Injection Molding Companies in the USA

21st Century Plastics Corp.

Potterville, Michigan

21st Century Plastics Corporation operates from Potterville, Michigan, where it was founded in 1997. The business transitioned to 100% employee ownership in 2010 under an Employee Stock Ownership Plan.

3D Plastics Inc

Newberg, Oregon41 employees

3D Plastics Inc. operates from Newberg, Oregon, where it was founded in 2007 as a family-owned plastic injection molding company.

ADCO International Plastics

Marietta, Georgia

ADCO Plastics Corporation, based in Marietta, Georgia, has been producing custom injection molded assemblies and parts since its founding in 1974. The company runs 22 injection molding machines with clamping forces from 55 to 750 tons, capable of molding parts weighing 2 to 64 ounces.

AIM Processing

Longmont, Colorado

AIM Processing was founded in 1993 in Longmont, Colorado, by a toolmaker and a plastics processor who started with two presses. The company initially handled overflow and complex projects for other molders, building a reputation for difficult small-part work.

ASH Industries

Lafayette, Louisiana

ASH Industries is headquartered in Lafayette, Louisiana, where it was founded in 1991 by Hartie and Kim Spence. What began as a two-person operation with a single machine has grown into a US-owned, family-led business that has employed American workers for over 35 years.

Advanced Plastiform, Inc.

Zebulon, North Carolina

Advanced Plastiform, Inc. was founded in 1988 and operates from a 160,000‑square‑foot campus in Zebulon, North Carolina.

Agapé Plastics, Inc.

Walker, Michigan230 employees

Agapé Plastics, Inc. is headquartered in Walker, Michigan.

Alliance Precision Plastics

Rochester, New York

Founded in 1947 in Rochester, New York, as a tooling and stamping die supplier, Alliance Precision Plastics has evolved into a contract manufacturer with a second facility in Spindale, North Carolina. The company operates over 242,500 square feet of manufacturing space across both locations.

American Plastic Molding Corporation

Scottsburg, Indiana120 employees

American Plastic Molding Corporation (APM) is based in Scottsburg, Indiana. It began as a basic injection molder and over five decades expanded into a full-service manufacturing and product development organization.

Aroplax Corporation

Monticello, Minnesota

Founded in 1943 in Monticello, Minnesota, Aroplax began by machining components for the WWII effort. The company transitioned to thermoset mold tooling and adopted thermoplastic injection molding by 1954.

Artemis Plastics

Ocala, Florida

Artemis Plastics operates from Ocala, Florida, where it was established in 2014 after Apollo Renal Therapeutics acquired an existing plastic injection molding plant. The business runs as a contract manufacturer focused on injection-molded plastic components and is led by CEO Gary Mishkin.

Atlas Precision Inc

Arden, North Carolina

Atlas Precision Inc. traces its roots to April 1979, when Johann W.

Available Plastics Inc

Huntsville, Alabama

Available Plastics, Inc. was founded in 1978 in Huntsville, Alabama.

Ayanna Plastics & Engineering, Inc.

Clearwater, Florida

Ayanna Plastics & Engineering, Inc. was founded in 2001 in Clearwater, Florida.

Barku Plastics

Cleveland, Tennessee

Barku Plastics operates from Cleveland, Tennessee. The company traces its roots to 1977 when Egon Schumacher founded it as a subsidiary of LUBING Maschinenfabrik GmbH in Germany.

Barrett Plastics

Harrison, Arkansas

Barrett Plastics, LLC operates from Harrison, Arkansas, in the northwest corner of the state. The company was founded in 2024 and focuses on plastic injection molding, offering both proprietary and custom molding services.

Blue Ridge Industries

Winchester, Virginia

Blue Ridge Industries was founded in 1985 in Winchester, Virginia, as a small custom injection molder. The company has grown from its origins into a full-service contract manufacturer operating around the clock from its Virginia facility.

C & S Plastics LLC

Fayetteville, Tennessee

C & S Plastics LLC operates from a 150,000-square-foot facility in Fayetteville, Tennessee, with an additional 20,000-square-foot outdoor storage pad. The company was founded in 2003 and has since focused on plastic injection molding for the automotive sector.

C&K PlasticsThermoforming Georgia

Conyers, Georgia

Founded in 1963 in Conyers, Georgia, C+K Plastics by Georgia Thermoforming operates a 95,000-square-foot manufacturing facility east of Atlanta. A second plant in Metuchen, New Jersey mirrors the equipment and capabilities, allowing tooling to move between sites for added capacity and freight savings.

C-K Plastics, Inc.

St. Louis, Missouri

C-K Plastics operates from St. Louis, Missouri, where it was founded in 1978.

CUE of Wv America-Beckley

Mt Hope, West Virginia100 employees

C.U.E., Inc. is headquartered in Mt Hope, West Virginia.

Caroba Plastics Inc

Englewood, Colorado

Caroba Plastics Inc is headquartered in Englewood, Colorado, in the Denver metropolitan area. The company was founded in 1983 by Barry Hart as a small, family-owned operation with two injection molding machines and a vision to provide high-quality plastic parts.

Cavist

Reno, Nevada35+ employees

Cavist was incorporated in Reno, Nevada, in 1998 by Danish-born founders Kurt Carlson and Reimer Hansen to bring European low-pressure molding technology to the United States. The company began as an equipment developer, introducing the MoldMan line of low-pressure molding machines, before launching a contract manufacturing division in 2008.

Central Carolina Plastics Inc

Burlington, North Carolina

Central Carolina Products, Inc. was founded in 1993 in Burlington, North Carolina.

ClickFold Plastics

Charlotte, North Carolina

ClickFold Plastics was founded in 2001 in Charlotte, North Carolina, to address a gap in the market for custom plastic enclosures and parts in smaller volumes. The company operates from a facility on the North Carolina–South Carolina border near Charlotte Douglas International Airport, providing convenient logistics for domestic and cross-border shipments.