design assist

Collins Electric Co., Inc. is an electrical contracting and design firm established in 1906 and in its fifth generation of family ownership, serving commercial, industrial, and institutional facilities across western Massachusetts. It is described as the largest employer of electrical tradespeople in the region and a leader in designing and wiring office buildings, hotels, manufacturing facilities, warehouses, shopping centers, parking garages, hospitals, and educational facilities.

24-hour emergency responsecable splicing and testingcommunication networkingelectrical contractingElectrical Designenergy managementfire alarm systemslow voltagemedium voltagepower distribution analysisPre-construction servicesstand-by generator systemssubstation constructiontransformer replacementvalue engineering

Visit Quantum Industrial Our Story Contributing to Arizona's Commercial & Industrial Growth Since 2002 Crawford Mechanical Services (a Quantum Industrial company) is one of the largest and most trusted mechanical and plumbing contractors in the industry, offering a full range of services across Arizona. We deliver precision, innovation, and exceptional craftsmanship from ground-up construction and specialized projects to service, maintenance, and in-house fabrication. Our team provides comprehensive solutions for even the most complex commercial and industrial needs. Read More Construction Special Projects Service & Maintenance Commercial Healthcare Industrial Hospitality Critical Environment Education Municipal Work With Us Industrial Manufacturing Facility Chandler, AZ 85224 Industrial Manufacturing Facility Tempe, AZ 85281 Hilton Home2 TRU Hotel Phoenix, AZ 85012 Elliot Tech Center.

air balancingbackflow testingbrazingcentral plant optimizationclean room optimizationcoil cleaningdesign-buildenergy auditsHVAC constructionin-house fabricationinstallationpipe fittingplumbing constructionpreconstruction servicesprefabricationservice and maintenancevalue engineeringwater treatment and purificationwelding

Critchfield Mechanical, Inc. (CMI) is a California-based mechanical and plumbing contractor founded in 1977, specializing in the design, fabrication, and installation of HVAC and plumbing systems. CMI serves owners, developers, architects, and general contractors on complex commercial projects nationwide through an integrated design-build approach that unites engineering, fabrication, project management, and field installation. It has Northern California (San Jose) and Southern California (Huntington Beach) offices.

BIM/VDCdesign-buildductwork fabricationengineeringfabricationfield installationHVAC installationLEED sustainable designpiping spool prefabricationplumbingPreconstructionprefabricationprocess pipingproject managementTenant improvement

Crown Corr is a nationally recognized facade contractor specializing in advanced building envelope systems, with over 65 years of experience nationwide. Headquartered in Gary, Indiana, the company provides design, engineering, shop fabrication, and complete installation of enclosure systems for complex architectural projects across 42 states.

3D modeling/BIM3D printing/prototypingcurtain wall assembly and glazingmetal panel fabricationsheet metal fabricationstructural engineeringstructural steel fabrication

Crucible Construction is a full-service general contractor headquartered in Spanish Fort, Alabama, serving the Gulf Coast and Southeastern United States. It holds unlimited general contracting licenses across Alabama, Florida, Louisiana, and Mississippi, and delivers residential, commercial, and custom builds with a focus on integrity, precision, and craftsmanship.

bid-buildconstruction managementConstruction Manager At-Riskdesign-bid-builddesign-buildgeneral contractingPre-construction servicesrenovationstenant buildouts

CurrentMaster Electric is a union-built electrical contractor serving New Jersey, Pennsylvania and Delaware. It delivers electrical scopes for commercial buildings, public works, clean energy facilities, institutions and utilities, and is signatory to multiple IBEW locals. The company is a certified MWBE and SBE in New Jersey and Pennsylvania, with crews holding OSHA 30 and NFPA 70E credentials.

BIM coordinationdesign-buildelectrical contractingemergency responseEV charger installationinterconnectionlow voltage systemspreconstruction and budgetingSCADA supportsolar/photovoltaic installationtrenching

Davenport Electric is a full service electrical contractor based in Davenport, Iowa, serving the Quad Cities and surrounding areas. Established in 1921 by Hiram Heysinger, it is one of the oldest electrical contractors in Iowa. All electricians are licensed through the state of Iowa and receive ongoing training. The company offers electrical construction services for commercial, industrial, outdoor/utility, low voltage/data, and technology projects.

