civil engineering

CTL Engineering is a full service consulting engineering firm providing environmental, geotechnical, construction administration and inspection, accident reconstruction, roofing/building envelope, and specialized testing services to the construction industry. The company is employee-owned through an Employee Stock Ownership Plan (ESOP) and has offices in Ohio, Indiana, West Virginia, Kentucky, Virginia, North Carolina and South Carolina.

accident reconstructionconstruction administrationconstruction inspectionconstruction materials lab testingdesign-buildEnvironmental Remediationgeotechnical engineeringmetallurgical lab testingnondestructive testing

Culpepper and Terpening is a multidisciplinary consulting firm with over three decades of specialization in civil engineering and surveying services on Florida's Treasure Coast. The firm employs over 45 full-time employees and serves public and private clients across seven disciplines: Transportation, Utilities, Schools and Institutions, Land Development, Surveying, CEI and Finance.

Construction Engineering & Inspection (CEI)directional drillinggrant acquisitionhydraulic modelingHydrology studiesland surveyingLiDAR surveying by dronemaster planningpermittingprocess engineeringsite planningsolar energy center design and permittingsubstation designtransportation engineeringutilities engineering

Cushing Terrell is a multidisciplinary design firm founded in 1938 that integrates architecture, engineering, and design. With 30+ in-house disciplines, the firm designs built environments across market sectors including civic, commercial, education, government, healthcare, hospitality, and residential, with specialty expertise in decarbonization, sustainability consulting, refrigeration engineering, and adaptive reuse.

architecturecommissioningdecarbonizationElectrical EngineeringEnergy Modelinggreen building certificationsHistoric PreservationInterior DesignLandscape ArchitectureMechanical EngineeringMicrogrid designPlanning and Urban DesignRefrigeration engineeringstructural engineering

CValdo is a Southern California infrastructure consulting firm providing civil engineering and planning services through all stages, from feasibility studies and conceptual design to final engineering and construction. Founded in 2004 by Mike Cairns and Joel Valdovinos, the firm serves state and local government, education, private sector, and military clients.

construction managementflood control designgreen infrastructure engineeringhydrology and hydraulics designplan checkPlanningPS&E preparationstormwater management

Part of the Lanitis Group, Cybarco has been shaping Cyprus since 1945. A leader in development and construction, it has delivered landmark developments including Sea Gallery Villas, Akamas Bay Villas, The Oval, Limassol Marina and Trilogy Limassol Seafront. Cybarco Development is a luxury property developer, while Cybarco Contracting is one of the major contracting companies in Cyprus with presence in Qatar, Bahrain, Kuwait and Greece.

construction contractinghighways and bridgesinfrastructurepower stationsproperty developmentroad worksterminals and runwayswater dams

Cyntergy is a full service architecture, engineering and construction services firm based in Tulsa, Oklahoma, established in 1997. The firm has eight disciplines under one roof, combining architects and engineers to serve projects of any size from start to finish.

architectureConstruction documentsConstruction ServicesElectrical EngineeringFire protection engineeringfire sprinkler designInterior Designmaster planningMechanical Engineeringprogrammingstructural engineeringvirtual reality renderings

Dahl Consultants is a water resources and civil engineering firm founded in 2009 by Wayne and John Dahl, focused on supporting special districts with water resources responsibilities. The firm provides planning, design, and construction management for water conveyance projects, with experience in the Western United States. It is a Certified Small Business Enterprise (SBE) with licensed Professional Engineers and a California Class A General Contractor license.

canal liningconstruction managementdesignpipeline designPlanningpump station designstructural engineeringWater resources engineering

Create Foundations For the Future. Learn More A client-focused provider of consulting engineering services. Since the founding of the firm in 1956, we have provided engineering, scientific and construction-related services to industrial and governmental clients in the U.S. and in many foreign countries. Our core capabilities include civil and geotechnical engineering, geology, and hydrology and hydraulics. WE PARTNER WITH OUR CLIENTS TO ADDRESS THE MOST COMPLEX CHALLENGES Learn More Contact Us MARKETS WE SERVE Industrial & Commercial Site Development Dams & Waterways Healthcare and Education Recreation Transportation Government Mining Energy & Utilities Research & Training Professional Memberships READY TO GET STARTED? To get started on your next project, call us today! Contact Us

consultingenvironmental engineeringgeologygeotechnical engineeringhydrology and hydraulics

