Public engineering firm directory

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Aegis

Silver Spring, MD

Keeping Construction Projects on Track

WebsitePhone8 offices5 projects7 leadersFounded 2006Updated Jun 2026

Project: Reagan National Airport

Service: Planning & SchedulingService: CPM Schedule DevelopmentService: Schedule Analytics, Quality Control, and KPI AnalysisIndustry: InfrastructureIndustry: AirportsType: Owner's Engineer+29 more

Application Technology Strategy, LLC

Georgetown, TX

Satellite and space consulting firm specializing in satellite communications and space systems technology consulting. ATS is led by Bruce Elbert with over 50 years of space industry experience, offering technical and management consulting, systems architecture, broadband and wireless consulting, RF and interference resolution, and expert witness services for legal proceedings involving satellite and radio communications.

Website1 office1 leaders5 credentialsFounded 1999Updated Jun 2026

Service detail: Technical & Management Consulting in Satellite Communications

Service: Technical & Management Consulting in Satellite CommunicationsService: Space Segment ConsultingService: Ground Segment ConsultingIndustry: AerospaceIndustry: DefenseType: Telecom / RF Engineering+14 more

Duplantis Design Group, PC

Thibodaux, LA

Broad Vision. Expert Focus.

Website9 offices4 projects10 leadersFounded 1997Updated Jun 2026

Project: Louisiana Clean Energy Complex

Service: Civil EngineeringService: PlanningService: Civil Site DesignIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+50 more

Howland Engineering and Surveying Co.

Laredo, TX

Excellence in Engineering & Surveying Since 1922

WebsitePhone3 offices11 projects3 leaders6 credentialsFounded 1922

Project: Alexander 9th Grade Center

Service: SurveyingService: ALTA SurveysService: TxDOT SurveyingIndustry: Oil & GasIndustry: Renewable EnergyType: Civil Engineering+63 more

RWB Consulting Engineers

Dallas, TX

Design Consultants for High-Performing Buildings

WebsitePhone2 offices5 projects6 credentials3 publicationsFounded 1986

Project: Eagle Mountain High School No. 4 - Sky Bridge

Service: Mechanical EngineeringService: HVAC System DesignService: Central Utility Plant DesignIndustry: CommercialIndustry: Data CentersType: MEP+43 more

SAM, LLC

Chesterfield, MO

Professional Services that Power Decisions

Website4 offices8 projects1 leaders9 credentialsUpdated Jun 2026

Project: TxDOT El Paso District Border Highway East Study

Service: Land SurveyingService: ALTA and Boundary SurveysService: Right-of-Way and EasementsIndustry: Electric UtilitiesIndustry: Renewable EnergyType: Land Surveying+45 more

Spin Systems, Inc.

Falls Church, VA

Systems integrator for cloud-based solutions, specializing in sustainment and modernization for the enterprise.

WebsitePhone3 offices2 projects14 credentialsFounded 1998Updated Jun 2026

Project: Agile Core Services Data Access Layer (ACS DAL)

Service: Application ServicesService: Custom Web Application DevelopmentService: Portal FrameworksIndustry: FederalIndustry: DefenseType: Software Engineering+20 more

TOP Engineers Plus, PLLC

San Antonio, TX

Communications Engineering Services for Critical Infrastructure & Operations

WebsitePhone1 office4 projectsSize Estimate: 1-25 employeesUpdated Jun 2026

Project: Fiber Optic Replacement Program (97-mile, 26-substation)

Service: Technology RoadmapService: Functional, technical, and organizational needs assessmentService: Infrastructure Roadmap development (physical architecture and medium)Industry: Electric UtilitiesIndustry: TelecommunicationsType: Automation & Controls+46 more

TRICORD Consulting

Frisco, TX

We've Got Air Quality Covered

WebsitePhone7 offices6 leadersSize Estimate: 50-99 employeesUpdated Jun 2026

Service detail: Air Quality Permitting

Service: Air Quality PermittingService: Air Quality Regulatory Compliance AnalysisService: Control Technology AnalysisIndustry: Oil & GasIndustry: PetrochemicalType: Environmental Engineering+25 more

Telnet, Inc.

Rockville, MD

Telnet, Inc. is a Rockville, Maryland-based telecommunications and IT engineering firm founded in 1995 specializing in wireless network engineering, in-building distributed antenna systems (DAS), emergency responder coverage systems (ERRCS), and RF/EME regulatory services. It has optimized more than 35,000 wireless sites across the US and performs turnkey wireless network build-out, integration, and optimization for major carriers and equipment vendors. Telnet also provides expert workforce augmentation and IT managed services for government and commercial clients.

WebsitePhone4 offices3 credentialsFounded 1995Size Estimate: 51-200 employeesUpdated Jun 2026

Service detail: Wireless Engineering

Service: Wireless EngineeringService: Network Design and OptimizationService: New Network Roll-Out and Technology IntegrationIndustry: TelecommunicationsIndustry: FederalType: Software Engineering+29 more

The Ranger Group

Frisco, TX

Leaders on the Engineering Frontier

WebsitePhone1 officeUpdated Jun 2026

Service detail: Software Engineering

Service: Software EngineeringService: Embedded Software Application DevelopmentService: Web, Mobile, Cloud, and PC Application DevelopmentIndustry: AerospaceIndustry: DefenseType: Software Engineering+21 more