- Special Sections
USG announced the retirement of John Campbell, Quality Technician, after 30 years of dedicated service. John selected a laptop computer as his retirement gift. The employees of the Sweetwater Plant would like to thank John for his years of dedicated service, his personal commitment to safety and for his impact on the outstanding achievements of the plant over the years. Shown is John Campbell (right) accepting his retirement plaque from Plant Manager, Buck Cason.