DJ's & Associates is a construction company that has been shaping the construction industry since 2002. It offers a wide array of construction services including general contracting, project management, construction consulting, renovation and remodeling, and demolition, serving commercial, residential, infrastructure, and civil engineering projects.

construction consultingdemolitiongeneral contractinginfrastructure constructionlandscape constructionpre-construction planningproject managementrenovation and remodelingresidential constructionsite managementsite preparation

David Arthur Consultants, Inc. (DAC) was founded in 1991 as a Civil Engineering and Land Surveying firm based in the Village of Dundee, Michigan. The firm provides civil engineering, architecture, municipal services, and land surveying, with LEED Accredited Professionals on staff incorporating energy efficient design concepts. DAC serves clients domestically and internationally, with an additional location in George Town, Cayman Islands.

architectureConstruction Consulting and ManagementConstruction Site Inspectionconstruction stakingGrant writing and managementland surveyingplan reviewstorm water management

David Engineering, LLC is a civil engineering firm based in Los Angeles, established in 2012. It provides professional engineering services in Utility Design & Coordination, Construction Management, and Civil Design Services, serving Southern California and abroad with an emphasis on leadership, communication, and collaboration.

Civil designconstruction managementconstruction management-agencyConstruction Manager At-RiskUtility design and coordinationutility engineering

Exceptional Engineering. Innovative Construction Services. Dedicated to Safety. We engineer the foundations of thriving communities. David Mason + Associates has delivered exceptional engineering and innovative construction services since 1989. We bring technical excellence, creative problem‑solving, and proactive communication to deliver solutions that stand up to real‑world complexity. With offices across St. Louis, Chicago, Philadelphia, Tampa Bay, Indianapolis, and Cleveland, our licensed professionals bring the experience and craftsmanship that clients trust.As a certified MBE, DMA provides comprehensive engineering and construction‑related services—from civil and structural engineering to surveying, utilities, and field services—supporting healthcare, education, transportation, water, and public infrastructure projects. See our project work We work efficiently so your projects.

3D scanningCCTV inspectionconstruction administrationElectrical Substation Designhydro excavationSewer cleaningsite developmentstormwater managementstructural engineeringsurveying

Davis Engineering Service, Inc. provides civil engineering and surveying services to contractors, residential, commercial, municipal, and state clients in southern Colorado and northern New Mexico. Established in 1948 in Del Norte, Colorado, the firm has offices in Alamosa, CO (corporate headquarters) and Pagosa Springs, CO.

as-built documentationBidding & Contract Administrationconstruction layoutConstruction Servicesengineering & designLocal Agency Consultingmaterials testingSite Planning & Developmentsurveying

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)construction managementdesign-buildElectrical Engineeringenergy engineeringenvironmental investigation and remediationGISstructural engineeringwastewater managementwater supply

DB Sterlin Consultants, Inc. is a Chicago-based multidisciplinary engineering firm providing infrastructure solutions throughout the Midwest. Founded in 1997 by Reynold Sterlin, PE, and led by President Regine Jeune, the firm serves transportation, municipal, and utility projects across Illinois and Wisconsin. It is a minority-owned firm certified as MBE, DBE, and WBE, and is pre-qualified by IDOT in numerous areas.

construction engineeringconstruction inspectionElectrical EngineeringHydraulic and Drainage Studiesland surveyingprogram managementroadway planningstructural engineeringSubsurface utility engineeringtraffic signal designutilities engineeringutility coordinationWater resources engineering

DCS Engineering, LLC is a full service civil engineering consulting firm based in Austin, Texas, founded by CEO Darren Strozewski. The firm offers expertise in traffic, transportation, water and wastewater treatment facilities, municipal and industrial site civil, drainage, land development, and construction management. It serves communities across Texas and supports charitable education and clean water projects.

