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Lancaster, OHYour Trusted Engineering Partner
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Colorado Civil, Structural, & Land Surveying Experts

Innovative Agritech & Engineering Solutions

Distinguished Transportation & Site 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.

Your Engineering Solutions... Start to Finish.

Applying the Latest Technology

Multidisciplinary engineering and support services in the Baltimore-Washington area
Driving Innovation and Digitization in Engineering
Engineering for an Integrated World
Specialized electrical engineering for aviation, transportation, and facilities projects

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.

Innovative Engineering Solutions Since 1980
Practical Solutions. Designed to Last.
An Aerodynamics Legacy Since 1971

From concept to close-out.

Large Firm Expertise Small Firm Values
Built for Rural and Tribal Broadband

architects + engineers

Texas Civil Engineering Professionals

Serving S. Oregon and N. California Since 1983

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.

Engineering design, construction support and construction inspection services for transportation infrastructure
Engineering Innovators