DEA Projects AllEnergyLand DevelopmentMarine ServicesSurveying and GeomaticsTransportationWater and Environment USACE Walla Walla District Hydrographic Surveying ServicesConventional Land Surveying, Geospatial Analysis, Hydrographic and Marine Geophysical Services, Marine Geophysical Investigations, Marine Services, Precision Navigation and Nautical Charting, Surveying and Geomatics Port of Long Beach Hydrographic Surveying and Consulting ServicesHydrographic and Marine Geophysical Services, Marine Services, Precision Navigation and Nautical Charting Hydrographic Surveys of Houston Ship Channel and Galveston BayHydrographic and Marine Geophysical Services, Marine Services, Precision Navigation and Nautical Charting Hurricane Ida Emergency Hydrographic SurveysGeographic Information Systems, Hydrographic and Marine Geophysical Services, Marine Services, Precision Navigation and Nautical Charting, Surveying and Geomatics Newberg-Dundee Bypass Phase 1Bridges and Structures, Roads and Highways, Transportation I-5 Interstate Bridge Trunnion ReplacementBridges and Structures, Roads and Highways, Transportation Lower Mississippi River Precision Navigation SurveysConventional Land Surveying, Geographic Information Systems, Hydrographic and Marine Geophysical Services, Marine Services, Surveying and Geomatics Upper Columbia River Remedial Investigation and Feasibility StudyConventional Land Surveying, Geographic Information Systems, Hydrographic and Marine Geophysical Services, Marine Services, Surveying and Geomatics A Street Rail Safety ImprovementsConstruction Engineering, Railroad, Roads and Highways, Transportation Mountain View Champions ParkLand Development, Parks, Trails, and Open Space I-205: Johnson Creek – Glenn Jackson Bridge, Phase 2Roads and Highways, Transportation 7th Avenue Substation 115-kV RebuildEnergy, Traditional Uinta County Wind ProjectEnergy, Renewables, Traditional SW Corridor Light RailTransit, Transportation SW 124th Avenue ImprovementsRoads and Highways, Transportation I-84 Graham Road BridgesBridges and Structures, Roads and Highways, Transportation Joseph Community SolarEnergy, Renewables Mirror Lake Trailhead RelocationRoads and Highways, Transportation Better Naito ImprovementRoads and Highways, Transportation Port of Kalama Rail ModificationsRailroad, Transportation Port Laredo Intermodal ExpansionRailroad, Transportation Pavement Repair Management and AuditRailroad, Transportation Nava Boxcar FacilityRailroad, Transportation Freeport Siding Construction InspectionRailroad, Transportation Port of Chehalis Rail SpurRailroad, Transportation Brazos Hump Yard Quality ControlRailroad, Transportation Big Lift Automotive FacilityRailroad, Transportation Athol to Ramsey Double TrackRailroad, Transportation Algoma to Cocolalla Double TrackRailroad, Transportation Pine Tree Wind Generation Phase VEnergy, Renewables El Cabo Wind GenerationEnergy, Renewables Rivertrail Substation: Substation, Transmission, and Distribution DesignEnergy, Traditional DeMoss to Klondike Schoolhouse Transmission LineEnergy, Traditional Junction City SubstationEnergy, Traditional Big Sky SubstationEnergy, Traditional Kirkland Public Safety BuildingCommercial, Industrial, and Public Facilities, Land Development Ten Trails Master Planned CommunityLand Development, Residential Issaquah TerraceLand Development, Transit-oriented Development (TOD) Port Gamble RedevelopmentLand Development, Residential Danielson GroveLand Development, Residential Pasco Hazardous Waste Waste LandfillLaser Scanning and Mapping, Surveying and Geomatics Lake Shannon Floating Surface CollectorConventional Land Surveying, Surveying and Geomatics King County Housing AuthorityConventional Land Surveying, Surveying and Geomatics Good Samaritan HospitalConventional Land Surveying, Surveying and Geomatics City of Redmond Vertical ControlConventional Land Surveying, Surveying