Projects Liberty Electric is proud to be celebrating its seventeenth  year anniversary.  We are located in San Mateo who specializes in industrial/commercial, conveyers, high voltage, fire alarm, design build and airport projects. Currently, Liberty Electric is working in conjunction with Hensel Phelps and others to develop and install an open air system for United Airlines. This project will service approximately 137 airports throughout the United States. Other projects in association with Hensel Phelps include: SFO Baggage Right-of-Way System SFIA United Airlines Master Project SFIA United Airlines Building 575 United Airlines SW Mezzanine Renovations 5 Thomas Mellon Circle #206 San Francisco, CA 94134 Phone: (415) 599-4753  FAX: (415) 599-8137