Find engineering consulting firms by capability and location.

Top-of-the-Line Civil Engineering and Land Surveying Services

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.

Founded in 1980, Aliquot Associates, Inc. is a multi-disciplinary engineering and surveying firm serving public and private clients across the San Francisco Bay Area. The practice offers civil engineering, traffic engineering, and land surveying services from offices in Oakland and Walnut Creek, California. Aliquot brings decades of expertise across diverse project types including public roadways and highways, transit facilities, residential subdivisions, commercial and mixed-use sites, water and sewer systems, stormwater management, and park improvements. With extensive agency-side experience and strong local knowledge across multiple Bay Area jurisdictions, the team provides responsive, customized service from initial planning and feasibility studies through design, permitting, construction, and inspection. Every project is managed directly by a principal, enabling quick decision-making and close coordination with property owners, architects, contractors, and agency representatives.

Shaping Our Communities Together

Engineering | Surveying | Solutions

Experience Dedicated to Your Success

Excellence in engineering.

Moving You Forward

Serving our clients for over 30 years.

Civil, structural, and surveying engineering solutions for public infrastructure and private developments

Mobility & Technology in Transportation

Transportation Moves Us!

Florida Infrastructure Beyond Engineering

Engineering. Planning. Consulting.

Multi-Disciplinary Engineering, Planning, Construction Management & Environmental Consulting

Quality, integrity, and technical expertise providing innovative engineering solutions for traffic, transportation planning, and design.

Cross Consulting Engineers, P.C. (CCE) is a civil, structural, and architectural engineering and land surveying firm headquartered in St. Albans, Vermont, founded in 1989. It serves industrial, commercial, institutional, municipal, residential, and resort clients throughout Vermont and the region. CCE provides complete project services from site planning and permitting through building design, structural engineering, water and wastewater systems, transportation engineering, and construction administration. It has in-house civil, architectural, and structural staff and regularly serves as project manager and architect of record on large industrial and commercial building projects.

Client-Focused Parking Solutions

Shaping a Smarter Transportation Experience

Dedication and Experience

Expertise in traffic engineering, accident reconstruction, and highway safety

Dolan & Dean Consulting Engineers, LLC is a civil and traffic engineering consultancy founded in 2007 and headquartered in Somerville, New Jersey, providing specialized services exclusively in traffic engineering, roadway and intersection design, and transportation planning. With 60 years of combined professional experience, the practice serves private, institutional, and municipal clients across New Jersey, Pennsylvania, New York, Maryland, Connecticut, Massachusetts, South Carolina, and Delaware. The team has presented before more than 500 planning and zoning boards, public agencies, and courts throughout the region.

Transportation Engineering Solutions

Pavement, Geotechnical and Materials Engineers