Public engineering firm profile
3Vi, Inc.
San Ramon, CA
Engineering Excellence for a Sustainable Future
- Services
- 16
- Offices
- 3
- Leaders
- 1
Overview
3Vi, Inc. designs reliable transit networks to serve communities, delivering transit systems engineering, electrical engineering, and general construction services. It specializes in systems integration, traction power, communications, and public works infrastructure for rail agencies and transit authorities, maintaining active construction operations under a California Class A General Engineering license.
Services
Systems Engineering & Integration
Delivers comprehensive management of complex transit networks from initial system design through to final commissioning.
Electrical Engineering
Provides professional power and electrical systems design supported by active engineering registrations.
General Construction Services
Executes licensed general contracting for public works, heavy infrastructure, and transit facilities.
Software & Cloud Solutions
Integrates advanced cloud platforms to support modern digital infrastructure in transit environments.
EV Charging Infrastructure
Supports electric vehicle and zero-emission transit integrations for public agencies.
Industries
Firm type
Leadership
Zara Younossi
CEO
P.E., PMP, CCM
A transit engineering leader with over 20 years of sector experience across the United States, United Kingdom, and Australia. Her background spans major transit programs including California High Speed Rail, London Underground, Bay Area Rapid Transit's Traction Power Substation Replacement Program, and Washington Metro's Nextgen CBTC Program.