According to our records, this business is located at 985 W 18th St. in Costa Mesa (in Orange County), California 92627, the location GPS coordinates are: 33.639184 (latitude), -117.939988 (longitude). G S Mfg is categorized under Pumps and Pumping Equipment Manufacturers (SIC code 3561). Known organization owner is Gary Smith. Current estimates show that the unit has a sales volume of $3,416,000 and staff of approximately 14 people. You can contact the company by phone at (949) 642-1500; the following fax number is also provided: (949) 631-6770. Business website can be accessed at www.gsmfg.com.