Engineering Services

DiFazio Power & Electric is an electrical contractor established in 1953 and operating under third generation family management, serving the New York metropolitan area and the North East in the commercial, industrial and power industries for over six decades. Architects, builders, owners and contractors rely on DiFazio to design, estimate and construct their high-profile projects.

constructiondesignelectrical contractingestimatingpower generationproject managementtelecommunications systems installation

DKBDC, led by Giulia Finetto and Dino Koljenovic, is a New York-based luxury construction and design firm specializing in high-end renovations, new construction, and bespoke interior design. The firm is known for townhouse renovations, navigating NYC co-op board reviews and approvals, and delivering intricate, high-end work in New York City and Tampa.

architectural servicescommercial build-outsconstruction managementInterior DesignLandscape Architectureluxury renovationsnew constructionsmart home integration

Diviney Infrastructure Group (DIG) provides utility services and consulting for underground infrastructure to municipalities, private entities, and utility professionals. Founded by Rebecca P. Diviney, PE and Justin Diviney, the company offers CCTV inspections, smoke testing, manhole inspections, seized valve release, fire flow testing, and engineering services, with a focus on regulatory compliance and infrastructure longevity.

asset managementCCTV inspectionscondition assessmentsfire flow testingGIS mappingmanhole inspectionsproject managementseized valve releasesmoke testing

studio 2G & DLR Group JV is an architecture-based Joint Venture specializing in Federal Work. Formed in 2022 when studio 2G Architects and DLR Group joined forces within the SBA Mentor-Protege Program, the JV combines studio 2G's local leadership with DLR Group's resources, focusing on the federal space with a commitment to sustainable design.

architectural designarchitectural programmingCAD / BIMConstruction documentsDrafting ServicesInterior Designproject managementQuality assurance / quality controlSustainable Design

D.L.S. Electronic Systems, Inc. is a full-service compliance testing laboratory and engineering firm headquartered in Wheeling, Illinois, with additional facilities in Genoa City, Wisconsin. Founded in 1983, it provides testing, consulting, and engineering services for EMI/EMC, wireless, product safety, environmental, and cybersecurity compliance needs.

consultingcybersecurity evaluation and testingEMI/EMC testingEnvironmental testingimmunity testingingress protection testingproduct safety testingradiated and conducted emissions testingsalt spray testingvibration and shock testingwireless/radio testing

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 servicesequipment and systems testingfreight servicesjoint preparedness traininglight manufacturinglogistical supportmaintenanceprofessional servicesprototypingrepairsustainment supporttransportation and ground load checks

Donatech Corporation is a privately owned Woman Owned Small Business and ISO9001:2015 and ITAR certified supplier of technical employees, headquartered in Fairfield, Iowa, with employees throughout the U.S. Founded in 1987 as an embedded software company, it has expanded into a talent provider offering staffing, recruiting and search services across 30+ states.

payrollingrecruitingsoftware testingstaffingtalent acquisition

Dream Fit Solutions, LLC (DFS) was founded to create opportunities for organizations, accelerating their outreach and expanding their networks. As a catalyst for Science and Technology innovations, DFS connects strategic partners and secures federal funding. DFS specializes in business development, project management, and engineering services, with experience managing large-scale, time-sensitive projects for public and private clients. Its proprietary Unified Mission Statement (UMS) helps clients discover goals and build plans of action.

business developmentCRM/ERP integrationdata managementprocess automationprocess evaluation and improvementproject managementquality management systemsstakeholder engagementstrategic market analysisstrategic-planning

DropReach Global provides strategic technology consulting, project management, and full-stack staffing solutions to government and enterprise clients. It delivers engineering, information technology, and professional services including IT security services and IT systems integration, with a focus on the U.S. federal market as a Small Disadvantaged Business, plus state and local and international (UAE) contracting.

agile program deliveryCloud migrationCybersecurityData Center OperationsDigital modernizationEnterprise Architecture consultingfacility managementHelp Desk ServicesIT systems integrationPMO supportTechnical staffing

DRRA is an 8(a) Certified and Woman-Owned Small Business with over 100 years of combined experience managing contracts and task orders. Its team includes policy and planning experts, engineers, economists, and scientists. DRRA specializes in water resources planning, plan formulation, environmental evaluation and compliance, decision support tools, adaptive management strategies, public involvement, and interagency coordination.

Environmental Consulting Servicesfreshwater mussel servicesLandscape Architectural ServicesResearch and Development in Social Sciences and HumanitiesScientific and Technical Consulting Services

DST serves U.S. Government partners and law enforcement with testing and training capabilities, and engineering and modification support for aircraft. Leveraging over 30 years of experience in the Hagerstown area, DST provides the U.S. Department of Defense, law enforcement and federal government agencies with technologically advanced ISR solutions, operating an exclusive fleet of specialized fixed wing aircraft for sensor testing, training and live operations.

aircraft modificationavionics upgradescustom cable harness fabricationFAA field approval and STC projectsflight testingprimary and secondary aircraft structure modificationsensor integrationsustainment engineering and troubleshootingSystems Integrationtrainingworkstation and equipment rack fabrication

Duke's Root Control, Inc. is a nationwide service provider that has been solving sewer system challenges for over 75 years. It is the leader in chemical root control, having treated over 450 million feet of sewer lines, serving over 2,000 active municipal and utility customers. The company provides sustainable, cost-effective solutions for wastewater, stormwater, water, gas, electric, and telecom utilities.

acoustic inspectionCCTV inspectionchemical root controlCIPP spot repairsGIS mappinghydro excavationmanhole inspectionmulti-sensor inspectionpipeline cleaningsmoke & dye testing

