maintenance

Rocky Mountain Dock and Door Specialties is a locally owned and operated business with more than three decades of experience serving the Rocky Mountain region and Colorado. They sell, install, service, and maintain commercial warehouse docks and doors, and also offer high-end residential garage doors. They provide 24/7/365 emergency repair and free estimates.

24/7/365 emergency repairemergency serviceinstallationrepair

D.L. Payne Inc. is Northern California's industrial electrical and control system specialist, serving industrial and commercial customers with comprehensive electrical, power and control system services. The company designs, builds, installs and maintains clients' systems, projects and facilities, and has been serving electric needs for 25 years. Based in Lodi, CA, safety is stated as its highest priority.

control systems integrationdesignelectrical installationinstrumentationrepairupgrade

DM Electrical and Construction LLC is a Houston, Texas electrical contractor providing commercial and residential electrical services in Houston, the Greater Houston area, and communities across Texas. Established in 2014, it designs, builds, powers and maintains electrical systems and sells, installs and services power generation technology. It is MBE/SBE/HUB certified and owned and operated by a master electrician.

controlsdesign-buildelectrical constructionemergency serviceinstallationLED fixture conversionpower generation installationretrofits

DMG HVAC is a full-service HVAC company with 55+ years in HVAC, offering a single point of contact for HVAC projects and maintenance. It provides equipment, controls, parts, service, air distribution, and industrial solutions, with divisions including ToroAire, MAPCO Hawaii, and Sharpe. It serves consulting engineers, contractors, architects, and developers across California, Nevada, and Hawaii.

commissioningcontrols integrationcustom fan assembly manufacturingdamper manufacturingengineering and designHVAC installationproject managementstart-uptechnical support

DMT designs and sells commercial radar systems and turn-key security solutions for applications including airports, border security, ports and harbors, dams, drone detection, mobile security vehicles, power plants, tank terminals, and waterways. DMT also sells AIS receivers, cameras, and integrated sensor suites, and offers installation, setup and commissioning, site surveys, maintenance, extended warranties, and training.

building backplatesbuilding tower and pole bracketscamera integrationdrone detectionextended warrantiesinstallationradar detection and trackingsetup and commissioningsite surveystraining

DOC Development, Inc. (DDI) is an SBA Certified 8(a) Contractor, Certified HUBZone Small Business Concern, and minority-owned small business founded in 2001 by President and CEO Radcliff Quarterman. DDI is SAM registered, a 2x GSA Contract Holder, and certified in ISO 9001-2015, Disadvantaged Business Enterprise, and Equal Business Opportunity programs. It offers water treatment systems, janitorial cleaning and chemical solutions, industrial and safety supplies, medical equipment and supplies, warehousing and logistics management, hospitality wares, and

3D Modelingcomputer-aided designsdata maintenancedefense training analysisdistributiondrawingsdrayage servicesEngineering Servicesequipment and systems testingfreight servicesjoint preparedness traininglight manufacturinglogistical supportprofessional servicesprototypingrepairsustainment supporttransportation and ground load checks

Dock and Marina Services is a family-owned marine construction company founded in 2018 and located in McAlester, Oklahoma. It designs, builds, and maintains residential and commercial floating docks and marinas, with projects across more than 22 states. The company manufactures hot-dipped galvanized steel dock framing in-house and offers dock repair, dock utilities, storm damage assessment, underwater repair, and installation services.

custom dock and marina designdock repairin-house steel framing fabricationinstallationmarine constructionstorm damage assessmentunderwater repair and dive work

Docks of the Bay is a full-service marine construction company based at 422 Chesapeake Drive in White Stone, Virginia. Since 2003, it has designed and built docks, piers, boat lifts, and bulkheads for waterfront owners on the Chesapeake Bay and its rivers, serving Virginia's Northern Neck, Middle Peninsula, and Tidewater region. It is a licensed Virginia Class A contractor and Virginia's authorized CanDock dealer for modular floating dock systems.

