154 Tech LLC
Santa Barbara, CAAdvanced systems engineering, geospatial intelligence, and end-to-end program lifecycle support
Service detail: Technical Program Management
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Advanced systems engineering, geospatial intelligence, and end-to-end program lifecycle support
Service detail: Technical Program Management
Ruggedized product engineering for the field and the future.
Project: JASC Pressure Regulating Controller
2IM Group, LLC is a Chicago-based civil, environmental, and transportation engineering practice. Now part of MacKay, it continues to deliver technical solutions across highways, roads, streets, aviation, rail, transit, utilities, and stormwater management systems while offering expanded resources and broader geographic reach.
Project: O'Hare Terminal 3, Concourse L Expansion

Distinguished Transportation & Site Engineering
Service detail: Traffic Engineering

A&R Engineering is a civil engineering firm specializing in traffic and transportation engineering, headquartered in Marietta, Georgia. A&R has served clients across Georgia, South Carolina, and Alabama for over 20 years, guiding projects from due diligence through construction completion. The team works with developers, architects, attorneys, and public agencies on retail, residential, industrial, mixed-use, educational, and medical developments, delivering traffic impact studies, intersection and signal design, permitting support, construction oversight, and expert witness services.
Service detail: Traffic Studies
Engineering for an Integrated World
Project: Denver Central Business District - Traffic Signal Retiming

Innovative Solutions, Exceptional Performance
Service detail: System Design
Analytical HEAVY Lifting
Service detail: Worst-Case Circuit Analysis (WCCA)

Civil Services with a Forward-Thinking Approach
Project: VIA Park and Ride at Stone Oak
Practical Solutions. Designed to Last.
Service detail: Civil Engineering
Engineering with integrity & purpose.
Project: The Virginia Vanguard

Transforming Today's Ideas Into Tomorrow's Reality
Project: South Terminal Complex
AVEC, Inc. provides expert technical assistance in the analysis and control of noise and vibration in mechanical systems. Capabilities span phased array design and software, tire-pavement noise measurement (OBSI), road surface sound absorption (ROSSA), propeller noise prediction, structural analysis using FEM and BEM, unsteady aerodynamics, and machinery fault diagnostics. Past clients include NASA Langley Research Center, the Japan Aerospace Exploration Agency, Boeing, Siemens, and the US Air Force.
Service detail: Noise and Vibration Engineering

Crafting sustainable solutions that enrich lives
Service detail: Transportation Engineering

Empowering organizations through technology
Service detail: Software Development

Accompong Engineering Group, LLC offers civil and transportation engineering, planning, and program and project management services. It works with public and private sector clients, including departments of transportation, municipalities, state and federal agencies, contractors, and consultants.
Project: Frederick Douglas Memorial Bridge

Texas Civil Engineering Professionals
Project: Iowa Colony City Engineer

Serving S. Oregon and N. California Since 1983
Project: Klamath Irrigation District - C-Flume Replacement
Innovations for a Better Tomorrow
Project: Navy Threat Simulator Validation Contract

Engineering design, construction support and construction inspection services for transportation infrastructure
Project: Route 440 Ramp Over Route 35 Bridge Deck Replacement

Systems engineering, analysis, simulation, integration and test
Project: Skybus 30K Avionics and Propulsion Harnessing

Leading Experts in Transportation Engineering
Service detail: Traffic Engineering

AFJMc is a consulting engineering firm with more than 55 years of experience delivering civil, structural, mechanical, electrical, and transportation engineering services. Its portfolio includes roadways, bridges, utility and site design, industrial process systems, higher education facilities, healthcare facilities, government buildings, sports and recreation facilities, and commercial projects.
Project: Jimmie Davis Bridge (LA 511) Replace/Rehab
Alico Systems is an innovative product development practice that designs solutions for consumer, industrial, government, and military markets. Its expertise spans mobile wireless computing platforms for image, voice, video, and data communications, alongside phased array beam steered antennas, RF transceivers, microprocessor and FPGA electronics, and wireless sensor networks for remote monitoring and control. Key systems include mobile satellite communications terminals, VoIP PBX systems, broadband wireless networks, and motion sensor platforms.
Project: SAXBA Distributed Broadband SATCOM On-The-Move Terminal