stormwater management

Comer Construction, Inc. is a certified women-owned site development contractor founded in 1982 by J. Marvin Comer. Based in Forest Hill, Maryland, it serves Harford County and the Greater Baltimore region, self-performing all aspects of site construction with its own crews and equipment. It is certified as an MBE by MDOT and a WBE by the City of Baltimore.

commercial snow removalearthworkequipment rentalerosion controlgrading and excavationhydro excavationin-house fleet maintenancemaintenance of trafficroadwork and pavingrough and finish gradingsewer, water, and storm drain systemssite clearingtraffic control and flaggingunderground utilities installation

Confluence Compliance Companies, LLC is an environmental consulting firm based in the Rocky Mountains serving oil and gas, energy industry, and utility clients. It was founded by environmental consultants and industry professionals to develop an employee-focused consulting model delivering high quality work at lower cost. The firm offers site assessments and remediation, reclamation/restoration, drone/UAV surveys, and environmental compliance support.

compliance inspectionsdischarge permittingdrone/UAV surveysmonitoringreclamation planningRegulatory reportingremediationSite assessmentsvegetation assessmentswaste management

Construction Trades Services is a construction company in Maryland that specializes in site development, utilities, demolition, earthwork, storm drain, and stormwater management. Serving Maryland and the Greater Washington Area since 1973, it provides turnkey infrastructure work for unique and historic projects, including national landmarks and memorials.

demolitionearthworkerosion controlsexcavationGPS-enabled machinerygradingsite developmentsite utilitiesstorm drain installation and repair

Cope Engineering Incorporated (CEI) provides professional civil, municipal, structural, water, wastewater, roadway, and environmental engineering services to South Central Texas. The firm traces its history to 1945 when it began as Helland & Seligman, and has served clients in the San Antonio area for over 70 years. CEI works with up-to-date programs such as Civil3D, GIS, and Bentley products.

civil engineeringconstruction managementfloodplain analysisLoad calculationsplattingroadway designSite design and layoutstructural analysisstructural engineeringTCEQ permitting and complianceWastewater collection and treatment designWater treatment and distribution designZoning

CoreCon Solutions is a licensed and insured company headquartered in Glen St. Mary, Florida, in operation since 2001. It specializes in comprehensive environmental compliance, stormwater management, and erosion control solutions for construction, industrial, and government entities, providing all services in-house with dedicated supervisors.

emergency responseenvironmental complianceerosion controlmaterial and equipment transportNPDES inspectionssubdivision maintenanceSWPPP

Seattle-based architectural firm serving projects statewide and beyond. Cornerstone Architectural Group designs schools, civic and commercial buildings, and homes across Seattle, the Pacific Northwest and beyond, with projects drawn and inspected by the same team from first sketch to final walkthrough. The firm emphasizes sustainability, energy efficiency, solar integration, and green building practices.

building envelope designcommissioningdaylightingEnergy Modelinggreen roofing designnatural ventilationsolar/PV integrationsustainable materials specification

Costich Engineering, Land Surveying & Landscape Architecture, D.P.C. is a New York State Certified Women-Owned Business (also City of Rochester and Monroe County Certified WBE) established in 1977, providing design and consulting services to public and private sector clients throughout the Northeastern region. The firm focuses on site development plans and approvals, including survey, environmental review, design development, permitting, and construction administration.

aerial drone photographyALTA/NSPS Land Title Surveyscivil engineeringconstruction administrationconstruction stakeoutenvironmental permittingGIS analysisgrading and drainagegreen infrastructureLandscape Architectureland surveyingpublic outreach and engagementsite designtelecommunications site designtopographic and boundary surveyswetland delineation

Infrastructure and Paving Contractor Cottle’s Asphalt Maintenance Cottle’s Asphalt Maintenance (CAM) is an established leader in the construction and paving industry. We are qualified and equipped with the manpower and equipment to efficiently complete projects of many sizes and complexity levels. As a “do-it-all” paving and infrastructure contractor, our experienced staff offer decades of construction knowledge in various disciplines. We provide effective, innovative solutions for everything from small residential projects and commercial paving to municipal road construction, DOT highway and bridge service, federal projects – and much more. Residential PAVING Commercial Paving Municipal Road Construction DOT Highway And Bridge Service Federal Projects A Reputation for Quality At Cottle’s Asphalt Maintenance (CAM), we pride ourselves on the excellent reputation we have earned based on.

asphalt millingasphalt pavingbridge constructionconcrete workcrane servicedesign-builddrilling and shoringexcavationpermittingsite developmentutility installationwaterproofing

CPA Pavement Services, Inc. is a licensed and insured general contractor based in Harrisburg, PA, serving Central PA since 1996. The company provides residential and commercial asphalt paving, concrete work, excavation, and sealcoating for driveways, parking lots, roadways, sidewalks, and site preparation projects.

asphalt pavingconcrete workcrack sealingdemolitionexcavationgradingline paintingsealcoatingsite preparationsnow removalutility installation

CPI Services LLC is a Service-Disabled Veteran-Owned, Minority-Owned Licensed General Contractor headquartered in Covington, Louisiana, serving federal agencies, military installations, and civil engineering authorities across the Gulf Coast. It holds Louisiana General Contractor License #63936 covering four classifications and an MS4 Stormwater Compliance Permit, and is SAM.gov registered (CAGE 7UD72).

brush clearingbuilding constructionCoastal Restorationdebris removaldisaster responsedrainage and stormwater systemsearthmovingexcavation and trenchinghaulinghighway, street, and bridge constructionlevee construction and repairmowingsite gradingsite preparation and clearingvegetation managementwater and sewer line construction

Craig Design Group Inc. (CDG) is a North Texas based woman owned environmental design studio practicing Landscape Architecture, Planning, Irrigation Design and Visualization Art. Founded in 1986 by Jolene and Gregory Craig as Archworks, rebranded as Craig Design Group Inc. in late 2007. CDG is a Texas certified DBE, WBE, SBE, HUB and Federal WOSB with experience in public and private sector projects in 40 states.