boat lift installationbulkhead installationdock constructiondredgingmarine constructionmarine repairrenovationshoreline protection

DOK-ING d.o.o. is a Croatian company that develops and manufactures unmanned robotic solutions for hazardous, dangerous and harmful environments, including military engineering, underground mining, emergency response and counter terrorism. It has over 30 years of experience, with more than 500 robotic systems deployed in over 40 countries. In 2026 Rheinmetall AG acquired a 51% stake, becoming majority shareholder.

after-sales supportground preparationmanufacturingmechanical deminingresearch and developmentrobotic systems developmenttechnical survey and clearancetraining

DONE PM LLC is a faith-based company located in central Texas that provides construction estimating, project management, general and subcontracting, framing, and cleaning/handyman services. The company states it has completed thousands of projects across Texas and has begun working in Colorado, New Mexico, and Oklahoma, and notes an A+ rating on the BBB and Google.

cleaningconstruction estimatingframing takeoffsgeneral contractinghandymanproject managementsubcontracting

Door Equipment Company installs, services, and maintains automatic pedestrian door systems for commercial and industrial facilities across Kentucky and Southern Indiana. Since 1976, the family-owned company has provided entrance solutions for healthcare, retail, and pharmaceutical facilities, backed by AAADM-certified technicians and 24/7 customer support. It also operates an Overhead Door Division serving the Indiana market.

access control systemsemergency repairsinspectionsinstallationservice

Door Tech, LLC offers a full selection of high-performance doors for residential, commercial, and industrial applications, including insulated garage doors, high-speed doors, rolling grilles, fire-rated doors, aircraft hangar doors, and electric operators and controls. They also provide Megadoor for aviation, aerospace, mining, and oil and gas operations. They install, maintain, and repair all types of overhead doors, serving Anchorage, Eagle River, Palmer, Wasilla, and communities across Alaska since 2002.

installationrepairshipping

Spire Ranges designs and builds indoor and outdoor shooting ranges for commercial, recreational, residential, law enforcement, and military clients across the US. The company provides concept design, construction, and a full line of shooting range equipment including target systems, bullet traps and containment, shooting stalls, and range camera systems, plus replacement parts and maintenance.

installationproject documentationshooting range constructionshooting range design

DP Facilities designs and builds critical data centers and provides colocation, custom design/build services, and disaster recovery solutions. Its flagship data center, Mineral Gap, is located in Wise, VA, and is a Tier III facility certified by Uptime Institute. The company is 100% U.S. owned and operated, with 50+ years of experience in enterprise data security and critical facility solutions.

colocationdata center design/buildengineering design/constructionhybrid coloReal Estate Developmenttelecommunications facilities

DPM Surface Care provides commercial floor cleaning, surface restoration, and long-term maintenance solutions for facilities across Nashville, Knoxville, Chattanooga, Dandridge, and Tri-Cities, Tennessee. With over 28 years of experience, the company specializes in carpet, upholstery, tile & grout, resilient flooring, concrete, stone, and exterior surfaces. It is a locally owned and operated Tennessee business and a Certified Women Owned Small Business.

carpet cleaningcommercial floor cleaningsurface restoration

Drainscapes STL LLC is a drainage company serving residential, commercial, and municipal clients in Greater St. Louis and St. Charles Counties in Missouri, including Lincoln, Warren, Franklin and Jefferson Counties. They specialize in stormwater management, offering design, maintenance, and installation of rain displacement systems, and now offer Best Management Practice (BMP) Inspections for Storm Water Management facilities.

