Stacy Witbeck https://swhhsr.com/Areas/CMS/assets/img/STW-logo.png California CSLB #414305,2800 Harbor Bay Parkway
Alameda, CA 94502
510.748.1870

Infrastructure: Transformed

Since 1981, we’ve been transforming the water market—starting with a single water line installation and expanding to deliver some of the nation’s most complex wet utility infrastructure.

From gravity to pressurized systems, from reservoirs to pump stations, we’ve touched every facet of the water and wastewater industry.


Alternatives: Delivered

With over 40 years of experience and $15.5B+ delivered through Alternative Delivery models, we bring a project-first, collaborative mindset that ensures the smoothest possible outcomes for our clients and the communities they serve.

  • 100+ utility agencies served nationwide
  • Experts in CMAR, Design-Build, and Bid-Build delivery
  • Self-perform capabilities and coast-to-coast partnerships


Experience: Proven

Our strength lies in heavy civil construction and the ability to self-perform across nearly all scopes of infrastructure work.

We design strategic, localized solutions that minimize disruption, streamline delivery, and optimize long-term performance.


“Every community deserves dependable infrastructure—and every project deserves a partner who understands how to deliver it.”


Partnerships: Strengthened

Our team’s deep relationships with contractors and workforces nationwide allow us to tailor each effort to local needs and priorities.

With a foundation built on collaboration, transparency, and decades of earned trust, we’re committed to delivering what matters most: reliable infrastructure, lasting impact, and resilient communities.


Featured Projects

Caltrans Pump Stations

Lynnwood Link Extension

Silver Lake Reservoir