- "The Kontorr Flow Meter-A New Choice in Flow Measurement". by John Hadjioannou P.E. Director -EPI MTG and Mike Baugh Director of Measurement - ETS
- An Industry Upturn with a Downside: Talent Needs Still Loom Large by Greg McCormack
- Paper, Books and Patents Authored, Co-Authored and/or Co-Invented by Gregg S. Perkin, P.E.