Our Clients

3290 East Guasti Rd. Ste. 110|Ontario, CA 91761|909.981.6331

Live Hands-On Microsoft Office Computer Training in Ontario, California

California Computer Schools offers individual and corporate computer training ranging from introductory to advanced levels of Microsoft Office Suite which includes Word, Excel, PowerPoint and Outlook to name a few. At only $145 a class and having been in the business for over 30 years, we are the most affordable and most knowledgeable computer training school in the Inland Empire, Los Angeles & Orange County area of Southern California. We offer small class sizes, on-site corporate training, consulting and custom private instruction to those who are looking for something outside our standard curriculum.
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Schedule at a Glance



PowerPoint Essentials



Workshop Ifs Vlookups



Workshop Pivots



Excel Intermediate



Windows Essentials



Word Essentials

Our Clients

Here is a partial list of the corporations we have served:

  • Crosswalk Fellowship
  • AMS Paving, Inc.
  • Big Bear City Community Services District
  • Consolidated Container Company
  • California Correctional Peace Officers Association
  • City of Azusa
  • Chaffey Joint Union High School District
  • Clement Pappas & Co., Inc.
  • Claremont University Consortium
  • Credit Union Direct Lending
  • Desert Electric Supply
  • Excel Scientific
  • Expo Power
  • Fairplex
  • Falken Tires
  • Hansens Beverages
  • HartmanBaldwin Design
  • HdL Companies
  • Harvey Mudd College
  • Homeplace Insurance
  • Jacob Law Group
  • Langwasser and Company, CPAs
  • Los Angeles World Airports
  • LGS Drug and Alcohol Testing
  • LIGO - Laser Interferometer Gravitational Wave Observatory CALTECH
  • MIJAC Alarms
  • Millennium 2000 Financial Inc
  • NMC Aerospace - Esterline
  • Paradise Escrow
  • Phelan Pinion Hills Community Services District
  • Pomona Valley Hospital Medical Center
  • Ralph's
  • San Antonio Community Hospital
  • San Antonio Water Company
  • TRL Systems, Inc.
  • Three Valleys Municipal Water District
  • Upland PD
  • Visiting Nurses Southern Cal
  • Stater Bros.
  • Circle K
  • City of Hope
  • City of Chino Hills
  • City of San Dimas
  • Savage BMW