GIS

D&B Engineers and Architects (D&B) is a multidiscipline engineering, environmental and architectural firm founded in 1965. It provides engineering solutions in sustainable, environmentally acceptable, cost-conscious applications, serving public and private clients in multiple states from seven regional offices with over 250 professional employees.

architectureBuilding Information Modeling (BIM)civil engineeringconstruction managementdesign-buildElectrical Engineeringenergy engineeringenvironmental investigation and remediationstructural engineeringwastewater managementwater supply

DBE is a team of applied scientists founded in Rockledge, FL in 1990, originally focused on harnessing the biogeochemical attributes of wetlands for water treatment. It now provides scientific characterization, protection, and improvement of aquatic systems and associated watersheds worldwide, combining field monitoring, laboratory analysis, and advanced data analysis.

biological assayschemical coagulant jar testsField monitoring and samplinglow-level nutrient analysismesocosm studiesmicroplate assaysNELAP-certified laboratory analysissediment nutrient flux incubationsstatistical modelingtreatment wetland designWatershed Assessments

DCSE is an Engineering and Geographic Information System (GIS) consulting firm specializing in solutions for local, state and federal agencies and private utility companies working with wet utilities and solid waste. Founded in 1989 in Southern California, it provides GIS, IT and engineering solutions for water, sewer, stormwater and solid waste industries.

database developmentdata managementhydraulic modelingremote sensingsoftware developmentsurveyweb-based application development

Desert Concepts Energy & Environmental, a Minority Woman Owned Small Business (WOSB), provides a full range of environmental consulting, engineering & construction support services. Its registered and certified professionals execute multi-disciplinary services nationwide, including environmental compliance and planning, NEPA, civil engineering, drainage and grading plans, and construction phase environmental support. President Maria Knight has over 25 years' experience in operations and administration.

air monitoringarcheological surveysasbestos inspectionconstruction supportengineeringenvironmental consultinghazardous materials inspectionNEPAsampling and analysisSWPPP preparation

DevGlobal is a consulting firm specializing in geospatial technologies, agriculture and food security, and global health, with a focus on local implementation. It supports non-profits, companies, philanthropies, multilateral agencies, and government agencies on innovation and sustainability initiatives, combining cutting-edge geospatial technology with on-the-ground expertise. DevGlobal is a member of DevPartners, a partnership with Dev-Afrique.

community buildingdata fusiondata visualizationevent managementfield work/validationgeospatial AI/MLgeospatial analysisInteractive dashboardsprogram managementremote sensingstrategic-planningtraining

DHVS Solutions provides data migration expertise and services for communication service providers (CSPs) and utilities that leverage GIS technology for physical inventory and network management. The company offers services spanning network planning and design, GIS physical and logical inventory solutions, business processes and management, and system design. Its founders have over 30 years of collective experience processing large and complex spatial datasets.

business processes and managementData Migrationnetwork planning and designphysical and logical inventory solutionssystem design

Dieffenbach & Hritz (D&H) is a full-service engineering firm established in 2005, providing engineering and environmental services to the natural gas and coal mining industries, private developers, and public agencies in Pennsylvania, West Virginia, Ohio, Virginia, and North Carolina. The team includes civil engineers, surveyors, landscape architects, biologists, and construction technicians, with offices in three states.

3D laser scanningaerial mapping and remote sensingarchitecturecivil engineeringconstruction inspectiondrone flyoversEnvironmental Servicesland surveyingMechanical Engineeringstructural engineeringtransportation engineeringvolume calculations

Digital Maddox LLC is a consulting company specializing in geospatial intelligence and artificial intelligence. It transforms complex geospatial and AI challenges into actionable solutions, combining spatial data analysis with AI, deep learning, LLM, and agentic workflow systems. The company offers expert consulting services focused on GIS, deep learning, and computer vision to drive innovation and informed decision-making.

