SERVING THE GREATER SILICON VALLEY SINCE 1906
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O.C. McDonald is proud to serve the greater Silicon Valley and Bay Area since 1906. We work with companies and projects of all sizes. You can be assured that your business will be cared for as if it were our own. Just as we have done for well over 100 years!
We are proud to provide numerous services to our clients. From design/build to building maintenance to HVAC installation and service, we really do it all.