24 hour emergency serviceaerial truck capabilities up to 110'airport runway lightingautomation/PLC installationdesign-buildelectrical constructionfiber optic cablingfire alarm systemsgenerator installationsmedium voltage installationsprocess control systemsroadway lightingtraffic signals

DELTA Electrical Contractors, LTD is a family owned and operated industrial and commercial electrical contractor headquartered in Cincinnati, Ohio, established in 1998. It provides quality electrical installations in the Greater Cincinnati and Northern Kentucky area and is licensed to do business in Ohio, Kentucky and Indiana. Clients include government entities, schools, airports, heavy industrial and manufacturing facilities, data centers, and office buildings.

design-buildelectrical installationsnew constructionremodelsservice work

Dempsey Construction is a San Diego-based general contracting company serving commercial property owners and tenants. It provides full-service preconstruction and commercial construction services, guided by its Return on Experience (ROE) and Estimate-Based Approach™. The company reports delivering more than 1.8 billion square feet of commercial build improvements and is licensed in AZ, CA, NM, and NV.

3D Modelingconstructability analysisgeneral contractingon-site supervisionPreconstructionproject managementquality controlsafety managementscheduling

Deneuve Construction Services is a design-build general contractor founded in Boulder, Colorado in 1971 and incorporated in 1973. It has built projects across Colorado and fourteen other states, including retail, office, restaurant and hospitality, historic renovations, adaptive re-use, schools, mixed-use, medical, university, and multi-family residential, and is known as a leading builder of affordable and supportive housing.

construction managementdesign-buildgeneral contractingPreconstruction

DHC Contracting is a full service general contractor specializing in commercial construction projects in the Pacific Northwest. The company provides white-glove service from preconstruction and planning through handover, and is a Veteran-Owned Small Business and certified Service Disabled Veteran Owned Company. Principal & Founder Doug Bardin has nearly 20 years of construction industry experience.

commercial constructiondesign-buildPreconstructionproject managementrenovation

Division 7 is a full-service commercial and industrial building envelope contractor based in El Paso, TX, with over a decade of industry experience. Specializations include high-build roof and wall coatings, roofing, architectural paneling, custom metal fabrication, and pre-manufactured awnings. The company is a member of the El Paso Association of Contractors and a manufacturer certified contractor.

architectural panelingbudget planningcustom metal fabricationemergency repairshigh-build roof and wall coatingspreventative maintenanceroofingvalue engineering

DMR Associates, Inc. has provided heating, ventilating and air conditioning (HVAC) equipment sales representation and service for commercial, government, healthcare, institutional and industrial buildings in the Washington, D.C. metropolitan area since 1969. It specializes in custom environmental solutions and serves as a design-assist partner, engineering replacement equipment for retrofit projects.

aftermarket parts supportequipment selection and applicationfield troubleshootingHVAC system and equipment designretrofit and replacementstart-up and warranty laborsubmittal generation

Family owned and founded in 1959 in Paola, Kansas, Doherty Steel Inc. is an AISC-certified structural and miscellaneous steel fabricator and erector serving the Midwest. The company provides detailing, design build and design assist, material procurement, precision fabrication, and field erection, with a 165,000 square foot facility capable of 20,000+ tons of fabricated steel per year.

design-buildhand rail installationmaterial procurementprecast erectionSDS2 3D modelingsteel detailingsteel erectionsteel fabrication

Donley's is a concrete construction company whose origins in the concrete business date back to its founding in 1941. It provides concrete services, restoration, parking decks, specialty services, design-build and design-assist, and integrated project delivery. Structural concrete is described as its core competency, and it is employee owned.

architectural concretecast-in-place concreteconcrete retrofitcore drillingdemolition and replacementdesign-buildexpansion joint repair and replacementfloor grinding/levelingformworkIntegrated Project DeliveryLean constructionpost tension repairPreconstructionresinous flooring and traffic coatingsealers/hardenersstructural repairwaterproofing

Dowdle & Sons Mechanical is a commercial and industrial plumbing, piping, and HVAC contractor serving the 9 Bay Area counties and the greater Sacramento area. Started in 1996 by Andy & Shelley Dowdle and incorporated in 1997, the company performs new construction, remodels/retrofits, and service for piping, plumbing, and HVAC, and is signatory to UA Local 343 and Sheet Metal Workers Local 104.

