Top 6 Injection Molding Manufacturers in Kentucky 2026

HB Molding was founded in 1998 on the south side of Louisville before relocating to a 78,000-square-foot facility in Jeffersontown, Kentucky, on the city's east side with direct access to major north-south interstates. The company is owned by Mark Hallam and began as a custom injection molder focused on quick reaction to customer demands.

Jones Plastic & Engineering was founded in 1961 in Louisville, Kentucky, by Harry and Larry Jones as a single-machine operation producing whiskey bottle caps. The family-owned business, now headed by the second and third generations of the Jones family, is based in Jeffersontown, Kentucky, and operates nine facilities across the United States and Mexico.

Liberty Plastics Molding Corporation Inc.

Bellevue, Kentucky

Liberty Plastics Molding Corporation Inc. is a family-owned injection molding and mold building company based in Bellevue, Kentucky.

LexPlastics, Inc. operates from Lexington, Kentucky, with easy access to interstate highways and major truck lines.

Molding Technologies LLC, doing business as Persistent Molding Technologies, operates from Versailles, Kentucky. The company manufactures continuous-thread (CT) plastic caps in a range of standard sizes—including 20-410, 24-410, 28-410, and larger 89-400 configurations—and offers them in colors such as black, white, red, blue, and yellow.

Plastic Products Co. is headquartered in Greenville, Kentucky.