Engineers

Jack I. Eisenbach, P.E.

President/CEO
jeisenbach@erengpc.com

Mark P. Ruhnke, P.E.

Vice President
mruhnke@erengpc.com

Brett Saunders

Mechanical Engineer
bsaunders@erengpc.com

Matt Smith

Mechanical Engineer
msmith@erengpc.com

Project Managers

Angela Correll

Senior Project Manager
acorrell@erengpc.com

Larry Kinne

Manager of Environmental Services, Training Instructor
lkinne@erengpc.com

John Jouben

Mechanical Design Engineer
jjouben@erengpc.com

Adminstration / Clerical

Sandra Dievendorf

Administrative Assistant
SDievendorf@erengpc.com

Bookkeeper
accounting@erengpc.com