civil engineering

Del Mont Consultants Inc is an engineering and surveying firm that has been providing excellence in engineering and surveying since 1978. The company works on civil engineering, surveying, land development, and construction inspection projects, including recreation trail design, school drainage improvements, airport facilities, and bathymetric surveys.

bathymetric surveyconstruction inspectionland developmentsurveying

DeLoach Engineering Science (DES) is a woman-owned business providing Water Resources, Civil Engineering, Geographic Information Systems (GIS), Computing, Data Science, and Technology services throughout Florida and the Southeastern United States. The company is based in Orlando, Florida.

ComputingData ScienceGeographic Information Systems (GIS)Technology servicesWater resources engineering

Delon Hampton & Associates, Chartered is a professional engineering and consulting firm founded in 1973, specializing in civil and structural engineering as well as program and construction management services. It is one of the longest operating minority-owned businesses in the design and construction industry. The firm is headquartered in Washington, DC, with offices in Largo, Silver Spring and Baltimore, Maryland, and Atlanta, GA, and maintains a staff of 65 professionals.

construction managementprogram managementstructural engineering

Delta Coast Consultants is an engineering firm specializing in the planning, design, and management of projects relating to flood protection, municipal infrastructure, coastal restoration, marine construction, oil and gas, and land development. The firm provides engineering, surveying and mapping, environmental, and planning services, with expertise in coastal science, hydraulics and hydrology, structural design, and dredge projects.

CAD/GISconstruction administrationdredge designenvironmental analysishydraulic modelinghydrologic modelingland use planningLiDARpermittingRegulatory ComplianceSonarStructural DesignSurveying and mappingUAV surveyingWetland mitigation planning

Delta Solutions & Strategies is a Colorado Springs-based defense contractor founded in 2000, providing operations & maintenance, training, modeling & simulation, and professional services in support of U.S. national security. It supports military training and education, performs operations and maintenance of military weapons systems, and provides professional and technical advisory assistance services. It is part of the Bowhead Family of Companies, the federal contracting division of Ukpeaġvik Iñupiat Corporation (UIC), an Alaska Native Corporation.

Acquisition managementelectrical and mechanical engineeringGround Station MaintenanceModeling & SimulationOperations & Maintenanceprofessional servicesproperty managementSATCOM and Space Sensor Operations & Maintenancesystems engineering and integrationtraining & education

DeMarr Engineering is a land development specialist firm providing civil engineering, land surveying, and arborist services in Virginia and Washington, DC. Its in-house multidisciplinary team of six professionals integrates practical construction knowledge, engineering judgment, and internal peer review, informed by an affiliation with DeMarr Construction, a Class A heavy highway contractor serving the region since 1989.

arborist servicesconstruction consultingconstruction stakeoutdrone topographical surveying and mappingerosion & sediment control planningfeasibility studiesland surveyingpermit expeditingsite and grading plansstormwater management design

Dennis Engineering Company (DΞC) is a dual-office civil engineering firm providing services throughout New Mexico. It designs and improves infrastructure and public works projects for municipalities and counties, with a focus on serving rural New Mexico communities. The firm assists clients from funding applications through design, engineering, permitting, and construction to final inspection.

community outreachconstruction phase supportfunding application assistanceInfrastructure Designpermitting and easementsPlanning

Design Alaska is a multi-disciplinary architecture and engineering firm founded in 1957 and based in Fairbanks, Alaska. It is the largest full-service architectural and engineering firm in Interior Alaska, with 50+ employees and in-house registered professionals in architecture, engineering, landscape architecture, and land surveying. The firm has planned, designed, and constructed urban and rural facilities in Alaska for over 65 years.

architecturecadastral surveysconstruction supportcontrol surveyscontrol systems engineeringElectrical Engineeringengineering surveysenvironmental engineeringFire protection engineeringGPS surveysLandscape Architectureland surveyingMechanical Engineeringplanning and designstructural engineeringtopographic surveys

