3Vi, Inc.
San Ramon, CAEngineering Excellence for a Sustainable Future
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Engineering Excellence for a Sustainable Future

Specialized civil and structural engineering services for bridges and infrastructure projects.

Providing Quality Services for Over 30 Years

Innovative, Trusted Structural Engineering Since 1996
Driving Innovation and Digitization in Engineering
Helping Build a Safer Infrastructure

We build confidence
Engineering with integrity & purpose.

From Start-to-Finish with Real People in Mind

Build On Our Experience
Planning Solutions for Complex Sites
Every structure needs a permit, and every permit needs an engineer's certified stamp.

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.

Innovative Solutions for Heavy Civil & Marine Construction
The command center for infrastructure and safety. Operational readiness. Absolute precision.
Engineering, Design & Construction Services, Plus Advisory and Grant Support

Leading the pavement consulting industry

Multidisciplined EPCM
Allied Erecting & Dismantling Co., Inc. (AED) specializes in the selective and mass dismantling of complex industrial structures. Established in 1973 in Youngstown, Ohio, AED has completed some of the largest and most challenging industrial dismantling projects in the United States, pioneering techniques and equipment for heavy industrial decommissioning. It operates as a wholly owned subsidiary of Allied Consolidated Industries, Inc. (ACI) and draws on sister companies specializing in scrap processing, structural and civil engineering, mechanical engineering, industrial manufacturing, and heavy fabrication.
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.
Critical investigations, testing, analysis, and design for a more certain world

Innovative Architectural and Engineering Solutions

Andrew Brock Consulting Engineer LLC is a structural, civil, and specialty delegated engineering practice headquartered in Toledo, Ohio. Serving clients throughout the Midwest and Western states, it provides engineer-of-record services for K-12 and post-secondary schools, industrial facilities, warehouses, hospitals, and commercial developments. The practice has specialized expertise in heavy seismic, high-wind, and Risk Category III and IV facility design, employing 3D building information modeling (BIM) to coordinate seamlessly with architects, contractors, and other consultants.

Quite Simply... Stronger Home Designs and Plans.