GPD Consulting Engineers

GPD, PC has been providing Consulting Engineering services across the West for over 50 years, formerly as Drapes Engineering, and then Gordon-Prill-Drapes Inc. Our main office has always been located in Great Falls, Montana, where we continually focus on the vision of quality upon which our company was founded.

Our Core Approach

Provide the very best Engineering Services with the highest quality workmanship, while continually focusing on training and retaining our experienced staff.

Our Team

Our company consists of 12 Engineers (8 Mechanical, 4 Electrical), 10 of which are Licensed Professional Engineers registered in various Western States. Additionally, we have an office manager and Electrical Draftsman.

We pride ourselves in our 240+ years of combined company engineering experience and the value it provides to our clients.

Daniel 'Bucky' Kempa, PE, LEED AP

Principal Electrical Engineer

Dave Broquist, PE

Principal Mechanical Engineer

John Kauffman

Project Manager, Senior Electrical Designer

Tom Slater, PE, LEED AP

Senior Mechanical Engineer

Tony May, PE

Senior Mechanical Engineer

Carl Thrasher, PE

Senior Mechanical Engineer

James Taylor, PE

Senior Mechanical Engineer

Mike Bender, PE

Senior Mechanical Engineer

James Wyatt, PE

Senior Mechanical Engineer, Project Manager

Brad Kauffman, PE, LEED AP

Senior Electrical Engineer

Nathan Kliensasser, EI

Electrical Engineer

Pat Mellinger, EI

Mechanical Engineer

Amanda Anderson

Office Manager