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 Louisiana, 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.