Mark Jones, Steve Guthrie, Mel Kurpinski and Ken Bashear.

Mark Jones

Topcon Positioning Systems named Mark Jones as construction sales manager for the northeast region.

Steve Guthrie

Wind-lock has hired Steve Guthrie to manage the company’s western territory.

Mel Kurpinski and Ken Bashear

Plastic Components has named Mel Kurpinski architectural representative for Florida. The company also has hired Ken Bashear as Central Florida territory manager.