Established in 1984 Professional Computer Maintenance has stood the test of time in helping people like you make the implementation and use of technology work for your business.

Amazon Cloud Computing 

Microsoft Server Operating Systems

Microsoft Exchange

Sonicwall VPNs and Firewalls

NEC Servers

Intel Servers


Red Hat Linux 

SCO Operating Systems

Call us at 909-594-5930 for your FREE service assessment today!

Email Solutions 

Cloud Computing

Servers and Security

"We have been working with PCM for more than 15 years and consider their support and service a crucial part of our business.  Their people are knowledgeable, professional, and always there when you need them.  Their insight into technical changes helps us to stay ahead of our competitors."

Don't Stress.  PCM Can Help. 

1. Responsive 

2. Approachable

3. Experts

"The professionals at PCM have made me a believer that it is possible to have a strong, stable, business IT network.  Bottom line is that I sleep well at night and am able to focus on growing my business."

Mission critical IT support Since 1984.

" I don't write many testimonials but the staff at PCM is a pleasure to work with and deliver the results promised."