plumbing

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.

24/7 emergency serviceair duct cleaningdrain cleaningdryer vent cleaningelectricalHVAC installationHVAC maintenanceHVAC repairtrenchless sewer repair

De Bella Mechanical, Inc. (DMI) is a full-service mechanical contractor based in Santa Clara, California, in Silicon Valley. Established in 1987 as an Ultra High Purity (UHP) Process Piping contractor serving the microelectronics/semiconductor sector, DMI now serves biotech, biopharmaceutical, and commercial HVAC and plumbing industries. It operates a facility with dedicated welding and fabrication bays for sheet metal and piping, and in 2011 established Bay Area Mechanical – Insulation (BAM) for insulation and firestop services.

boiler maintenanceboiler retrofitfirestopHVACinsulationpackage unit installationpreventative maintenanceprocess pipingsheet metal fabricationwelding

DeBorn Construction Inc. is a Class A Licensed Heavy Highway & General Build contractor based in Prince William County, Virginia, providing construction services in Virginia, Maryland and Washington since 2002. The company serves as a general contractor for commercial site development and utility construction, working on federal, state, county and private commercial projects.

asphalt pavingbioretention constructionconcrete sidewalksconstruction managementdemolitionerosion and sediment controlexcavation and gradinglandscapingplayground developmentstormwater managementunderground utility constructionwater line installation

DEC Contracting Group is a Florida-based commercial construction company in Fort Myers, specializing in design-build, general contracting and construction management. Since 2014 it has served clients throughout Florida, with more than 100 years of combined team experience, handling projects of any size on time and within budget.

construction managementdemolitiondesign-builddrywallelectricalgeneral contractingMechanicalmetal framingpaintingroofingrough carpentrysite workstorm drainagestructural repairs

DEFCON Underground Mfg. manufactures custom 100% all steel underground bunkers, bomb shelters and storm shelters built with high quality plate steel and reinforced structural metals. The company holds several welding and plumbing certifications and backs its shelters with a lifetime welding and craftsmanship warranty. It also offers electrical, plumbing, durability, defensive and luxury upgrades and supplies.

cathodic protectioncustom manufacturingspecialized coatingssteel plate cuttingwelding

Definitive Mechanical provides licensed plumbing, gas, emergency, commercial and residential service across Maryland, DC and Northern Virginia. The company offers 24/7 service and is MDOT MBE and VA SWaM Certified.

commercial serviceemergency servicegas serviceresidential service

DeFranco Plumbing, Inc. is a 2nd generation commercial and industrial plumbing contractor founded in 1980 by Ed DeFranco, a member of Plumbers Local 130. Family owned and operated for over 40 years, the company handles new construction, remodeling and addition projects, and is a leading backflow prevention and certification contractor in the Chicagoland area.

backflow certificationbackflow preventionequipment installationnew constructionpreventative maintenanceremodelingwater piping replacement

D/E/F Services Group, Ltd is a multifaceted multi-trade service and installation company serving New England for twenty years, providing Mechanical, Electrical, and Plumbing (MEP) services for building systems. Founded in 1999 as a specialized low-voltage installer providing Data, Electrical, and Fiber optic services, it now offers design/build and general construction services across multiple trades.

access controlcarpentryCCTV/video surveillanceConcreteelectrical installationfiber optic fusion splicingfire alarm installationHVAC installationintrusion detectionlow-voltage network cablingnew constructionrenovationsite work

Deig Bros. Construction is a multi-disciplined contractor located in Evansville, Indiana focusing on construction in the commercial, industrial, institutional, power generation and public works sectors. Other than specialty work, Deig Bros. self-performs the majority of construction work with its own workforce. As a multifaceted general contractor, Deig Bros. also regularly performs mechanical, plumbing, electrical, concrete and site utility work as a subcontractor to other General Contractors and Construction Managers.

concrete workdemolitionelectrical workgeneral contractingmechanical workpile driving and pullingpipeburstingsite utility workunderground boring

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.

24/7 emergency serviceair pressure testingbackflow prevention testingcommercial constructiondrain cleaningduct design and installationduct sealingHVAC installation and repairleak identificationpipe fittingproject management

Denali CS is a woman-owned and managed mechanical construction and service enterprise serving the DFW area and North Texas for over a decade. It provides mechanical solutions for commercial, government, and industrial projects ranging from preventive maintenance, renovation, remodel, and retrofit to new construction. It is a WBE, SBE, and HUB certified contractor with about 100 employees.

electricalEV charger installationHVACmechanical constructionnew constructionpipingpreventive maintenanceremodelrenovationretrofitsheet metalthermal insulation

Denver-Elek Inc. is a full service mechanical contractor established in February 1986, serving the Baltimore/Washington area. It specializes in new construction, mechanical renovations, and on-call service and maintenance contracts, with experience in government, institutional, industrial, and commercial fields. It is a union contractor affiliated with the Plumbers & Steamfitters Local Union 486 and employs 120 field and office staff.

boiler/chiller replacementclean room constructionHVAClab & medical gas systemsLEED projectsmechanical contractingprocess & utility pipingsteam & chilled water systemswater/waste water treatment

Denver Equipment Co. of Charlotte, Inc. is a nationwide design-build foodservice company offering turn-key design and installation of foodservice remodels throughout the US. Incorporated in 1990, it provides trademarked SERVTECH Custom Feeding Systems, patented DEPCON Decorative Utility Distribution Systems, QUICKBYTES Info-Cast and VERSATECH Versatile Foodservice Building Technologies, and a quick, low-cost foodservice retrofit and refresh program.