BMP inspectionsdrainage system designdrain inspectionsinstallationsite visits

Dri-Con Roofing is a family owned and locally operated commercial roofing company based in Nampa, Idaho, serving over a dozen states and territories including AZ, CO, ID, MT, ND, NV, OH, OR, UT, WA, WY, and the USVI. Founded in 2012, the company serves industrial and government sectors with commercial roofing maintenance, repairs, and complete replacements, backed by a two-year workmanship warranty.

commercial roofingcustom metal fabricationemergency repairsmetal workshopnew construction design and buildroof inspectionroof replacement

D's Mobile Auto Works LLC is a mobile mechanic service based in Oklahoma City, OK, specializing in diagnostics, inspection, maintenance, and repair of vehicles of all makes and models. The owner has over 19 years of automotive repair and diagnostic experience and holds Master Automotive Technician status (A.S.E. A1-A8) and L1 Advanced Engine Performance Technician certification. The business brings the shop to the customer, saving tow fees and shop wait times, and also offers business-to-business and fleet services.

automotive diagnosticsbusiness-to-business diagnostic supportfleet mechanic serviceinspectionmobile mechanic servicerepair

Dubner Landscaping & Construction has been creating outdoor spaces in the Tri-State Metro area since 1966, with over 60 years of experience in landscape construction, installation, aftercare, and maintenance. The company handles residential landscaping, high-rise rooftops, commercial spaces, and infrastructure projects, including work at the Highline, Four Freedoms Park, One World Trade Center, and Field of Light at Freedom Plaza.

Aftercarecarpentrydemolitiondesign-builddrainageinstallationirrigationlandscape constructionlandscape designmasonrysupport of excavationvalue engineering

Duke & Duke Services provides installation and maintenance of industrial equipment. The business began nearly forty years ago with a primary focus on the installation and servicing of gas and steam turbines, and has expanded to include installation, maintenance and repair of automated machinery such as conveyor systems, bulk handling equipment, presses, cranes, robotics and rotating equipment. It also provides ironworker and millwright trade services including demolition, fabrication, steel erection and equipment setting, and is a manufacturer's represen

belt splicing/vulcanizingcutting and forming of metalsdemolitiondesign and manufacturing of material handling systemsdismantling equipment for shipping/disposalequipment settingfabricationhydraulic repairsinstallationironworker servicesmechanical splicesmillwright servicesrepairsteel erection

DunRite, Inc. is a construction company based in Chesapeake, Virginia, established in 1982 by partners David Tengquest and Pat Kelly. The company specializes in construction, remodeling, and maintenance of franchise restaurants, serving Hampton Roads and the surrounding region. Its clients include Burger King, Wendy's, McDonald's, and Taco Bell. DunRite emphasizes quality, integrity, and communication, and specializes in fast-track, short-term interior remodeling contracts.

designfast-track short-term contractsinterior remodelingremodelingrestaurant construction

Dutech Systems is a global IT consulting firm that provides end-to-end technology services, from IT strategy to IT solutions, for enterprises of every size. It has offices in Boston, MA, Austin, TX, and Hyderabad, India, and offers customized rather than off-the-shelf solutions.

Artificial Intelligencebusiness system implementationscloud computingdata warehousingintegrationIT consultingmobile app developmentproduct developmentproject managementtestingUI/UX designweb development

DVL Group is a 160+ person employee-owned company headquartered in Bristol, Pennsylvania, that designs, installs, and maintains mission critical data center power and cooling infrastructure. Founded in 1985 as Delaware Valley Liebert, Inc., it serves critical environments from the edge to large data halls across 11 states, with offices in Albuquerque, Denver, Harrisburg, Salt Lake City, and Boise.

commissioning and testingdata center evaluationsdesignfield servicesgenerator servicesHVAC serviceinstallationpower servicespreventative maintenancetotal site managementturnkey program managementUPS service

DWD International designs, manufactures, installs and maintains custom explosion-proof, corrosion-resistant HVAC and pressurization systems for industrial, offshore and marine environments. Founded in 1974, the company serves the energy industry with systems operating in extreme temperatures from -40°C to 55°C, and pioneered a VFD pressurization unit in 1990. All work is performed in-house at a 60,000-square-foot facility in Houston, Texas.

coatingcommissioningcustom designelectricalengineeringfabricationfactory acceptance testingMechanical assemblysteel fabrication