3T Design & Development LLC
Kansas City, MOAir. Land. Water.
Service detail: Air Quality and Environmental Compliance
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Air. Land. Water.
Service detail: Air Quality and Environmental Compliance
Engineering Excellence for a Sustainable Future
Service detail: Systems Engineering & Integration

Applying the Latest Technology
Service detail: Civil Engineering

Providing Engineering Solutions for Sustainable Infrastructure
Project: Lummus Park Waterfront Redevelopment

Civil & Structural Engineering, Design Services, General Contracting, and Construction Management
Project: Washington Avenue Streetscape Project
Engineering for an Integrated World
Project: Denver Central Business District - Traffic Signal Retiming
Specialized electrical engineering for aviation, transportation, and facilities projects
Service detail: Electrical Systems Design

AIG Technical Services, LLC is a Houston-based engineering consulting practice specializing in transportation infrastructure. It offers a multi-disciplinary blend of planning, engineering, and program management services for various transportation projects, ranging from local improvements to large-scale corridor developments across Texas. The practice focuses on delivering cost-effective and safe solutions by collaborating closely with public agency clients to address complex engineering and planning challenges.
Project: SH 146 Ferry Road to I-10 Schematic and Environmental Study

Best-In-Class Engineering Expertise
Project: Fremont Blvd/Old Warm Springs Blvd - New Signal
Engineering with integrity & purpose.
Project: The Virginia Vanguard
Engineering Innovative Solutions
Service detail: Environmental Planning

Engineering Excellence
Project: Casper's West Belt Loop Road
From Blueprint to Reality
Service detail: Civil Engineering

Many Disciplines One Team
Project: Haven Hollow Park Improvements

Crafting sustainable solutions that enrich lives
Service detail: Transportation Engineering
A solution-oriented international organization experienced in engineering and IT services.
Project: Grand Ave. Ramp Reconstruction
Built for Rural and Tribal Broadband
Project: Rural Area Broadband Support Network (RABSN)

Professional civil engineering services in New Mexico and Arizona
Project: Moenkopi Wash Drainage Improvements Project

Improving Mobility and Access
Project: Link21 Program's New Transbay Rail Crossing

Texas Civil Engineering Professionals
Project: Iowa Colony City Engineer

Serving S. Oregon and N. California Since 1983
Project: Klamath Irrigation District - C-Flume Replacement

Advanced Infrastructure Design, Inc. (AID) is a consulting engineering practice established in 1998. Headquartered in Hamilton, New Jersey, with an office in Philadelphia, Pennsylvania, it is staffed by licensed Professional Engineers, scientists, researchers, and technicians. The practice specializes in transportation infrastructure preservation, deploying advanced non-destructive testing (NDT) technologies to evaluate and design solutions for roads, bridges, tunnels, airports, substructures, foundations, and parking structures. It is led by President Mojgan Mohtashami, PhD, MBA.
Service detail: Pavement Engineering

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

Afridi Associates provides professional consulting engineering services specializing in transportation infrastructure, public buildings, and geotechnical engineering. It delivers solutions for highways, bridges, rail systems, airport terminals, and waterfront structures across the northeastern United States.
Project: JFK Terminal One Reconstruction