Specializing in, but not limited to, SVG/Thermco diffusion furnaces using TMX 9K/10K/12K/Semy controllers.
· Experienced staff
· Superior quality of work
· Support after start-up
· Like to be challenged
· Emergency response for parts, repairs, support
· Custom-designed solutions, products
· Hourly rates below competitors
John Ryburn Services, Inc. has been chosen by Tetreon Technologies as the authorized U.S. parts distributor and service organization for Thermco TMX systems. We also provide training, upgrades, and circuit board repairs on Thermco TMX horizontal furnaces.

JRS also provides service, training and board repair for the SEMY Mypro controller.