Design Innovation Architects (DIA) is an architecture firm based in Knoxville, Tennessee, that has been in business for over 30 years. DIA creates innovative spaces that are artful, intelligent, sustainable, and value-conscious, and offers architecture, interior design, civil engineering, and masterplanning services.

architectureconstruction administrationConstruction documentsinfrastructureInterior DesignMasterplanningurban designUtilities Coordination

Design Professionals, Inc. is a Connecticut-based civil engineering, land surveying, land planning and landscape architecture corporation. Certified as a Small Business Enterprise (SBE) by the Connecticut Department of Administrative Services, the company has been in business since 1986 and has participated in more than 5,000 projects in over 225 New England communities, typically adding more than 125 new projects annually.

land planningLandscape Architectureland surveyingPlanning & developmentRobotic total stations and GPS surveyingsite planning

DRG Architects is a regional, award-winning architectural design firm with over 60 years of experience providing architecture and design services in PK-12 Education, Higher Education, Apartment & Mixed-Use, and Government markets across the Tristate area. The firm emphasizes listening, collaboration, and creating spaces that fulfill functional needs and enhance quality of life. It has offices in Somerset NJ, Manhattan, Philadelphia, and Camp Hill PA, and acquired Vitetta in 2025.

3D Modelingarchitectural designBIMcommissioningconstruction administrationHistoric PreservationInterior DesignLandscape ArchitectureLEED designmaster planningstructural engineeringWELL Building Design

Devco Engineering, Inc. is a full-service civil and structural engineering firm providing design and construction management services for private and public sector clients since 1969. The company is employee-owned and has worked on over 3,000 projects nationwide, with offices in Corvallis and Enterprise, Oregon, and Bozeman, Montana.

BIMcold-formed steel designconstructability reviewsconstruction managementdraftinghistorical retrofitsseismic retrofitsshop drawingsstructural engineeringvalue engineering

Development Consultants, Inc. (DCI) is a land development consulting firm founded in 1989 by civil engineer Mark Wright, landscape architect Robert Brown, and land surveyor Greg Sullivan. Based in Arkansas with offices in Fayetteville, Little Rock, and Hendersonville, North Carolina, DCI provides end-to-end land development services including land surveying, civil engineering, and landscape architecture, managing projects from site evaluation through construction oversight.

conceptual design and planningconstruction managementconstruction oversightdrone flight and aerial imageryerosion control designfeasibility studiesLandscape Architectureland surveyingpermit acquisitionSWPPP preparation

Development Specialists, LLC is an A-General Engineering Contractor and Project Management business located in the White Mountains of Arizona. They specialize in site infrastructure construction and project management of residential and commercial development sites, ranging from HOA street pavement preservation to complete design and construction of master planned development projects. They also provide civil engineering and land surveying services.

ACADasphalt repairconstruction managementdesign-buildGPS surveyingland surveyingproject managementsite infrastructure construction

Devise Engineering, Inc. is a proudly Alaskan-owned engineering firm founded in February 2024 by Nick Choromanski, Steven Halcomb, and Jesse Gobeli. Based in Anchorage, Alaska, the firm specializes in structural, civil, and geotechnical engineering services tailored to Alaska's diverse environments, and also offers construction management.

construction managementdrainagefoundation designgeotechnical engineeringgradingground improvementpavement designpile drivingseismic evaluationssite designslope stability modelingstructural engineeringthermal analysesUtility Design

DeWalt Corporation, serving Kern County since 1965, provides consulting for civil engineering, land surveying, planning, construction management, and sub-surface utility management. The firm handles residential, commercial, industrial, and municipal land development, urban infill/mixed-use planning, and 3D laser scanning and modeling.

