties. The company reports 5,000+ completed projects and offers drywall repair, installation, finishing, texturing, painting, furniture assembly, moving assistance, yard maintenance, and 24/7 emergency services.

drywall finishingdrywall installationdrywall repairfurniture assemblymoving assistancepaintingtexturingyard maintenance

Donnelly Mechanical is a New York City commercial HVAC mechanical contractor with over 30 years of experience and 200+ employees. It provides commercial HVAC service, maintenance, and construction, serving more than 1,700 NYC companies with preventive maintenance, 24/7 emergency repair, building engineering services, indoor air quality assessment, and systems analysis and commissioning. Donnelly Mechanical is an Equans company.

building engineering servicesCommercial HVAC installationdesign build solutionsequipment retrofits and upgradesHVAC maintenance and repairindoor air quality assessmentmulti-site service contractssystems analysis and commissioning

Doors On Demand LLC is a provider in the overhead door industry serving the Hampton Roads area since 2002, based in Curlew Industrial Park in Norfolk, Virginia. The company specializes in the sales, service, and installation of garage doors, sectional doors, rolling steel doors, operators, and loading dock equipment for commercial, industrial, residential, and government sectors, and is experienced in Shipyard and Navy Ship contracts.

certified fire door drop testinginstallationlow headroom solutionspreventative maintenanceretrofitssalesservice and repairtorsion spring installation

Douglas Garage Door Center Inc is a full-service, family-owned and veteran-owned, locally operated company serving a 50-mile radius of Hartford, CT, and has been in business for 60 years. They provide sales, installation, service, and repair of residential and commercial garage doors, openers, and awnings, and offer 24/7 emergency service and preventative maintenance contracts.

installationpreventative maintenancerepairsalesservice

Douglas Orr Plumbing, Inc. is an employee-owned and operated plumbing company serving South Florida since 1974. Based in Miami Springs, FL, it provides residential, commercial, and new-construction plumbing services across Miami-Dade, Broward, and Palm Beach counties, including 24/7 emergency service. The company operates a certified training center and its plumbers are Medical Gas Certified and Backflow Certified.

backflow prevention and testingBIM coordinationcertified training centerdrain cleaningestimatinghydro jettingleak detectionmedical gas certificationnew construction plumbingsewer camera inspections

Dows Equipment is a third-generation, family-owned company founded in 1965 that sells and services automotive and fleet garage equipment throughout Michigan and the surrounding region. Its Automotive Lift Institute certified team installs and maintains car lifts, compressed air systems, and related shop equipment, and it is a Rotary Authorized Installer and Rotary lift authorized dealer.

air piping and distributionequipment installationpreventative maintenanceproject consultingservice and repairsystem designsystem evaluation

D.P. Wolff, Inc. designs, installs and maintains commercial HVAC, plumbing and mechanical systems for businesses, hospitals, laboratories, data centers, college campuses and religious institutions. Serving Westchester, Putnam, Dutchess, Rockland and Orange counties and the New York Metro area since 1994, the company offers construction and service from one source, including preventive maintenance and 24/7 emergency service.

building automation/controlscommissioningHVAC constructionplumbing constructionpreventive maintenanceretrofit and replacement installationssystem and energy analysis