AeroTTech offers innovative Aerospace Technology Solutions to elevate your aerospace projects and drive success in the industry.

brazed corescold platesmicrotube heat exchanger technologyplate-fin coresproduct developmentshell-and-tube exchangersSystem architecturethermal analysisvapor chambers

DUO Technology is an engineering company located in Naples, Florida, providing engineering services for government contracts. Its management philosophy is based on teamwork, diversity, social responsibility, and mutual respect. The company also offers a low temperature turbo charger aimed at green energy and invites partnership, as well as development of ideas and import/export needs.

government contracting

Dynamic Analytics & Test, Inc. (DA&T) provides decision support and engineering services to advance US DoD Warfighter interests. The team combines science, engineering, and military skills to deliver objective, high-impact, timely engineering services to the U.S. DoD, applying Warfighting capabilities in modeling, simulation, and analysis to develop concepts integrated into Technology and Capability Roadmaps.

analysisdecision supportmodelingsimulationSystems Engineering

Dynamic Science, Inc. (DSI) is an aviation services company providing air traffic control, ramp control, ATC maintenance, aviation consultancy, and technical services. Formed in 1942, DSI has a history in aviation safety research, crash testing, and engineering services, and supports the U.S. armed forces and homeland defense. DSI was acquired by ATCSI, LLC in July 2022 and is an Economically Disadvantaged Woman Owned/Service Disabled Veteran Owned Small Business (EDWOSB/SDVOSB).

accident investigationsairfield managementAir Traffic ControlATC maintenanceaviation consultancyramp controltraining

Dynovas Inc. is an aerospace and defense company based in Poway, California, that designs, develops, and delivers aerospace structures, launchers and canisters, and land-based systems. Its team has 30+ years of experience innovating in Aerospace & Defense, and the company describes itself as an agile partner and supplier.

Autoclaveceramics manufacturingcomposite fabricationdesign and analysisfilament windinginspection and testingmetals manufacturingOvenPARTMplastics manufacturingpress curingVARTMWet-lay

E4 Technology, Inc. is a Service-Disabled Veteran-Owned Small Business (SDVOSB) corporation headquartered in Huntsville, Alabama, serving Federal and Commercial sectors worldwide. With over 50 years of combined industry experience, E4 provides engineering, information technology, and program management services.

Information TechnologyProcess Implementationprogram managementSecurity consultingsoftware engineeringSoftware & Hardware Integrationtest and evaluation

EGC|AGEISS, EAF2, and EAF3 are Small Business Administration-approved Economically Disadvantaged Woman Owned Small Business (EDWOSB) joint ventures between EGC, Inc. and AGEISS Inc. The firms offer expertise in environmental services, engineering support services, facilities support services, construction management services, and professional services for federal agencies nationwide. EAF3 JV LLC is an SBA-approved Mentor-Protégé joint venture awarded OASIS+ contracts as a Total Small Business and SBA-Certified Women-Owned Small Business.

construction managementcultural resource managementenvironmental complianceEnvironmental Servicesfacility managementHabitat restorationNEPA planningPollution preventionprofessional servicesprogram and project managementRecycling programsSustainable acquisitiontraining supportWaste minimization

Eagle Eye Labs, Inc. (EEL) is a non-traditional small business located in Severna Park, Maryland, incorporated May 10, 2019 specifically to develop EARS™ (Enhanced Awareness Reporting System). EARS is a tactical battlefield, AI-enhanced situational awareness helmet or vest designed to MIL-SPECS to enhance dismounted warfighters, with dual-use variants for police, firefighters and first responders.

computer systems designcustom computer programmingdesign, development, testing and evaluation (DDT&E)prototype developmentresearch and development

Eagle Horizon Group is a Service-Disabled Veteran and HUBZone certified small business offering consulting, systems engineering, and decision support solutions to federal agencies. Its capabilities include continuity of operations/government planning, facility sustainment and operations, collaborative decision support applications, and communications including EMP/CME resilience planning and mobile communications systems. It holds 10 NAICS codes and has offices in Alexandria, VA and Edenton, NC.

advanced mobile communications systemsCollaborative Decision Support ApplicationsCommunication Equipment Repair and MaintenanceCommunications EMP/CME resilience planningcomputer systems design servicesContinuity of Operations / Continuity of Government planningDACN expertiseFacilities Support ServicesFacility Sustainment and OperationsManagement consultingProfessional and management development trainingsecurity systems services

Earth Science Systems LLC (ESS) provides advanced systems for inspection and maintenance of infrastructure, including concrete structures, asphalt paving, road construction, subsurface utility location and visualization, and HDD navigation. Since 2006 ESS has been dedicated to solving challenging problems in infrastructure construction, inspection, and maintenance, and also provides specialized engineering services.

3D imaging and analysisasphalt density and quality controlGround Penetrating Radarseismic surveysstructural analysissubsurface navigationSubsurface utility engineering

Echelon Solutions, Inc. is an engineering services and technology provider to the US Government and Military. It is a Veteran-Owned Business offering innovative technology and engineering services, with focus areas including aviation ground and flight operations support. The company is based in San Jose, CA.

aviation ground operations supportflight operations support

Eclipse Group, Inc. (EGI) is a privately held marine operations service provider based in Annapolis, Maryland, delivering turnkey subsea technical solutions to commercial and government customers worldwide. EGI operates to depths of 6,000 meters and provides ROV, AUV and diving services, cable installation and survey, sensor deployment and recovery, and environmental site investigation and permitting support.

AUV operationscable burialcable installationDiving Servicesenvironmental site investigationfabricationpermitting supportproject managementROV operationssensor deployment and recoverysubcontractor managementsurvey and navigationvessel and aircraft hire