Since 1991, CPSI, the Pacific Northwest’s largest independent electrical contractor specializing in critical power systems, has been providing preventive maintenance, 24/7 emergency service, consulting and uninterruptible power system equipment sales and rentals. CPSI specializes in critical power system design, sales, installation and service. CPSI's expertise includes every component of critical power systems, uninterruptible power supplies (UPS), power distribution (PDU), transfer switches, battery and flywheel backup, and environmental regulation compliance equipment. We represent best-in-class components from manufacturers including: Toshiba, Mitsubishi, Powerware, Cyberex, Cellwatch and Enviroguard. CPSI is a licensed electrical contractor employing trained and experienced technical staff. Our employees have been with our company for an average of seven years. This benefits our customers as we are able to provide continuity of service. In most cases, the same technician that has serviced your critical power systems for the last several years is the same technician that will continue to service your needs for years to come. Our customers and employees stay with CPSI, year after year, because we are a great company to work with and to work for. Service * Sales and Installation of Critical Power Equipment * Uninterruptible Power Supplies (UPS) * Power Distribution Units (PDU) * Generators * Power Quality * Specialty Electrical Contractor * licensed and bonded in Washington State * Critical Power Engineering