Sentinel Power Services, Inc. was founded in December 1998 as a breaker repair shop for industrial clients in the greater Tulsa, Oklahoma area. In 2002 Sentinel transitioned to being a solutions provider by expanding its capabilities to include electrical equipment testing, commissioning, and troubleshooting, as well as large motor expertise. Sentinel continued to evolve by adding full-service engineering capabilities. Sentinel was acquired by TechPro Power Group in 2022 not only expanding geographical reach, but service and engineering capabilities. The skilled and experienced engineers and technicians at Sentinel serve a wide variety of clients. They provide a solid knowledge base of electrical design and power system preventative maintenance to help improve system reliability and safety. Sentinel is a member of the NFPA, accredited by NETA , and is a registered professional engineering firm in multiple states.