Navistar's Stumpp, Jost's Carroll Receive Silver Spark Plug Honors

Lou Stummp
Lou Stummp (center) with Doug White, Troy Clarke

NASHVILLE, Tenn. — American Trucking Associations’ Technology & Maintenance Council honored two industry professionals with its highest honor — the Silver Spark Plug — at TMC's annual meeting.

This year’s honorees are Lou Stumpp, national account manager of fleet services for Navistar, and Rich Carroll, vice president of sales and marketing at Jost International.

“For more than six decades, TMC has striven to advance the professional standards for commercial vehicle maintenance,” TMC Executive Director Carl Kirk said. “The technicians and executives we honor here are doing that every day — and they all set the bar for excellence in this industry every day.”

Carroll (right) with Doug White by John Sommers II for TT

Other honorees at this year’s TMC annual meeting were:



  • Jeff Spitzner, senior account manager, Eaton, who was honored with the Study Group Secretary Award.
  • Don VanFleet, area service leader, Swift Transportation, and Benjamin Steines, service manager, Ruan Transportation Management Systems, who were honored with the Excellence in Maintenance Supervision Award.
  • Marty Martinelli, national accounts sales manager, Old World Industries, and Jill Gingrich, director of client support, Wheeltime, who were honored as Recognized Associates.
  • Jim LeClaire, president of Old Bull Inc., who was honored with TMC’s first Uncle Darrell TMC Mentor Award.

In addition, TMC also recognized the winning schools of the 2016 TMCFutureTech Student Technicians Competition, presented by Velociti. Those schools were Francis Tuttle Technology Center in Oklahoma City, Forsyth Technical Community College of Winston-Salem, N.C., and Utah Valley University in Orem, Utah.