About Us

Vance M

Vance Martin

President
Steve Flett

Steve Flett

Vice President
Pre-Construction Services
Matt Smith

Matt Smith

CFO

Second Row

Slayden is a leader in the Pacific Northwest heavy civil construction industry, primarily focusing on water and wastewater infrastructure. Slayden is built on strong values, hard work, and a commitment to getting the job done right. The success of our company is best expressed by staffing a safe workplace with experienced employees and a committed management team. Our approach provides steady growth in work volume, successful career development for personnel, and an extensive list of satisfied clients for more than 30 years.

Strength through Experience and Knowledge

Through our unwavering dedication to customer service, Slayden is one of the most respected contractors in the Pacific Northwest and northern California, providing our clients with heavy civil and environmental construction services that include industry-leading preconstruction services, quality,  and safety practices. Our projects include water and wastewater treatment facilities, dams, fisheries, renewable energy/hydro, river restoration, and other heavy civil projects.

Recently with Slayden

Slayden is a US regional division of MWH Constructors, which was recently acquired with funds managed by Oaktree Capital Management in partnership with MWHC’s management.

Same Company – Same People

Slayden is the same company, with more resources, and the same dedicated team committed to providing you the highest level of service.

"This is an exciting development for MWH Constructors and our very talented and dedicated employees around the globe,” said Blair Lavoie, Chief Executive Officer and President of MWH. “We have worked hard to grow a world-class portfolio of water and wastewater infrastructure projects. Our partnership with Oaktree will enable us to further improve and expand our services to our customers. With the additional resources of this new partnership, our future is bright.”

Our Services

Preconstruction Services

Planning and Coordination

Procurement

Estimating

Scheduling

Value Engineering

Constructibility

Permitting

 

Construction Services

Project Controls

Subcontractor Outreach

Commissioning and Startup

Electronic O&M Manuals

Project Closeout

Risk Management

Project Management

Design Management

Self-Perform

 

Alternative Delivery Methods

CM/GC

Construction Manager At Risk (CMAR)

Design-Build

Design-Bid-Build

Progressive Design-Build

Flexible Pricing Approaches

Other Services

Community Outreach

Small Business Participation

Core Ideology

Purpose

To build great people, projects, and relationships.

Core Values

People Matter: We look after people unconditionally with character, honesty, and integrity.

Team Unity: We work as a team to exceed expectations while displaying loyalty and commitment.

Solutions Driven: We adjust positively to challenges encountered.

Future Focused: We make decisions with the long term in mind.