AutoCAD construction document productionBidding and site inspectionsConstruction specifications and administrationenvironmental planningirrigation designLandscape ArchitectureLEED consultinglow impact developmentmaster planningurban designVisualization Art

Crawford Environmental Services (CES) is a self-performing environmental engineering and construction firm founded in 2003 by Charlie Crawford. Headquartered in Virginia, CES provides environmental services to government, industrial, and commercial clients, with staff in 18 states and over 26 years of relevant experience. The firm has joined Verdantas.

CAD/GIS modelingconstructionemergency spill responseenvironmental site assessmentshydrogeologic investigations and groundwater modelingmulti-media samplingremediation system design, installation, O&M

CREDE Consultancy is a civil engineering firm committed to fostering positive community development through sustainable, innovative, and impactful engineering solutions. Led by President/CEO W. Jessie Marsh, PE, the firm focuses on environmental sustainability, social responsibility, economic growth, and aesthetic value in its projects.

bike lane designconstruction administration and inspectionerosion and sediment controlpermittingroadway and parking lot designroadway improvementsSite Civil Designsite grading and drainagetraffic control designutility coordinationzoning and land use analysis

Crews Surveying, LLC is a full service land surveying and civil engineering firm in Pipersville, Pennsylvania, specializing in Bucks County properties. The firm offers complete land surveying and development for residential, commercial, industrial, and government jobs, and was the first firm in Bucks County to utilize GPS technology and small UAS (quadcopter drones) for mapping. Principals Adam D. Crews, PLS, CFM, Remote Pilot, and Thomas H. Crews, PLS bring more than 50 years of experience.

aerial survey controlcivil engineeringdrone surveying and mappinggeodetic controlGPS surveyingland surveyingNPDES permittingproperty line stakingreality capturereflector-less total stationsrobotic total stationssite plans and permittingwearable 3D LiDAR scanning

Cross Country Land Services (CCLS) is a veteran-owned, HUBZone-certified contractor based in Jay, Maine, providing civil, government, and infrastructure sitework across Northern New England, including Maine, New Hampshire, Vermont, inland Massachusetts, and upstate New York. The company serves general contractors, government agencies, and private owners with site preparation, excavation, and infrastructure access, including federal work and complex logistics.

Access road constructionculvert installationdrainageerosion and sediment controlexcavationforestry mulchinggradingGravel road maintenanceland clearingpond constructionright-of-way clearingSeawall remediationShoreline and slope stabilizationStream and tidal crossingstree serviceunderground utility constructionvegetation managementwetland restoration

CSA Design Group, Inc. is a civil engineering firm specializing in land development, delivering practical, efficient, and constructible solutions from concept through completion. The firm partners with developers, builders, and municipalities to transform raw land into successful projects, balancing engineering precision, regulatory compliance, and constructability. CSA has been servicing the El Paso and Southern New Mexico regions for nearly a half-century, with officers and employees registered as Professional Engineers in Texas, New Mexico, and Virgin

civil engineeringconstruction loan inspectionsfeasibility studiesFEMA coordinationfloodplain analysisland developmentroadway & infrastructure designStormwater Designsubdivision & zoning services

CSC Design is a full-service architecture and interior design firm delivering innovative, sustainable solutions for commercial, educational, and civic environments across the Southeast. Its architects and civil engineers provide a single point of contact from initial site design to final building design, serving municipal, commercial, industrial, and ecclesiastical clients.

architecturecivil engineeringdue diligenceland developmentpermittingsite designsite planningZoning

C.S. Davidson, Inc. is an employee-owned civil engineering firm based in York, PA, serving communities throughout South-Central Pennsylvania. Founded in 1923, the firm provides engineering services to municipalities and private clients, with offices in York, Gettysburg, and Lancaster.

bridge inspection and designcivil engineeringmaterials testingstructural engineeringsurveyingtesting and special inspectionstransportation engineeringWater and wastewater 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.

civil engineeringconstruction managementflood control designgreen infrastructure engineeringhydrology and hydraulics designplan checkPlanningPS&E preparation

David A. Bramble, Inc. is a family-owned heavy civil construction contractor serving the Delmarva region across Maryland, Delaware, and Virginia for over 65 years. The company provides paving and road construction, site development, underground utilities, and asphalt production, operating two asphalt plants in Massey and Wye Mills, MD.

asphalt deliveryasphalt productionearthmovingexcavationgradingpavingquality control lab testingroad constructionsite preparationunderground utility installation

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 inspectioncivil engineeringconstruction administrationElectrical Substation Designhydro excavationSewer cleaningsite developmentstructural engineeringsurveying

DeBorn Construction Inc. is a Class A Licensed Heavy Highway & General Build contractor based in Prince William County, Virginia, providing construction services in Virginia, Maryland and Washington since 2002. The company serves as a general contractor for commercial site development and utility construction, working on federal, state, county and private commercial projects.

asphalt pavingbioretention constructionconcrete sidewalksconstruction managementdemolitionerosion and sediment controlexcavation and gradinglandscapingplayground developmentplumbingunderground utility constructionwater line installation

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.

civil engineeringconstruction stakingengineering & designsubdivision designsurveyingUAV mapping and surveyingunderground utility locating

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/BIMcivil engineeringdesign-buildpermit acquisitionProgram & Construction ManagementSite BIMsurveyUtility Design