120 Years of Building Silicon Valley: O.C. McDonald (a Member of SVCA) Marks Major Milestone in Mechanical Contracting
Celebrating 120 Years Building Silicon Valley
OC Mc Donald's Old Fashioned Service Meets Cutting Edge Technology
Apple, Google, Applied Materials and More Have Used OCM for their buildings
SVCA represents high-performing, signatory contractors in the plumbing, pipefitting, HVAC, and sheet metal industries - OC McDonald is an example of our members
While the technology and buildings have changed dramatically, our commitment to quality workmanship and dependable service remains the same.”
SAN JOSE, CA, UNITED STATES, April 1, 2026 /EINPresswire.com/ -- Silicon Valley Contractors Association is proud to announce that one of Silicon Valley’s longest-standing construction firms is celebrating a remarkable milestone. O.C. McDonald Company marks 120 years in business, continuing a legacy of mechanical innovation, technical expertise, and the kind of dependable, “old-fashioned” customer service that has defined the company since its founding in 1906.— Matt McDonald.
Founded in San Jose by Oren Charles McDonald, the company has helped build and maintain many of the region’s most important facilities as Silicon Valley evolved from agricultural orchards into a global center of technology and innovation. O.C. McDonald was responsible for installing San Jose’s first air-conditioning system, a milestone that reflected the company’s early commitment to technical leadership and engineering advancement.
Over the past century, O.C. McDonald has delivered complex mechanical systems for some of the Bay Area’s most recognizable organizations and facilities, including projects serving companies such as Apple, Google, Tesla, and institutions such as Stanford University, healthcare systems, research laboratories, and advanced manufacturing facilities across Northern California.
Today the company provides comprehensive mechanical services including HVAC, plumbing, process piping, building automation, and design-build engineering for commercial, institutional, and technology clients. From highly technical laboratories to hospitals and large campus infrastructure projects, O.C. McDonald continues to be trusted for projects where precision, reliability, and engineering expertise are critical.
Leadership for the company’s next century includes Matt McDonald, representing the fifth generation of family leadership, who continues to guide the organization while preserving its long-standing culture of craftsmanship and accountability. Supporting the company’s strategic growth is Chief Financial Officer Amy Pacheco, whose financial leadership helps ensure the company’s continued stability and expansion in an increasingly complex construction environment.
“Reaching 120 years in business is a reflection of the relationships we have built with our clients, employees, and industry partners,” said McDonald.
Headquartered in San Jose, O.C. McDonald continues to invest in advanced design technologies, highly trained union craft professionals, and long-term client partnerships—ensuring the company remains a trusted mechanical contractor for the next generation of Silicon Valley development.
About O.C. McDonald Company
Founded in 1906 and headquartered in San Jose, California, O.C. McDonald Company is a full-service mechanical contractor providing HVAC, plumbing, process piping, and design-build services to commercial, institutional, healthcare, and technology clients throughout Silicon Valley and Northern California.
About the Silicon Valley Contractors Association
The Silicon Valley Contractors Association (SVCA) represents high-performing, signatory contractors in the plumbing, pipefitting, HVAC, and sheet metal industries across Silicon Valley and Northern California such as OC McDonald in San Jose, CA.
SVCA is built for contractors who want to grow. Members gain access to industry intelligence, job leads, targeted marketing exposure, and strategic business resources designed to increase revenue, reduce costs, and create new opportunities. The association actively promotes its members to owners, developers, and general contractors - helping them win work and strengthen their market position.
Contractors looking to elevate their business, expand their reach, and align with a network of established, union signatory firms are encouraged to learn more at svca-ca.com.
Susan Nichol
SVCA
+1 408-727-5887
susan@svca-ca.com
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