3Vi, Inc.
San Ramon, CAEngineering Excellence for a Sustainable Future
Service detail: Systems Engineering & Integration
Public engineering firm directory
Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.
130 results
Showing 1-24 of 130
Engineering Excellence for a Sustainable Future
Service detail: Systems Engineering & Integration

MEP, Lighting, Energy, and Life Safety Engineering
Service detail: MEP Services
All things electrical
Project: Northglenn Recreation Center

Innovative Construction Solutions
Service detail: Program and Project Management

Large Firm Expertise Small Firm Values
Service detail: Transportation Engineering

Projects You Value. Partners You Trust.
Project: Public Utility District Modernization

Innovative Engineering Solutions for Utility Challenges & Needs
Project: I-35 NEX South Project Electric and Telecom Utility Relocations

Powering Your Future
Service detail: Electrical Contracting

Leading the global energy transition as a full-service energy partner
Service detail: Energy Efficiency

Specializing in Geotechnical/Environmental Engineering and Quality Assurance/Control Testing
Service detail: Geotechnical Engineering

Unique Solutions to Pulsed Power Challenges
Project: RS105 HEMP Simulator Installation at NIWC Pacific

The no-nonsense spatial partner.
Project: City of Laramie, Wyoming ArcGIS Modernization

We Create Cool Places Where People Want to Be
Project: MARTA Station Rehabilitation Program
Pioneering the Future of Energy
Service detail: Power Optimization Solutions

Mechanical, Electrical, and Plumbing Engineering Consultants
Project: Sharp Chula Vista Emergency Department Transformation
Specialized test engineering, remote data acquisition, and physics-based rail modeling
Service detail: Test Engineering
Multi-disciplinary engineering services for public and private development
Project: Massabesic Experimental Forest Timber Bridge
We make buildings come to life
Project: Kirtland Air Force Base Microgrid Resiliency Project
Your Energy & Water Management Partner
Project: Ocean Bay Apartments

Mobility & Technology in Transportation
Project: Petco Park Gallagher Square 20th Anniversary

A Modern Program Management Company
Project: San Diego Roadway As-Built Mapping
Finding a better way.
Service detail: Transportation Solutions

Civil, Mechanical, Electrical, and Plumbing Engineering Services
Service detail: MEP Engineering
Engineering Services Horsepower
Project: 4.5 MW Solar Farm