Public engineering firm directory

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Convergence Controls & Engineering

Littleton, CO

Where Controls & Engineering Converge

WebsitePhone2 offices4 credentialsUpdated Jun 2026

Service detail: Control Engineering and Programming

Service: Control Engineering and ProgrammingService: Programmable Logic ControllersService: Supervisory Control and Data AcquisitionIndustry: Oil & GasIndustry: Power GenerationType: Automation & Controls+32 more

Ensight Haynes Whaley

Stafford, TX

Structural Engineering for Public and Private Projects

WebsitePhone2 offices4 projects1 credentialsFounded 2009Size Estimate: 10-49 employees

Project: TFC Capitol Complex Phase II

Service: Structural DesignService: New ConstructionService: Renovation and AdditionsIndustry: EducationIndustry: HealthcareType: Structural Engineering+13 more

GGE Consulting Engineers Inc.

San Antonio, TX

Structural Engineers - Civil - Land Surveying

WebsitePhone3 officesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Slab-on-Grade and Post-Tension Slab DesignService: Structural Systems DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+40 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

Lozann, LLC

Houston, TX

Lozann is a Houston, Texas energy-management and sustainability engineering consultancy. It assists commercial developers, builders, and building owners in minimizing energy waste, meeting stringent energy codes, obtaining permits, and securing sustainability certifications. The practice also guides clients through energy-efficiency tax savings, including the 179D tax deduction and 45L tax credit, while providing energy analysis, audits, building commissioning, and sustainable design implementation.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Energy-Efficiency Tax Incentives

Service: Energy-Efficiency Tax IncentivesService: 179D Commercial Buildings Energy-Efficient Tax DeductionService: 45L Energy Efficient Home CreditIndustry: CommercialIndustry: ResidentialType: Mechanical Engineering+12 more

Parra & Co

San Antonio, TX

Boutique-level site civil, drainage, and infrastructure engineering for Texas growing communities

WebsitePhone2 offices9 projects1 credentialsUpdated Jun 2026

Project: Palo Alto College Drainage System Improvement

Service: Stormwater and Drainage EngineeringService: Stormwater Management PlansService: Hydrological and Hydraulic AnalysisIndustry: TransitIndustry: EducationType: Civil Engineering+33 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

Titan Controls, LLC

Houston, TX

Industrial automation and process control engineering services

Website1 office5 projects5 credentialsFounded 2005Updated Jun 2026

Project: Sweeny Texas Automation Services

Service: Control System EngineeringService: Control System Conceptual DesignService: Control System SpecificationIndustry: Oil & GasIndustry: PetrochemicalType: Automation & Controls+16 more

Waldemar S. Nelson & Co., Inc.

New Orleans, LA

Engineering is the Foundation of Civilization

WebsitePhone2 offices2 projects2 credentials2 publicationsFounded 1945

Project: Artemis II Space Mission Engineering

Service: Civil, Structural and Architectural EngineeringService: Civil Site and Infrastructure DesignService: Structural Engineering for Complex FacilitiesIndustry: Oil & GasIndustry: PetrochemicalType: Architecture & Engineering+34 more

tQ Automation, LLC

Houston, TX

Field service engineering, control systems, and digital oilfield solutions

WebsitePhone1 office3 projects2 leadersUpdated Jun 2026

Project: Global Oil Services Company - MWD/LWD Product Development

Service: Engineering ConsultingService: Control System DesignService: Embedded System Design and DevelopmentIndustry: Oil & GasIndustry: Renewable EnergyType: Automation & Controls+18 more