3D conceptual renderingsAutoCAD drawingscustom fabricationdesign-buildelectricalfoodservice designgraphicsinstallationMechanicalproject managementrefrigeration

Desert Express, LLC is a Veteran-Owned Small Business with over 25 years of combined experience in federal, state, and international government contracting. The multidisciplinary team specializes in electrical work, technical security systems, controlled access, logistics, and infrastructure solutions for mission-critical environments, including SCIF construction compliant with ICD 705 standards.

Ballistic and physical security installationscivil workControlled access solutionselectrical installationsFire alarm and fire door installationHeavy equipment operationHVACin-house engineeringlogisticsmanhole installationproject managementSCIF constructionSystems IntegrationTechnical security systemstransportationtrenchingUnderground utilities constructionwarehousing

Detroit Landmark Development (DLD) is a developer of economically accessible, high-quality residences in the Detroit market, founded in 2017. It uses supply chain and workforce strategies that reduce build-out costs, coordinates bulk procurement across developments, partners with local trade schools, and builds modern, energy-efficient, affordable homes incorporating smart home technology.

bulk procurementFinish CarpentryframingHVACproperty management softwaresmart home technology integrationSupply Chain ManagementVertical Assembly Line construction model

Devco Mechanical was founded in 1993 by Ed DeVlaeminck and serves the Columbia River Gorge with over 30 years of plumbing expertise. In 2021 the company branched out into HVAC. It provides reliable service and repair for residential and commercial plumbing and HVAC systems, and full-service plumbing and HVAC for commercial buildings and new construction projects, including water, sewer, gas, and fixture/duct installation.

final trim and testingHVAC installation and repairnew constructionresidential installsrough-inservice callswater, sewer, gas, and fixture/duct installation

Devil Dog Construction is a full-service Veteran owned and operated Construction Company serving Federal, private, and public sector clients in New Jersey. The company offers construction management and a broad range of contractor services, with professional staff experienced in all aspects of commercial construction and site activities.

commercial constructionconcrete foundation workconstruction managementexcavationhighway, road, street and bridge constructionHVACroofing

Reliable Comfort Economic Operation Reliable Comfort Economic Operation Reliable Comfort Economic Operation Reliable Comfort Economic Operation Reliable Comfort Economic Operation Reliable Comfort Economic Operation OUR MISSION Since our inception in 1918, we have established a reputation for excellence, quality, and outstanding customer service. Our mission is to satisfy our clients' Heating, Ventilation, and Air Condition objectives by meeting both their budget and schedule, solving any problems, and maintaining the highest quality of workmanship from start to finish. The Philadelphia Inquirer Building Renovation The historic Philadelphia Inquirer Building, which served as the Newspapers’ Administrative, printing and distribution headquarters for 83 years, lay idle until purchased by a local developer. Devine Brothers Inc. and AEI Engineers became part of the design/build team of the.

automated temperature controlsbackflow testing and certificationboiler and heat exchanger maintenancechiller and cooling tower maintenancedata center CRAC maintenancedesign-buildenergy managementHVAC installation and maintenancemechanical constructionsteam trap maintenance

DFW CAD Services is a certified Federal 8(a) General Contractor and Design-Build firm providing technical and Design-Build services in the Dallas Fort Worth area and across the country. It manages all phases of residential and commercial construction and maintenance, and is a participant in the SBA 8(a) Business Development Program and a certified DBE, MBE, SBE and Native American Owned Small Business.

CAD drawingsdesign-buildelectricalHVACproject managementResidential and commercial constructionroofingwater restoration

D&G Facility Services provides industrial equipment and facility services for government institutions, with over 30 years of industry experience. The company offers upkeep, repair, and management of buildings and their systems, electrical system installation, maintenance, and repair, and project management for facility engineering departments. It is a government contractor with CAGE code 9GBR0 and UEI U3WXZ217D8S7.

building maintenance and repairConstruction Serviceselectrical system installation, maintenance, and repairenergy conservationfacility improvementfacility managementmechanical servicesPest controlproject management

Diamond Remodeling LLC is a family-owned, licensed general contractor serving residential and commercial properties in Maryland and Washington, DC. The company offers home remodeling for kitchens, bathrooms, basements, and more, plus home additions, renovations, repairs, and upgrades. Its craftsmen have over 15 years of experience.

basement remodelingbathroom remodelingcarpentryelectricalhome additionskitchen remodelingrenovationsrepairs

Diamond Ridge Development Corporation has been in the general commercial construction industry since November 30, 1998. Facility Maintenance, Tenant Improvements and Remodeling are the core of its business. The company performs repairs, maintenance and remodeling tasks using in-house crews and a pool of company-approved subcontractors, and also operates and maintains rest areas for the Arizona Department of Transportation.

Acoustical ceilingscarpentryconstruction managementengineeringflooringframingproject managementstuccowall covering

Diaz Sheet Metal is a Maryland mechanical contractor specializing in commercial HVAC, precision sheet metal fabrication, and plumbing services. The company fabricates custom spiral, flat oval, and rectangular duct and fittings to SMACNA standards, and provides HVAC installation, repair, maintenance, cooling, heating, ductless systems, and plumbing services for commercial and residential properties.

3D CAD modelingBIM coordinationCNC plasma cuttingcustom sheet metal fabricationduct fabricationHVAC installationshop drawingsspiral and flat oval duct fabricationwelded grease duct fabrication

Digg Commercial LLC is an accredited, bonded, and insured heavy civil construction company working across Texas, particularly in the Lubbock area. It executes horizontal/heavy civil construction projects for individuals, government, and large corporations, including demolition, excavation, water, waste water, storm drain, plumbing, site concrete, structural concrete, bridges, buildings, and roadwork.

bridge constructiondemolitionexcavationheavy civil constructionroadworksite concretestorm drainstructural concretewater and waste water