ALTA Surveysboundary surveyingconstruction managementconstruction stakingGPS and UAV aerial photomappingland surveyingsub-surface utility locationterrestrial laser scanning and modelingurban planning

DeWolfe Engineering Associates, PC is a twelve-person civil and structural engineering firm located in Montpelier, Vermont. Founded in 1989 by Richard S. DeWolfe, P.E. as a sole proprietorship and incorporated in July 1996, the firm provides civil, structural, and construction engineering services along with permitting assistance for industrial and commercial clients.

construction engineeringfailure investigationhighway designinspection servicesintersection evaluationpermittingshoring designsite engineeringstructural engineering

DG3A Design Group, PSC is an engineering and architectural firm based in San Juan, Puerto Rico, established in 1997. It specializes in design and project management services, delivering creative, practical solutions completed on time and within budget, with a commitment to quality and collaboration from concept to completion.

architectural designconsultingearthworksElectrical EngineeringMechanical Engineeringproject managementroad and highway designsite developmentstormwater managementstructural engineeringwater and wastewater systems

Dhamac Group was established in 2002 as a limited liability company specializing in business consultation, sponsorship, and logistics support services. It has secured contracts with international companies operating in Qatar and other GCC countries. The company's activities include building maintenance, civil engineering, MEP & firefighting, landscaping, electronics & communications, operational logistics, and sponsorships. It owns and operates subsidiary landscaping and maintenance company Gardenia Decor, and actively bids on government and private sect

agriculture maintenancebuilding maintenancebusiness consultationelectronics & communicationsirrigationlandscapingMEP & firefightingoperational logisticssponsorships

Dhillon Engineering Inc. (DEI) provides civil and structural engineering, site development, and construction management services across Maryland and the Mid-Atlantic.

construction managementsite developmentstructural engineering

Diaz Engineering, LLC is a full-service civil engineering and consulting firm based in Houston, Texas, with an additional office in The Woodlands. The firm brings 30+ years of combined expertise and delivers tailored solutions to address flood risks and infrastructure challenges, protecting communities and achieving practical, sustainable outcomes. Led by Imelda Diaz, the team has supported flood damage reduction efforts across Harris County, Texas.

consultingflood damage reductioninfrastructure solutions

We’ve Updated Our Email Addresses Di Donato Associates has transitioned our email addresses from @didonato.cc to @didonatoassociates.com. Our previous email addresses will continue to work for the time being, but we kindly ask that you update your address book with our new contact information going forward. Here is an example of the email change: flastname@didonato.cc is now flastname@didonatoassociates.com If you have any questions or need assistance updating your records, please feel free to reach out to Julie Stearns. Thank you, as always, for your continued trust and partnership with Di Donato Associates. Responsive. Honest. Accurate. At Di Donato Associates, our Responsiveness is what sets us apart from our competitors. With our Principals/Owners actively working on projects, our Clients are assured that any questions or issues that come up will be answered quickly. Our.

architectural designaviation designBridge Inspections/EvaluationsBridge Rehabilitation/RepairBridge ReplacementsBuilding Condition StudiesClerk of the Workscode review & analysisconstruction administrationConstruction Monitoring/Observationfeasibility studiesHistoric PreservationInterior DesignLEED/Green/Sustainable BuildingPlanning & programmingsafety inspectionsSite Design & Zoning Board Approvalstructural engineeringtransportation engineering

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 sensingarchitectureconstruction inspectiondrone flyoversEnvironmental ServicesGISland surveyingMechanical Engineeringstructural engineeringtransportation engineeringvolume calculations

DiPrete Engineering provides civil engineering, land planning, and land surveying services to clients throughout New England, with offices in Cranston and Newport, RI, and Dedham and Milford, MA. The firm's professional engineers, land surveyors, and land planners help clients navigate regulatory and construction challenges, transforming visions into permitted, constructible, and profitable projects.

3D laser scanningBid review and contractor selection assistanceCommercial surveyingConformance inspectionConstruction ServicesEnvironmental Servicesland planningland surveyingLead consultant and project team coordinationpermittingSoil erosion and sediment control plansvalue engineering