Agentic workflowsAI and deep learningcomputer visionconsultingimage processingLangGraph-based agentsLLM orchestrationMCP/FastMCPspatial data analysis

DJ&A is a multidisciplinary professional services consulting firm founded in 1973 by two former U.S. Forest Service employees. With more than 150 professionals and offices across Montana, Colorado, Washington, South Dakota, New Mexico, and Nevada, it delivers engineering, environmental, surveying, landscape architecture, and planning projects for federal, local, tribal, and private clientele nationwide.

construction managementengineeringEnvironmental ServicesLandscape ArchitecturePlanningsurveyingvalue engineering

Four Corners Research specializes in cultural resources and archaeological consultation for private and public sector businesses and organizations. Services include testing and data recovery, human remains recovery and analysis, historic and prehistoric site and assemblage documentation, data recovery plans and MOAs, and site condition and damage assessments. Clients include the Bureau of Land Management, Bureau of Reclamation, National Forests, New Mexico Department of Transportation, and Public Service Company of New Mexico.

archaeological consultationhuman remains recovery and analysissite and assemblage documentationsite condition assessmentssite damage assessmentsTesting and data recovery

DPK Consulting is a commercial land surveying, 3D scanning and drone services firm supporting NJ, NY, CT, PA & DE projects. It combines new technologies such as 3D scanning and UAS (drone-based data collection) with traditional surveying methods to deliver high-value deliverables across geospatial, environmental, construction, commercial and residential development segments.

3D scanningBIM supportCAD draftingdrone/UAS surveyingland surveyingLiDARmultispectral scanningphotogrammetrythermal imaging

Drayton Archaeology is a full-service Cultural Resource Management (CRM) firm offering expertise in Archaeology, Built Environment, and Historic Properties. Founded in 2001 by Garth Baldwin, it is a Federally Certified Service-Disabled Veteran Owned Small Business serving clients across Washington, Oregon, Idaho, and northern California.

archaeological surveysarchitectural history assessmentcompliance consultationcurationdesktop reviewsexcavationfaunal analysesgeoarchaeologyinadvertent discovery plansmonitoringphotographysite mitigationstaff trainingtestingUnderwater archaeology

Driven Engineering, Inc. is a consulting engineering/government contracting firm based in the Mobile, AL area, founded in 2006. It provides services to federal agencies, counties, cities, and private clients, and is an SDB, WBE, and certified DBE Small Business in multiple Southeast states.

3D laser scanningAutoCAD draftingCivil designconstruction engineering and inspectionCost Estimatingenvironmental consultingMicroStation Draftingprogram managementrailroad designRoad/Infrastructure DesignschedulingSoftware Development Supportvalue engineering

DRMP is a multidisciplinary civil engineering and surveying firm founded in 1977, originally a Florida-based surveying practice that has grown into a Southeastern engineering consulting firm with more than 1,000 professionals across 32 offices. Its engineers, planners, surveyors, and scientists partner with state transportation agencies, municipalities, federal clients, and private developers to plan, design, and deliver critical infrastructure.

alternative deliverybridge inspectioncivil engineeringcommunity planningconstruction engineering & inspectionenvironmental permittingGeospatial servicesland developmentLiDAR collectionstructural engineeringSubsurface utility engineeringsurveyingTraffic impact analysiswastewater modelingwetland delineation

Dufresne Group Consulting Engineers is a civil engineering consulting firm based in Vermont, serving clients in Vermont and New Hampshire. The firm provides engineering services from planning through design and construction, including water and wastewater system design and modeling, stormwater and erosion control, transportation, and civil and site engineering. It is 100% women-owned since 2018, has three Vermont offices, and has served VT and NH for over 25 years.

civil engineeringConstruction Serviceserosion and sediment controlfunding assistancehydraulic simulationpermittingstormwater system designtopographic surveyingwastewater collection system designwastewater treatment system designwater and wastewater system modelingwater distribution system designwater treatment system design

Eagle Environmental, Inc. (EEI) has been designing, conducting, and interpreting scientific studies since 1984. EEI is a team of scientists with backgrounds in wildlife research, wildlife surveys, statistics, geographic information systems (GIS), vegetation studies, and habitat management planning. Based in Santa Fe, NM, with field offices in other locations including Colorado and Idaho.

avian point count surveyscompliance monitoringhabitat management planningmodelingstatistical analysisstudy designThreatened and Endangered Species Monitoringwildlife surveys

Eagle Technologies delivers innovative and secure enterprise technology solutions for federal, state, and local government clients nationwide. Founded in 2004, the company provides IT services including grants management, health IT, digital transformation, data analytics, and research and evaluation, with notable work for the U.S. Department of Health and Human Services.

