The STC honors its member companies who have achieved 5, 10 and 15 year membership milestones in 2019:
15 Years of STC Membership (joined in 2004):
- A-Turf, Inc.
- Brock USA LLC / Brock International LLC
- The Motz Corporation
10 Years of STC Membership (joined in 2009):
- CoverMaster Inc.
- Entech, Inc.
- Kaw Valley Companies, Inc.
- Sportworks Field Design/The Kleingers Group, Inc.
- Stauf USA, LLC
- TPK Inc.
5 Years of STC Membership (joined in 2014):
- Architerra, PC
- Bamforth Engineers + Surveyors, Inc.
- Eco Chemical Inc. - TempLine
- Ecore International
- Holcombe Norton Partners, Inc.
- The Reynolds Company
- Schmidt Associates, Inc.
- Sports Turf Care, LLC
- TURFIX, LLC
- TURF-N THE WORLD, INC.
- Eric Peterson, NYC Parks & Rec
- John Sorochan, University of TN
- Greg Vernon, Jeffco Public Schools