Permian Plastics

Permian Plastics

Custom plastic injection molding for industries

Overview

Permian Plastics, LLC offers custom plastic injection molding from its St. Louis facility, serving healthcare, biotechnology, electronics and telecommunications, consumer and industrial products, and optical systems. It works by selecting suitable polymers, designing and building steel molds, and injecting molten plastic into those molds, followed by cooling, part ejection, finishing, and rigorous quality checks. The company differentiates itself with a broad range of polymer technologies, including glass-reinforced polycarbonate, and by providing fully integrated tooling, molding, and quality control across multiple industries. Its goal is to partner with customers to deliver consistent quality, performance, and value through material-informed, end-to-end injection molding solutions.

About Permian Plastics

Simplify's Rating
Why Permian Plastics is rated
C+
Rated C on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Industrial & Manufacturing

Healthcare

Company Size

11-50

Company Stage

N/A

Total Funding

N/A

Headquarters

O'Fallon, Missouri

Founded

1994

Get referred to Permian Plastics

See people who can refer or advise you

Simplify Jobs

Simplify's Take

What believers are saying

  • Permian Plastics is still hiring in August 2026 for technicians, inspectors, and operators.
  • Its website updated August 23, 2026, shows ongoing commercial activity and sales continuity.
  • LO3 Capital financed NewCo's 2024 acquisition, signaling capital support for equipment and integration.

What critics are saying

  • Permian Plastics has only three active jobs listed on Paylocity in September 2026.
  • Its O'Fallon, Missouri footprint concentrates execution risk in one location.
  • White Wolf's platform strategy can bury Permian's brand and autonomy by 2027.

What makes Permian Plastics unique

  • Permian Plastics sells precision injection molding plus automation from its O'Fallon facility.
  • It serves healthcare, biotechnology, electronics, telecommunications, consumer, industrial, and optical systems customers.
  • White Wolf's 2024 NewCo acquisition groups Permian with Magenta and MM Plastics.

Help us improve and share your feedback! Did you find this helpful?

Company News

Plastics News
May 16th, 2024
NewCo Plastics adds to platform with Magenta acquisition

NewCo Plastics, a unit of private equity firm White Wolf Capital, has acquired Lockport, Ill.-based injection molder and mold maker Magenta LLC and its affiliates, Permian Plastics LLC and MM Plastics LLC.

Recently Posted Jobs

Sign up to get curated job recommendations

Permian Plastics is Hiring for 2 Jobs on Simplify!

Find jobs on Simplify and start your career today

Don't see your dream role? Check out thousands of other roles on Simplify. Browse all jobs →