Meet our Leadership Team

Meet The Leadership Team That Gets It Done Right

Gregory Finkle

Greg Finkle, P.E.


Greg started Trinity Subsurface Engineering, LLC after serving 10 years in the private utility locating industry. Greg has a passion for solving complex problems for our clients.

Sean Warner, Operations Manager

Sean Warner

Operations Manager

Sean has over 7 Years of private utility locating experience on commercial and industrial sites that includes ground penetrating radar, video pipe inspection, and concrete scanning.


P.J. Cossman

Territory Manager

P.J. is the regional manager for our Northern PA regional area and has over 8 years of ground penetrating radar, concrete imaging radar, and video pipe inspection experience.


Brian Holder

Director of Communications

Brian Holder is the Director of Communications and over sees our Marketing and IT departments. He also offers over 20 years of utility locating and GPR experience.

Who Is Trinity Subsurface Engineering?

Trinity Subsurface Engineering, LLC is a company that solves complex problems our clients encounter with underground utility systems. Much like the State Run Call 811 Programs, we locate underground utilities with a variety of surface geophysical equipment including electromagnetics, ground penetrating radar, and acoustics. Our clients rely on Trinity Subsurface Engineering to deliver accurate, timely, and quality utility data in the form of field markings, utility maps, and utility data collection.

Underground Utility Locating Company