A Partner You Can Trust

We build the complex, end-to-end infrastructure that keeps our communities connected.

Who We Are

Stacy Witbeck is a full-service contractor with the ability to manage and self-perform the entirety of heavy civil infrastructure projects, from start to finish. We’re known as being the go-to contractor for the complex urban projects requiring a partner who understands how to make projects successful.

Our Expertise

Client-Focused Project Management

We constantly collaborate with key stakeholders, partners, and subcontractors to minimize costs and efficiently reach project goals.

Alternative Delivery

More than a project execution, alternative delivery is a collaborative, fundamentally different approach guiding our work.

Complete Systems Solutions

Our subsidiary, Modern Railway Systems (MRS), allows us to provide comprehensive communications and signaling systems.

Complex Infrastructure Construction

We built our name on heavy civil construction, and our expertise allows us to handle the challenges complex projects provide.

Leaders in High-Speed Rail

We’re building the future of America’s rail infrastructure.

Learn More

Careers

Ready to Get Your Hands Dirty?

You want to leave your mark. You’re not afraid of a little hard work. You want to work with people you actually like. You sound like a perfect ﬁt.

Join Us

Projects

Our Work

We are the go-to contractor for complex infrastructure projects.

View All Projects

Mid-Coast Corridor Projects

San Diego, CA

Mid-Coast Corridor Transit Project is a $1.5 billion CM/GC initiative extending...

Silver Lake Reservoir Complex Storage Replacement

Los Angeles, CA

The Silver Lake Reservoir Complex Replacement Program is a critical infrastructure...

Lynnwood Link Extension

Seattle, WA

A 4.8-mile double-track extension of Sound Transit’s light rail system was...

Sixth Street Viaduct Replacement

Los Angeles, CA

The Sixth Street Viaduct is a signature bridge and community landmark, combining...

SMART Commuter Rail

Sonoma and Marin Counties, CA

This was the construction of the initial 41-mile operating segment of the SMART...

A Partner You Can Trust

Who We Are

Our Expertise

Client-Focused Project Management

Alternative Delivery

Complete Systems Solutions

Complex Infrastructure Construction

Featured Article

Kiewit-Stacy Witbeck-Herzog Joint Venture Selected to Install Nation's First True High-Speed Rail Track and Systems

Leaders in High-Speed Rail

Careers

Ready to Get Your Hands Dirty?

Experts in Water and Wastewater

Projects

Our Work

Mid-Coast Corridor Projects

San Diego, CA

Silver Lake Reservoir Complex Storage Replacement

Los Angeles, CA

Lynnwood Link Extension

Seattle, WA

Sixth Street Viaduct Replacement

Los Angeles, CA

SMART Commuter Rail

Sonoma and Marin Counties, CA

Discover the difference the right partner can make.