and Geomatics US 6 Bridges Design-BuildRoads and Highways, Transportation I-70 Kipling Interchange PEL, NEPA, and Preliminary DesignRoads and Highways, Transportation I-25/Arapahoe Road Interchange Environmental Assessment, Final Design, and CMGCRoads and Highways, Transportation 19th and 20th Two-Way ConversionRoads and Highways, Transportation Artificial Reef Mapping ProgramMarine Services Alignment Mapping for the Carty Lateral Pipeline ProjectEnergy Infrastructure, Geographic Information Systems, Surveying and Geomatics Santiago Creek Bike TrailConstruction Engineering, Parks, Trails, and Open Space, Transportation Jamboree Roadway Widening – Main Street to Barranca ParkwayRoads and Highways, Transportation Culver Drive Intersection and I-5 On-Ramp ImprovementsRoads and Highways, Transportation Century Boulevard – Jordan Downs Redevelopment ProjectRoads and Highways, Transportation First Street over Glendale Boulevard Rehabilitation and Seismic Retrofit ProjectBridges and Structures, Transportation Jefferson at Simi ValleyLand Development, Residential Portland-Milwaukie Light Rail Transit East SegmentTransit, Transportation Tacoma Trestle: Reservation Junction Track and Signal DesignRailroad, Transit, Transportation BNSF Tokio to Ritzville Double TrackRailroad, Transportation FasTracks West Rail Line Corridor, LRT Extension Final DesignRailroad, Transit, Transportation Oregon Passenger Rail Tier 1 Environmental Impact Statement (EIS)Railroad, Transit, Transportation Arapahoe Road Corridor StudyRoads and Highways, Transportation Owner’s Representative for Sellwood Bridge ReplacementBridges and Structures, Transportation FasTracks West Rail Line Corridor, LRT Bridge over 6th AvenueBridges and Structures, Railroad, Transit, Transportation Federal Transit Administration Project Management OversightTransit, Transportation I-5 Widening Environmental and Regulatory Compliance at Blakeslee Junction to Grand MoundEnvironmental Planning and Compliance, Water and Environment I-90 Snoqualmie Pass East NEPA Supplemental EISEnvironmental Planning and Compliance, Water and Environment SR 520 Eastside Transit and HOV Fish Passage ImprovementsAlternative Project Delivery, Bridges and Structures, Construction Engineering, Transportation, Water and Environment, Water Resources Threemile Canyon Farms Environmental Planning and PermittingEnvironmental Planning and Compliance, Water and Environment Tualatin Basin Water Supply Program Environmental Planning and PermittingEnvironmental Planning and Compliance, Water and Environment Willamette Water Supply Program Preliminary Design and PermittingEnvironmental Planning and Compliance, Water and Environment Jordan Cove Liquified Natural Gas (LNG) TerminalEnergy, Traditional 4-0 Ranch Boundary SurveyConventional Land Surveying, Surveying and Geomatics SR 530 Oso Slide RepairAsset Management, Emergency Response, Laser Scanning and Mapping, Surveying and Geomatics Auburn Way North Preservation Mobile ScanningAsset Management, Laser Scanning and Mapping, Surveying and Geomatics Westside Trail Segments 1, 4, and 7 Route SurveyConventional Land Surveying, Parks, Trails, and Open Space, Surveying and Geomatics Big Eddy – Knight 500kV Transmission LineConventional Land Surveying, Energy Infrastructure, Surveying and Geomatics SR 89A, Pumphouse Wash to Overlook Topographic SurveyAsset Management, Laser Scanning and Mapping, Surveying and Geomatics Boulder County Emergency Response SurveysEmergency Response, Laser Scanning and Mapping, Surveying and Geomatics Korean Women’s Association Senior City TODLand Development, Transit-oriented Development (TOD) I-15 Survey, Lava Rocks North to Interchange 108Laser Scanning and Mapping, Surveying and Geomatics I-5 North Survey and Mobile Mapping Underground UtilitiesAsset Management, Energy Infrastructure, Laser Scanning and Mapping, Subsurface Utility Location and