Insights

Customization Focus Seiler Plastics positions itself as a partner that manufactures custom plastic parts rather than selling predefined products, indicating strong cross-selling potential with customers needing bespoke extrusion and molding solutions for prototypes, small runs, and scalable production.

Growth via Acquisition Recent acquisition of Central States Products expands its product lineup to sheet extrusion, signaling capacity to upsell customers requiring integrated sheet, tubing, and profiles, and offering opportunities to cross-sell complementary plastic solutions.

Operational Expansion New equipment additions funded by client projects (extruder and grinder) suggest ongoing facility upgrades and capacity growth, presenting sales openings for tooling, maintenance services, and longer-term contracts to support expanded production.

Small to Large Runs Ability to service both small quantities and large quantities positions Seiler as a flexible supplier for startups and scale-ups, enabling targeted outreach to companies transitioning from prototyping to full-scale manufacturing.

Industry Positioning Modest revenue band with a diversified capability profile places Seiler as a potential vendor for companies seeking agile, domestic plastic extrusion and injection molding partners, especially for custom parts with rapid lead times.

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Seiler Plastics Tech Stack

Seiler Plastics uses 8 technology products and services including Crazy Egg, Linkedin Insight Tag, Snowplow, and more. Explore Seiler Plastics's tech stack below.

Seiler Plastics's Email Address Formats

Seiler Plastics uses at least 3 email formats:
Seiler Plastics Email FormatsExamplePercentage
First@seilerpc.comJohn@seilerpc.com
41%
First.Last@seilerpc.comJohn.Doe@seilerpc.com
35%
FLast@seilerpc.comJDoe@seilerpc.com
24%

Frequently Asked Questions

What is Seiler Plastics's phone number?

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You can contact Seiler Plastics's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Seiler Plastics's official website and social media links?

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Seiler Plastics's official website is seilerpc.com and has social profiles on LinkedIn.

How much revenue does Seiler Plastics generate?

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As of October 2026, Seiler Plastics's annual revenue is estimated to be $1M - $10M.

What is Seiler Plastics's NAICS code?

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Seiler Plastics's NAICS code is 3261 - Plastics Product Manufacturing.

How many employees does Seiler Plastics have currently?

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As of October 2026, Seiler Plastics has approximately 14 employees across 1 continents, including North America. Key team members include Injection Molding Manager: D. F., Sales And Marketing Manager: S. C. and Office Manager: T. R. Explore Seiler Plastics's employee directory with LeadIQ.

What industry does Seiler Plastics belong to?

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Seiler Plastics operates in the Plastics Manufacturing industry.

What technology does Seiler Plastics use?

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Seiler Plastics's tech stack includes Crazy Egg, Linkedin Insight Tag, Snowplow, iCIMS, Duda, Microsoft 365, Constant Contact and Piwik PRO Core.

What is Seiler Plastics's email format?

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Seiler Plastics's email format typically follows the pattern of First@seilerpc.com. Find more Seiler Plastics email formats with LeadIQ.

When was Seiler Plastics founded?

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Seiler Plastics was founded in 1971.
Seiler Plastics logo

Seiler Plastics

Plastics ManufacturingMissouri, United States11-50 Employees

Seiler Plastics is a plastics manufacturing company that specializes in custom extrusion and injection molding. Its capabilities include extruding tubing, profiles, and sheet, with an emphasis on serving customers across a range of quantities, from small to large runs. The firm does not focus on a fixed product line, instead concentrating on producing custom plastic parts to meet specific customer solutions. Based in St. Louis, Missouri, Seiler Plastics operates within the plastics manufacturing industry and positions itself as a partner capable of delivering tailored extrusion and molding parts for diverse applications. A notable development in its recent activity is the acquisition of Central States Products Co., which broadens its product lineup within the region. The company serves a market that seeks flexible manufacturing for custom plastic components and aims to fulfill varying production needs without predefined stock offerings.

Section iconCompany Overview

Phone number
NAICS Code
3261 - Plastics Product Manufacturing
Founded
1971
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

    Seiler Plastics's revenue is estimated to be in the range of $1M - $10M

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