Find engineering consulting firms by capability and location.

Allen Engineering and Science is an environmental, civil, and structural engineering practice serving private and public clients across the southeastern United States. Founded in 1993 as Eco-Systems and renamed in 2013, the company combines engineering, environmental science, planning, and construction management for oil and gas, manufacturing, energy, chemical, solid waste, real estate, and public-sector programs.

Award-Winning, Multi-Disciplinary Engineering Firm

We Create Cool Places Where People Want to Be

More Options. Fewer Surprises. Better Outcomes.

Structural engineering since 1964.

Engineering reliable transportation and heavy civil infrastructure since 1976

Serving our clients for over 30 years.

Providing Engineering, Procurement, Construction and Management solutions globally

C&Y Engineering is a structural engineering firm headquartered in Duluth, Georgia, offering structural design, inspection, construction management, and MEP construction services. It serves manufacturing facilities, chemical plants, and telecommunications industry clients, with project experience that includes Samsung's Taylor, Texas facility and SK Battery's Georgia plant. C&Y guides clients to maximize project value through structural engineering and inspection services, and opened a Korea branch in 2026 to support Korean companies expanding into the US market.

Civil Services, Inc. (CSI) is a multi-disciplined civil engineering consulting practice founded in 1989. Based in Jacksonville, Florida, CSI provides roadway design, bridge design, structural engineering, water resources, civil site design, program management, and construction engineering and inspection (CEI) services to public and private clients. CSI supports federal, state, county, and city agencies throughout the Southeastern United States and the Caribbean.

The Right Team Matters

We solve building envelope problems.

Preserving Infrastructure, One Solution at a Time.

Empowering communities to thrive.

Criterium-Raby Engineers is an Atlanta-area building inspection and engineering consulting office in the Criterium Engineers network. Based in Alpharetta, Georgia, the office serves commercial property owners, homeowner associations, residential clients, and construction stakeholders with building inspections, property condition assessments, environmental site assessments, reserve studies, structural evaluations, construction engineering, and building-envelope consulting.

An electrical, civil, and structural engineering corporation offering comprehensive utility and power services.

Delivering practical solutions to complex technical challenges.

Delivering Innovative Engineering Strategies to Ensure Project Success

A Greener Tomorrow

Engineering is our practice. Commitment to excellence is our passion.

Pioneering Civil Engineering Excellence Since 1998

Where We Build Your Visions

Committed to building partnerships through unparalleled service and expertise.

Solar and energy storage engineering