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Western Allied Mechanical

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Where Experience Meets Vision

Ever since our humble beginnings in 1961, our focus has always been on sustained growth and innovation. What began in one building with a few dozen team members has flourished to a large campus with over 200 employees. Over the years, we’ve built a business based on quality craftsmanship, lasting relationships, and a family-oriented culture.

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Our strength has always been our relationships with clients. We’re highly responsive…if they need something from us, we take care of it. Our people have always made us truly unique.

Angie Simon, CEO
Milestones
  • 2019

    Strategic Branding Update

    Western Allied launches a significant re-branding initiative, with emphasis on invigorated brand positioning, a re-freshed logo and new website.

  • 2018

    New Plumbing Division

    Western Allied adds to our service offerings by introducing a plumbing division within the construction department.

  • 2016

    WAM Joins Synergy Solution Group

    The company joins an esteemed nationwide peer group of over 40 leading mechanical service contractors, expanding our reach within the industry.

  • 2015

    KoolDuct and ThermaDuct Certifications

    WAM is the first mechanical contractor in the Bay Area to be trained in the manufacturing and installation of KoolDuct and ThermaDuct systems.

  • 2013

    Sheet Metal and Pipe Shop Expansion

    Western Allied acquires an additional facility for sheet metal and pipe shops, providing necessary space for continued growth.

  • 2010

    50 Year Anniversary

    Western Allied celebrates 50 years in the industry.

  • 2009

    WAM Joins National Peer Group

    Western Allied becomes a member of one of the oldest and finest peer groups in the SMACNA organization. SMACNA is one of our industry’s premier trade associations.

  • 2009

    WAM Expansion

    WAM expands its Menlo Park campus to meet business demand in Northern California.

  • 2003

    Western Allied Mechanical, Inc. is Born

    Company owners decide to reorganize the business into northern and southern divisions. A new company, Western Allied Mechanical, is formed to operate in Northern California.

  • 1977

    Business Moves to New Location

    Western Allied moves to current location in Menlo Park, California.

  • 1972

    Northern California Expansion

    Western Allied opens an office in Belmont, California.

  • 1961

    Western Allied Corporation is Founded

    Western Allied is founded as an HVAC contractor by Pat Mattson, Hans Sommer and Harold Waterman in Santa Fe Springs, California.