Mapping, Surveying and Geomatics Los Angeles International Airport (LAX) 3D Laser Scanning SurveyLaser Scanning and Mapping, Surveying and Geomatics Perris Dam Seismic RemediationLaser Scanning and Mapping, Surveying and Geomatics Hollywood ParkLand Development, Mixed-use / Urban Infill Bellevue TowersLand Development, Mixed-use / Urban Infill Westgate City Center Entertainment DistrictLand Development, Mixed-use / Urban Infill Sagewood at Desert RidgeLand Development, Mixed-use / Urban Infill CityscapeLand Development, Mixed-use / Urban Infill Roosevelt Historic District HousingLand Development, Mixed-use / Urban Infill Olympic & BroadwayLand Development, Mixed-use / Urban Infill Safari Drive on Scottsdale RoadLand Development, Mixed-use / Urban Infill Da VinciLand Development, Mixed-use / Urban Infill The Musical Instrument MuseumCommercial, Industrial, and Public Facilities, Land Development Phoenix Convention CenterCommercial, Industrial, and Public Facilities, Land Development Marriott Full Services HotelCommercial, Industrial, and Public Facilities, Land Development Mercy Corps HeadquartersCommercial, Industrial, and Public Facilities, Land Development Everett Municipal Court ReplacementCommercial, Industrial, and Public Facilities, Land Development East R Street ImprovementsCommercial, Industrial, and Public Facilities, Land Development Arizona State Veterans HomeCommercial, Industrial, and Public Facilities, Land Development, Streetscapes and Downtown Revitalization CHS Kalama Modernization Design-BuildCommercial, Industrial, and Public Facilities, Land Development Northern Arizona Veterans Memorial Cemetery at Camp NavajoCommercial, Industrial, and Public Facilities, Land Development Rails with TrailsLand Development, Parks, Trails, and Open Space Gordon Faber Ball Field DevelopmentLand Development, Parks, Trails, and Open Space Callville Bay Launch RampLand Development, Parks, Trails, and Open Space Evelyn M. Schiffler Memorial Park RenovationLand Development, Parks, Trails, and Open Space Ovrom ParkLand Development, Parks, Trails, and Open Space Gene Autry Trail GatewayLand Development, Parks, Trails, and Open Space Milwaukie Riverfront ParkLand Development, Parks, Trails, and Open Space Freedom ParkLand Development, Parks, Trails, and Open Space Ocotillo ParkLand Development, Parks, Trails, and Open Space Lake City Retail / Bartell DrugsCommercial, Industrial, and Public Facilities, Land Development, Streetscapes and Downtown Revitalization Elkhorn Valley Wind GenerationEnergy, Renewables Bear Creek RehabilitationWater and Environment, Water Resources Island PlaceLand Development, Residential Willamette River Sediment Transport MonitoringHydrographic and Marine Geophysical Services, Marine Services Coos Bay Channel Modification (Section 204(f)/408 Report)Environmental Planning and Compliance, Water / Wastewater Infrastructure, Water and Environment Space Shuttle Endeavour Route and Conflict MappingLaser Scanning and Mapping, Surveying and Geomatics Smith-Bybee Natural Resource Management PlanEnvironmental Planning and Compliance, Land Development, Planning, Water and Environment, Water Resources Copco #2 115/69 kV SubstationEnergy, Traditional Crissey Field Park and Welcome CenterLand Development, Parks, Trails, and Open Space The Arapahoe/Parker Interchange Final DesignRoads and Highways, Transportation Snoqualmie Falls Hydroelectric RedevelopmentEnergy, Renewables Who We Are History Core Ideology Leadership Stewardship Locations Contact DEA What We Do Energy Land Development Transportation Water and Environment Surveying and Geomatics Marine Services Solutions Alternative Project Delivery Construction Engineering Energy Development Engineering Landscape Architecture Environmental Planning and Compliance Planning Project Management News Awards Rankings Join Us Our People Current Openings Benefits Subconsultants and Vendors