According to our records, this business is located at 4703 Tidewater Ave # B in Oakland (in Alameda County), California 94601, the location GPS coordinates are: 37.7626686 (latitude), -122.2212483 (longitude). PSI is categorized under HVAC Engineering (SIC code 8711). Known organization manager is Robert White. Current estimates show that the unit has a sales volume of $1,738,000 and staff of approximately 11 people. You can contact the company by phone at (510) 434-9200; the following fax number is also provided: (510) 434-7676. Business website can be accessed at www.psiusa.com.