architectural sheet metaldesign-buildHVAC service, repair, and installationnew constructionpipingplumbingremodels/retrofitssheet metal fabricationVictaulic systemswelding

Dumour Services LLC is a full service general construction company established in 2014. It serves the federal government and private sector, providing construction services across pre-construction, construction, and post-construction phases. Dumour is a certified 8(a), Minority & Women Owned Business Enterprise.

constructability assessmentsdelegated designdesign-buildgeneral constructionLean constructionMEP reviewon-site managementpreconstruction planningproject managementQuality Managementsafety managementself-performed HVACvalue engineering

Duro Electric Company is an electrical contractor serving the Denver, Colorado area since 1979. It specializes in all scopes and sizes of electrical construction across markets including commercial, health care, education, hospitality, manufacturing, multi-family, mission critical, public works, senior living, tenant improvement and worship. The company is an Everus company.

BIM and 3D coordinationdesign-buildelectrical constructionemergency responseestimatinginfrared scanningLED retrofitsPreconstructionprefabricationservice and maintenancevirtual design

Durwood Construction is a commercial drywall, framing, and acoustical subcontractor founded in 2022 and based in Monroe, Louisiana. Licensed across six Southeastern states, it self-performs interior, exterior, and specialty systems for federal, healthcare, justice, defense, and education projects, partnering early with general contractors on design-assist and preconstruction.

acoustical ceiling installationBIMexterior systems installationmetal framingprefabricationself-performed ceilingsself-performed drywallself-performed framing

commitment to quality, integrity, teamwork, and community is the cornerstone of our services, and what differentiates DVB from competitors. About Us Our team of multi-disciplined experts set you up for success in the long run. DV Brown has grown into one of WNY’s leading general mechanical contractors. The knowledgeable and highly skilled team of HVAC, plumbing, refrigeration, fabrication, and piping experts at DV Brown provide the highest quality turnkey mechanical solutions.We routinely exceed customer expectations by: Determining the best and most cost-effective solution to customer needs. Efficiently managing resources to produce the best value. Completing projects on time and under budget. Servicing equipment and systems with qualified and highly skilled technicians. Our History DVB is owned and operated in Buffalo, NY, where it began in 1992. It now employs over 200 exceptional.

computerized plasma cuttingdesign-buildductwork fabricationdust collectionHVAC-RKitchen & Grease Ductlaser scanningplan & specplumbingprefabricationprocess pipingsheet metalvalue engineeringVDC/BIMventilation systems

Dynamo is an engineering-driven heavy civil contractor delivering technically demanding heavy-civil and marine construction projects, including dam structures, water and wastewater treatment facilities, bridges, and complex structural steel and reinforced concrete systems. The company emphasizes early engineering, constructability, disciplined planning, and clear communication with owners.

CMAR/CMGCconstructabilitydesign-bid-builddesign-buildearly engineeringsequencing

East Coast Metal Systems, Inc. (ECMS) is a full-service fabricator and installer of custom engineered architectural metal and interior/exterior envelope systems, incorporated in 1990. It operates a 60,000-square-foot metal fabrication facility and serves markets across the United States, guiding clients from design and development through installation.

3D BIM shop drawingsConstruction Servicescorporate identity programscustom engineeringdesign-buildestimating and budgetingfield supervision and installationhistoric restorationmetal panel fabricationPre-construction servicesSecure-Scan 3D laser scanningvalue engineering

EC Constructors, Inc. (ECC) is a family-owned and operated construction company specializing in Public Works General Building Construction. In addition to general contracting, ECC performs concrete construction, framing, and general carpentry work. ECC focuses on efficient construction processes and collaboration with design professionals, and bids on public projects using hard-bid, design-build, and CM-at-Risk delivery methods.

CM at Riskconcrete constructiondesign-buildframinggeneral carpentrygeneral contractinghard-bid delivery

E-J Electric Installation Co. is a privately-owned electrical contractor founded in 1899 in New York City by Jack Enright and Theodore Joseph. The company provides electrical construction services nationwide, with over 4,600 employees across 33 offices, serving markets including data centers, transit, healthcare, power generation, renewables, airports, and sports stadiums.

3D BIM engineeringdesign-buildelectrical constructionemergency responseEPCmaintenance and serviceoff-site manufacturingpower constructionprefabricationsolar installationstorm recoverysubstation constructiontrade managementtransmission and distribution