agile developmentAI digital assistantcloud migration to AWSdashboard developmentData AnalyticsDevSecOpsmicroservices architectureprogram management

EagleView Solutions, LLC is a small, woman-owned environmental consulting firm headquartered in Claremore, Oklahoma. It provides environmental subject matter expertise in environmental compliance, cultural resources management, and natural resources management, serving Federal and private-industry clients throughout the United States and Puerto Rico.

air permitting and reportingarchaeological site monitoringCADDdrinking water sampling and reportingenergy and water conservation planningforestry management and prescribed burningInvasive species managementlead and asbestos sampling and inspectionsNAGPRA supportNEPA tracking and reportingNHPA compliancePFAS/PFOA sampling and reportingRCRA compliance and trainingSharePoint design and PowerAppsstormwater and wastewater sampling, inspections and reportingwildlife and endangered species management

Stellar Phoenix Solutions LLC was founded by Anisha Gupta with the vision of providing the government a single access point for industry leading information technology solutions and services. Its clients include NOAA, USDA, HHS, the Department of Energy, the US Air Force, the Department of Defense, and other federal agencies.

Administration Services and SupportArtificial Intelligencecloud servicesCOTS Solutionscybersecurity as a serviceData ScienceO&M Services

EBA Engineering, Inc. is a multidisciplinary engineering firm headquartered in Laurel, Maryland, with offices in Maryland, Pennsylvania, Virginia, and Washington, DC. The firm provides engineering, construction management and inspection, materials testing, and related services to public and private clients, and is MBE certified.

BIM modelingconstruction management and inspectiondrillinggeotechnical engineeringlaboratory testingmaterials testingstructural engineeringSubsurface utility engineeringsurveying

ECLS Global, Inc. is a Service Disabled Veteran Owned Small Business (SDVOSB) established in 2015 that provides engineering consulting and land surveying services. The firm operates offices in North Carolina and South Carolina and serves clients locally, nationally, and internationally. Its staff includes professional land surveyors, professional engineers, database developers, GIS specialists, SUE analysts, project managers, CAD techs, and survey field crews.

CADcivil engineeringdrone/UAS aerial surveyingGround Penetrating Radarhydrographic surveyingland surveyingSubsurface utility engineeringutility locating

Ecosystem Sciences provides professional consulting services to meet complex environmental challenges. The firm specializes in natural resources, planning, evaluating environments and impacts, optimizing water resources, managing ecosystems, restoring ecological processes and functions, and integrating resilience into design. It provides science and design solutions for clients including utilities, municipalities, states and countries, corporations, institutions, developers, landscape architects, planners, designers, attorneys, and government agencies.

agency consultationdesignenvironmental planningforest health and vegetation assessmentsgreen infrastructure mappinghabitat assessmentsnatural capital assessmentscientific analysisspecies of concern investigations

EHRA Engineering is a multidisciplinary civil engineering firm that has provided engineering services throughout the Greater Houston region for over 90 years. It is described as the second oldest engineering firm in Houston and a full-service consulting firm offering a complete spectrum of engineering services. Its staff includes licensed professional engineers, certified planners, registered professional land surveyors, and licensed professional landscape architects.

civil engineeringConstruction ServicesHydrology & Hydraulicsland developmentLandscape Architectureplanning & visioningplattingsurveyingtraffic engineeringwater & wastewater treatment design

Egret & Ox Planning is a minority-owned small business focusing on urban planning and community development. Operated by Principal Planner and owner Todd Vanadilok, AICP, as a one-person consultancy run as a virtual office, it serves clients flexibly and responsively. Founded in 2017, it provides services including community meetings, community outreach, and graphically enhanced maps, exhibits, and documents, working with communities from urban neighborhoods to small towns and counties.

capacity buildingcomprehensive planningcorridor planningdata visualizationDevelopment and Site Plan ReviewDocument LayoutsDowntown Planningeconomic developmentEquitable TOD (eTOD)housingmappingMarket Analysismeeting design and facilitationneighborhood planningstrategic-planningSubarea PlanningTax Increment Financing (TIF)Transit Oriented Development (TOD)Zoning and Municipal Ordinances