2020 — Plastek Industries Inc.
2019 — Intertech Plastics Inc.
2018 — MTD Micro Molding
2017 — Petoskey Plastics Inc.
2016 — Dymotek Corp.
2015 — Evco Plastics
2014 — Stihl Inc.
2013 — Tech Molded Plastics Inc.
2012 — Hoffer Plastics Corp.
2011 — Steinwall Inc.
2010 — Plastikos Inc.
2009 — GW Plastics Inc.
2008 — Plastic Components Inc.
2007 — Innovative Injection Technologies Inc.
2006 — Mack Molding Co.
2005 — U.S. Farathane Corp.
2004 — Miniature Precision Components Inc.
2003 — Unimark Plastics.
2002 — (tie) Tech Group Inc. and Precise Technology Inc.
2001 — Cascade Engineering Inc.
2000 — Tessy Plastics Corp.
1999 — Royal Group Technologies Ltd.
1998 — Courtesy Corp.
1997 — Nypro Inc.
1996 — Bryan Custom Plastics