SALES

Julie Guetzke
Director of Sales

Nate Patterson 
Technical Estimating Associate

Michelle Mathieu
Sales Coordinator

Kathy O’Leary
Estimating Data Coordinator

Naomi Oskey
Estimator

Amanda Grothman
Estimator

Isaiah Merriweather
Estimator

OPERATIONS

Mark W. Flanagan
Director of Field Operations

Althea Erfourth 
Operations Coordinator

Pete Archambeau 
Material Coordinator

Todd Wilde
Renovations Manager

ENGINEERING

Tim Staats 
Director of Engineering

Eric Dahm
Project Manager

Curtis Groeschel
Project Manager

Ryan Navis
Project Manager

Jeff Pfluger
Project Manager

Jason Sprague
Project Manager

PRODUCTION ENGINEERING

Jeff Parmann
Production Eng. Manager

Jamie Imbery
Assist. Production Eng. Manager

Jarrod Lehnerz
Production Eng. Programmer

Shadrick Para
Assist. Production Engineer

Todd Schuman
Production Engineer

Correy Markowski
CNC Programmer

ACCOUNTING

Claude Keshemberg
Vice President / CFO

Kimberly Otworth 
Contract Administrator

Bob Huebner
Billing

Cathy Molitor
Senior Accounting Clerk

Lisa Marsh
Contract Coordinator

PURCHASING

Dan Stiller
Purchasing Manager

Mary Schotts 
Purchasing Assistant

FABRICATION

Pat Stoiber
Plant Superintendent

SHIPPING/RECEIVING

Pat Stoiber

HUMAN RESOURCES

Ann Willman 
Human Resources Manager