Top 11 Injection Molding Manufacturers in Oklahoma 2026

Gavco Plastics Inc

Broken Arrow, Oklahoma7 employees

Gavco Plastics, Inc. operates from Broken Arrow, Oklahoma, about five miles east of Tulsa.

KT Plastics, Inc

Calera, Oklahoma

KT Plastics, Inc. was established in January 1989 in Calera, Oklahoma, as a compression molding business with a full-service machine shop.

Keco Inc

Oklahoma City, Oklahoma

Keco Inc was founded in 1963 by the Keister brothers as an injection molding shop in Oklahoma City, Oklahoma. Chris White joined the company as an engineer in 1994, became general manager in 2000, and purchased the business in 2004; he remains owner and president.

Molded Products Inc

Broken Arrow, Oklahoma

Molded Products Inc was founded in 1986 in Broken Arrow, Oklahoma, initially supplying rubber molded goods to the automotive aftermarket. The company began as a focused rubber molding operation and has since expanded its capabilities.

RL Hudson

Broken Arrow, Oklahoma

RL Hudson was founded in 1980 in Tulsa, Oklahoma, as a distributor of rubber O-rings to the regional oil industry. The company expanded nationally by 1985, added an in-house engineering department in 1991, and began manufacturing mandrel-formed hoses in 1996.

Aco Inc

Oklahoma City, Oklahoma

ACO, Inc. operates from a 90,000-square-foot facility in Oklahoma City, Oklahoma.

OMG Tooling Inc

Oklahoma City, Oklahoma

OMG Tooling Inc. was founded in 1980 by Oliver Marino Gerardi in Oklahoma City, Oklahoma.

The company began operations in February 2005, founded to provide custom injection molding services; no individual founders or ownership structure are disclosed in public materials. The production floor houses seven injection molding machines with clamping forces from 45 to 760 tons, complemented by an in-house tooling and engineering department that uses modern design software for mold design, manufacturing, and engineering modifications.

True Position Plastics, LLC is based in Duncan, Oklahoma. The company was founded by Justin Church, a tooling and mold design expert with over 25 years of hands-on experience in the plastics industry.

Custom Molding Services was founded in the early 1970s in Bartlesville, Oklahoma, by Bill and Cathie Johnson. The family-owned company began as a manufacturer of thermoformed plastic components and remains under Johnson family ownership today.