Sterling Boiler & Mechanical, Inc.

John M. Vinitski (President), Ken Wahl (CFO), Lee Fehrenbacher (Project Estimating Manager), Brian Dempsey (Lead Mechanical Estimator)

Ritzert Company, Inc.

Roy K. Ritzert (President), Tim E. Ritzert, E.I. (Vice President of Operations), Nicholas A. Ritzert, Vice President of Construction