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CAS Consulting & Services, Inc.

Austin, TX

Civil engineering, program management, and construction management solutions for water, wastewater, and transportation infrastructure

WebsitePhone4 offices6 projects8 leaders25 credentialsFounded 1999

Project: Huebner Creek Regional Stormwater Facility

Service: Water & Wastewater EngineeringService: Water Distribution Evaluation and DesignService: Collection System Design and RehabilitationIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+31 more
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CityScape Engineering, LLC

Baltimore, MD

Inspired Civil Engineering Design

WebsitePhone1 office10 leaders8 credentialsFounded 2014Size Estimate: 9 employees

Service detail: Green Infrastructure Design

Service: Green Infrastructure DesignService: Environmental Site DesignService: Low Impact DevelopmentIndustry: Parks & Open SpaceIndustry: Affordable HousingType: Civil Engineering+28 more
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Gen IV Nuclear Energy Systems Services, LLC

Fail-Safe nuclear energy technologies with unmatched economic competitiveness

Website1 credentialsUpdated Jun 2026

Service detail: Advanced Reactor Design and Development

Service: Advanced Reactor Design and DevelopmentService: Gen IV and Gen V Reactor DesignService: Smart & Resilient iReactorsIndustry: NuclearIndustry: FederalType: Defense Engineering+25 more
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LR3 Solutions, LLC

Alexandria, VA

Reliable, Resourceful, Results-Driven

WebsitePhone1 office3 projects4 leaders9 credentialsSize Estimate: 2-10 employees

Project: Utility Privatization and Infrastructure Conveyance Support

Service: Technical AnalysisService: Utility System Risk AssessmentService: On-Site Facility InspectionsIndustry: FederalIndustry: GovernmentType: Power & Utility Engineering+20 more
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Mach33 Engineering

Beltsville, MD

Dream Big, Build Bigger

WebsitePhone1 office9 projects1 leaders8 credentialsFounded 2018

Project: MOMA - Mars Organic Molecule Analyzer

Service: DesignService: 3D ScanningService: Models & PrototypesIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+9 more
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Relative Dynamics Inc.

Laurel, MD

(Re)Think Space.

WebsitePhone1 office5 projects6 leaders5 credentialsFounded 2011

Project: NASA 2025 Phase 1 STTR - High-Speed Photonic Integrated Analyzer

Service: Satellite CommunicationsService: Optical Laser Communications Systems DesignService: RF Communications Systems DesignIndustry: SpaceIndustry: DefenseType: Aerospace Engineering+35 more
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Stone Security Engineering, PC

New York, NY

Applied Knowledge

WebsitePhone3 offices3 leaders4 credentials3 publicationsSize Estimate: 1-50 employees

Service detail: Consulting and Design

Service: Consulting and DesignService: Security Design AnalysisService: Planning and Master PlanningIndustry: CommercialIndustry: GovernmentType: Structural Engineering+25 more
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The Solco Group, LLC

Port Arthur, TX

Planning is our Passion, Engineering is our Experience, Research is our Responsibility, and Consultancy is our Commitment

WebsitePhone2 offices5 leaders4 credentialsSize Estimate: 2-10 employeesUpdated Jun 2026

Service detail: Airport Planning & Engineering

Service: Airport Planning & EngineeringService: Airport Improvement Program (AIP) ConsultingService: Airport Compliance / Land / Mineral Rights ConsultingIndustry: AviationIndustry: TransportationType: Aviation Engineering+27 more
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True Power Systems

Lexington, KY

Where Power Becomes Predictable.

WebsitePhone1 office9 projects3 leaders4 credentialsFounded 2024

Project: Data Center Power Analysis

Service: Power System StudiesService: Arc Flash Hazard AnalysisService: Short-Circuit StudiesIndustry: HealthcareIndustry: IndustrialType: Electrical Engineering+20 more
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United ECM

Sacramento, CA

United ECM specializes in the technical delivery oversight of major high-speed and electrified transit systems. The practice serves as owner's engineer, contractor's partner, construction manager, and program manager for rail electrification, traction power, and systems integration projects across the United States. Its in-house design team provides final engineering design, traction power load-flow simulations, and 3D BIM virtual reality models, drawing on experience from major programs including California High-Speed Rail and the Caltrain Peninsula Corridor Electrification Project.

WebsitePhone5 offices8 projects10 leaders2 credentialsSize Estimate: 1-25 employees

Project: Metro Purple Line Extension Section 3 Stations Design-Build

Service: Program and Project ManagementService: Comprehensive project planning and schedulingService: Budget management and cost controlIndustry: RailIndustry: TransitType: Owner's Engineer+31 more
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