
3D Design & Engineering
Houston, TXInnovation, Integrity & Quality - All of your A&E, Surveying and Utility Locating needs under one roof.
Project: Superbowl LI Cellular Network Modifications
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Innovation, Integrity & Quality - All of your A&E, Surveying and Utility Locating needs under one roof.
Project: Superbowl LI Cellular Network Modifications

Specializing in geotechnical, structural, and civil engineering excellence
Project: Big Beaver Bridge

Leaders in Design, Construction, and Environmental Services
Project: RDU Airport Terminal 2 Expansion

Multidisciplinary engineering and support services in the Baltimore-Washington area
Project: WMATA Bus System Renovations
Turning client vision into buildable, cost-effective solutions.
Service detail: Architectural and Engineering Design

Civil & Structural Engineering, Design Services, General Contracting, and Construction Management
Project: Washington Avenue Streetscape Project

Engineering, Surveying, and Inspections
Project: 95REVIVE Pottstown Expressway Reconstruction
Enhancing communities and the built environment.
Project: SFO Harvey Milk Terminal Boarding Area B
Practical Solutions. Designed to Last.
Service detail: Civil Engineering

Engineering The Future
Service detail: MEP & Fire Protection Engineering

Innovative geotechnical, forensic structural, and materials testing services throughout Florida.
Service detail: Geotechnical Engineering
California's Only One Stop Shop
Service detail: Planning and Permitting
Engineering and Environmental Consultants
Project: ATOKA Bioremediation Project
Innovative and sustainable engineering solutions
Project: Michoacan Ice Cream Shop

Geotechnical, Civil, and Structural Engineering Across California and the Western States
Project: LA Metro Gold Line - MSE Wall
A solution-oriented international organization experienced in engineering and IT services.
Project: Grand Ave. Ramp Reconstruction

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

Safety Focused Engineers
Service detail: Structural Engineering

Professional Consulting Services
Project: Flat Top Lake Dam

Engineering Our Community
Founded in 1979, Alvi Associates provides integrated multidisciplinary engineering services across structural, water resources, transportation, and geotechnical engineering for complex infrastructure projects. Based in Towson, Maryland, the practice has earned numerous national and state engineering awards and is recognized for first-of-its-kind solutions in the Mid-Atlantic region and beyond. Nearly all clients are repeat clients, reflecting decades-long relationships with government agencies, engineering consultants, law practices, and contractors.
Project: Forensic Investigation for Edenville Dam Failure

Raising the Quality Standard
Project: NY Botanical Garden Dome

Geotechnical engineering, structural design, and construction materials testing in the Texas Panhandle
Project: City of Amarillo Osage WTP High Service and Transfer Pump Station