About PEC

Pencore is a Sentinel Company. Sentinel Power Services was founded in 1998 as a breaker repair shop that grew and transitioned in multiple areas including evolving and adding a full-service engineering department that later became Pencore Engineering & Consultants, LLC.

We are licensed in multiple states, with offices in Oklahoma and have PE licensed engineers and staff experience to provide unique skill sets which allows us to provide a best-in-class product and service. We have Certificates of Authorization for Oklahoma, Louisiana, Arkansas, Texas, Kansas and Missouri.

We are licensed in multiple states, with offices in Oklahoma and have PE licensed engineers and staff experience to provide unique skill sets which allows us to provide a best-in-class product and service. We have Certificates of Authorization for Oklahoma, Louisiana, Arkansas, Texas, Kansas and Missouri.