Our vision is to become the preferred mechanical contractor in the Bay Area.
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 300 employees. Over the years, we’ve built a business based on quality craftsmanship, lasting relationships, and a family-oriented culture.
Western Allied turned 60 years old in 2021.
Strategic Branding Update
Western Allied launches a significant re-branding initiative, with emphasis on invigorated brand positioning, a re-freshed logo and new website.
New Plumbing Division
Western Allied adds to our service offerings by introducing a plumbing division within the construction department.
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.
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.
Sheet Metal and Pipe Shop Expansion
Western Allied acquires an additional facility for sheet metal and pipe shops, providing necessary space for continued growth.
50 Year Anniversary
Western Allied celebrates 50 years in the industry.
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.
WAM expands its Menlo Park campus to meet business demand in Northern California.
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.
Business Moves to New Location
Western Allied moves to current location in Menlo Park, California.
Northern California Expansion
Western Allied opens an office in Belmont, California.
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.