At its inception in 1975, FEE was the First Independent UPS maintenance and engineering organization. Since then, we have set ... the primary example for customer satisfaction in design, installation, and service of critical power applications. Today we are 1 of nation's Largest Third Party, critical power specialists. As a Woman-Owned Business, FEE has provided power protection services such as "Total Turn-Key" Design, Engineering, Sale, Installation, and Maintenance Services on Critical Power Systems (UPS, Batteries, ATS, Emergency Back-up Generators, 48VDC Power Plants, etc.) for Data Centers Nationwide. Our Corporate headquarters in Rancho Santa Margarita, CA is the center of our nationwide organization along with our warehouses loaded with equipment and spare parts located nationally across the United States. read more