bridge designconstruction administrationconstruction managementdrainage designGIS analysishydraulic modelingmaster planningpipeline designRoadway and Highway Designsite civil engineeringtraffic and transportation designwastewater treatment plant designwater and wastewater treatment design

DDS ENGINEERING, PLLC is the oldest continually operated engineering firm in Bowling Green, Kentucky, now in its 52nd year. It offers land surveying, 3D laser scanning, aerial mapping, civil and geotechnical engineering, construction materials testing, special inspection services, and custom services such as document preservation, serving the public sector, private developers, and government agencies.

3D laser scanningadvanced visualizationsaerial mappingconstruction materials testingdocument preservationgeotechnical engineeringland surveyingspecial inspectionsstorm water infrastructure inspection

Dearborn is an experienced engineering and NDE firm providing innovative, safe solutions for the construction industry's most complex and critical heavy lift problems. With 70+ years of creating field-proven solutions, it is internationally recognized for heavy lift and load movement, rigging, specialized project cargo (OS/OW) transportation, and construction engineering, delivering mission-critical projects worldwide on time and within budget.

3D documentation3D mappingconstruction engineeringengineered lift planningground condition surveysground stabilization designheavy lift engineeringload movementOS/OW transportationriggingroute clearance surveysshoring and scaffolding designsteel erection engineeringstructural demolition engineeringstructural engineeringthird-party lift planning reviewtower crane foundation design

de Bruin Engineering is a full-service civil engineering firm in New York offering Design, Project Management and Construction Management services. The firm is located at 1400 Old Country Road, Suite 106, Westbury, New York.

architectureconstruction managementdesignproject management

DES Engineering, LLC is a full-service civil and environmental engineering firm based in Crawfordsville, Indiana, delivering engineering projects in Indiana and across the US. The firm provides civil engineering, environmental engineering, and GIS services, with a focus on practical solutions, quality, timeliness, and attention to detail.

construction managementenvironmental engineeringGIS mappingHydraulic Analysis and DesignLand Use and Master PlanningMilitary Munitions ResponseRemedial Design & Constructionsite developmentStorm Water Modelingwetlands delineation

Deckard Surveying, LLC is a family-owned business based in Crawfordsville, Indiana, providing engineering and surveying services statewide for over 30 years. The firm has three professionally licensed surveyors on staff with over 60 years of combined surveying experience, and has performed tens of thousands of boundary surveys across Indiana, primarily in Montgomery County and surrounding counties.

construction stakingengineering & designstormwater managementsubdivision designsurveyingUAV mapping and surveyingunderground utility locating

DECON LLC is a consulting engineering firm committed to technical excellence that helps build, maintain and improve clients' infrastructure and facilities. It delivers structural and civil engineering services with a goal of completing projects on schedule, within budget, and with outstanding quality. The firm is a certified minority-owned engineering firm and serves clients including state departments of transportation and toll road authorities.

bridge designconstruction engineeringroadway/drainage engineeringstructural engineering

DECONS ENERGY, LLC is an Engineering, Procurement and Construction (EPC) contracting services company serving the power generation, high voltage and energy management sectors. Based in Jacksonville, Florida, it provides turnkey solutions from feasibility studies and conceptual design through construction, commissioning and start-up, with integrated electrical, mechanical and civil engineering.

Electrical EngineeringEnergy Efficiency and Managementengineering, procurement and construction (EPC)field servicesinstallationsMechanical Engineeringoperations and maintenancePower Systems Studiesproject managementProtection and control designsolar powerTesting and commissioning

DELANE ENGINEERING is a civil engineering firm specializing in public works and transportation, land development, and stormwater management. The firm combines real-world construction experience with advanced three-dimensional modeling technologies, and provides services ranging from due diligence to final engineering and construction support for private, public, and institutional clients and local and state agencies.

3D modeling/BIMdesign-buildpermit acquisitionProgram & Construction ManagementSite BIMstormwater managementsurveyUtility Design