Portfolio
SERVING THE GREATER SILICON VALLEY SINCE 1906
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Ready to Start Your Project?
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!
Business
Connection
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.
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The Sequoias–Portola Valley
![](https://ocmcdonald.com/wp-content/uploads/2019/10/View-from-Spanish-Bay-1030x764-300x223.jpg)
The Inn at Spanish Bay Resort
![](https://ocmcdonald.com/wp-content/uploads/2019/10/home_hero_blue_kiosk-300x209.png)
Tesla Factory
![](https://ocmcdonald.com/wp-content/uploads/2019/12/NASA_moffett_field_hangar_one-300x222.jpg)
NASA
![](https://ocmcdonald.com/wp-content/uploads/2019/12/apple-300x214.jpg)
Apple – Newark Data Facility
![](https://ocmcdonald.com/wp-content/uploads/2019/12/lockheed_martin2-300x222.jpg)
Lockheed Martin
![](https://ocmcdonald.com/wp-content/uploads/2019/12/The_Google-Plex-300x222.jpg)
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Intel
![](https://ocmcdonald.com/wp-content/uploads/2019/12/hospitalmonterey-300x214.jpg)
Community Hospital of the Monterey Peninsula
![](https://ocmcdonald.com/wp-content/uploads/2019/12/sanjoseservce-300x215.jpg)
San Jose Central Service Yard
![](https://ocmcdonald.com/wp-content/uploads/2019/12/happyhollow-300x214.jpg)
Happy Hollow Zoo
![](https://ocmcdonald.com/wp-content/uploads/2019/12/Linear-Technology-300x214.jpg)
Linear Tech
![](https://ocmcdonald.com/wp-content/uploads/2019/12/appliedmaterials-300x200.jpg)
Applied Materials
![](https://ocmcdonald.com/wp-content/uploads/2019/12/SCVMC-300x222.jpg)
Santa Clara Valley Medical Center (SCVMC)
![](https://ocmcdonald.com/wp-content/uploads/2019/12/sanjosebiocube1-300x214.jpg)
San Jose BioCenter
![](https://ocmcdonald.com/wp-content/uploads/2019/12/sanjosestate-300x214.jpg)
San Jose State University
![](https://ocmcdonald.com/wp-content/uploads/2019/12/SLAC-stanford-linear-accelerator-300x222.jpg)
Stanford Linear Accelerator Center
![](https://ocmcdonald.com/wp-content/uploads/2019/12/LucillePackard-300x214.jpg)
Lucille Packard Children’s Hospital
![](https://ocmcdonald.com/wp-content/uploads/2019/12/mills-peninsula-300x214.jpg)
Mills Peninsula
![](https://ocmcdonald.com/wp-content/uploads/2019/10/wwrc-300x214.jpg)
Watsonville Water Resource Center
![](https://ocmcdonald.com/wp-content/uploads/2019/12/bigstock-Technician-inspecting-heating-109558349-300x200.jpg)
How big of a deal is data center cooling?
![](https://ocmcdonald.com/wp-content/uploads/2019/12/OCMcDonald8-300x188.jpg)
How does LEED certification serve the environment?
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Are LED bulbs energy efficient?
![](https://ocmcdonald.com/wp-content/uploads/2019/12/bigstock-Repairing-Industrial-Air-Condi-4776288-300x200.jpg)