Special Tool & Engineering

What Special Tool & Engineering does

Special Tool & Engineering, Inc. is a private, family-owned (Special family) custom plastics manufacturer founded in 1988 and headquartered in Fraser, Michigan, with a secondary production facility in Roseville, MI. The company operates as a full-service supplier spanning the product lifecycle from design and engineering through tooling and high-volume production, with 51-100 employees and core capabilities in plastic injection molding (six presses ranging from 85T to 1200 tons), CNC metal tooling (aluminum and steel molds), vacuum forming, insert molding, and secondary assembly operations including ultrasonic welding and heat staking. It holds IATF 16949:2016 and ISO/TS-16949 certifications and serves primarily automotive Tier 1 suppliers — Lear, Magna, Draexlmaier, IAC, Key Plastics, Flex-N-Gate, and Henkel — with secondary exposure to defense and commercial/consumer product manufacturers.

The business operates on a project-quote, direct-sales model: prospective customers submit project specifications through a website form or via direct phone/email contact, and dedicated program managers run each engagement through APQP/PPAP quality gates, process flow documentation, PFMEA, and dimensional reviews. Long-standing supplier partnerships with texture specialists Tenibac and Mold Tech extend its mold finishing capabilities, and prototype turnaround is typically two weeks to one month. The company also maintains an educational blog covering injection molding processes, materials, and applications as a top-of-funnel marketing channel.

Revenue is generated through custom tooling projects (rapid prototype, aluminum, and hardened steel molds) and recurring production runs of injection molded components for automotive interior and exterior applications, defense equipment, and consumer goods. Pricing is not publicly disclosed; all engagements are quote-based, structured as multi-year production contracts aligned with OEM program lifecycles. The company does not pursue international markets, external funding, or acquisition-driven growth — its operating model is organic, founder-led, and concentrated in the domestic (USA) automotive supply chain.

Name

Special Tool & Engineering

Legal name

Special Tool & Engineering, Inc.

Website

https://specialtool.net

Company type

Private

Founded year

1990

Operating status

Operating

Headcount range

11–50 employees

Short description

Special Tool & Engineering is a family-owned custom injection molder and tool manufacturer in Fraser, MI, serving automotive Tier 1 suppliers (Lear, Magna, Draexlmaier, Flex-N-Gate, IAC) plus defense and commercial/consumer OEMs with in-house design, tooling, and production capabilities.

Ownership category

akta.pro rank

Product category

Custom Plastic Injection Molding

akta.pro industry

PRIMARYIMANAFAJ

Custom Injection Molding & Contract Manufacturing (Job Shops/CMs)

Industrials, Manufacturing & Construction/Plastics & Rubber Manufacturing/Injection-Molded Plastics Manufacturing

SECONDARYIMANAFAB

Automotive & Transportation Injection Molded Parts

Industrials, Manufacturing & Construction/Plastics & Rubber Manufacturing/Injection-Molded Plastics Manufacturing

SECONDARYIMANAFAI

Insert & Overmolding (Metal/Plastic, Multi-Material)

Industrials, Manufacturing & Construction/Plastics & Rubber Manufacturing/Injection-Molded Plastics Manufacturing

Keywords

• Plastic injection molding
• Custom tooling manufacturing
• Injection mold design
• Automotive parts manufacturing
• Insert molding services

Headquarters

HQ city

Fraser

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Technology or R&D

Revenue model

1. Custom Plastic Injection Molding: Manufacturing and production of custom plastic injection molded components using company-owned presses ranging from 85T to 1200T. Revenue is generated through production runs, with pricing based on part complexity, material selection, and production volume.
2. Tool Manufacturing: Design and manufacturing of injection molds, tooling, and dies. Includes rapid prototype molds, aluminum molds, and hardened steel production molds for internal use and customer projects.
3. Program Management Services: Dedicated program management for each program, including APQP and PPAP processes, handling quotes, orders, materials, and tryouts as part of comprehensive customer service.

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels3 records

Core offering

Special Tool & Engineering is a full-service custom manufacturer that designs and builds plastic injection molds in-house and then runs production injection molded parts for industrial customers. Its offering spans design and engineering, tool manufacturing (aluminum and steel molds), production injection molding on six presses ranging from 85T to 1200T, and program management including APQP/PPAP execution, serving automotive, defense, and commercial/consumer markets primarily in the United States.

Product overview

Special Tool & Engineering is a full-service manufacturing supplier offering integrated services across the product lifecycle from design concept to production. The company provides Design & Engineering Services for product development, Tooling capabilities for mold creation (including rapid prototyping, aluminum and steel molds), and Plastic Injection Molding with six presses (85T to 1200T). The production operation is ISO/TS-16949 certified with APQP/PPAP processes, while Program Management provides dedicated liaison services for each project. Niche Applications cover specialized processes including insert molding, vinyl/leather wrapping, in-mold decorative films, and various assembly options. Customers receive end-to-end support from design through final production, with the company's expertise centered on automotive, commercial/consumer, and defense industries.

Differentiator

Problem solved

Functional benefit

Products and services

• Design & Engineering Services Comprehensive design and engineering services including product design qualifications, prototype construction from concept to production, and material selection support for injection molding projects. Targeted at manufacturers needing engineering support alongside tooling and production.
• Tooling / Tool Manufacturing
• Plastic Injection Molding
• Plastic Injection Molds
• Plastic Injection Molding Prototyping
• Production
• Program Management
• Niche Applications

Quantifiable outcome

• Six injection molding presses ranging from 85T to 1200T provide capacity for diverse production requirements
• +2 more outcomes

Named customers7 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Two partnerships are on record, tiered minor.

• TenibacminorOthersLong-standing relationship with texture provider Tenibac for surface finishing and texturing of injection molds and tooling components.
• Mold TechminorOthersLong-standing relationship with texture provider Mold Tech for mold texturing and surface treatment services.

Scale indicators4 records

Recent moves5 records

Expansion highlights3 records

Direct peers

• Plastic Components Inc. Custom plastic injection molder serving automotive and industrial customers from the Midwest, with comparable in-house tooling capabilities and multi-press operations targeting the same Tier 1 supplier base.
• Hi-Rel Plastics: Michigan-based custom injection molder focused on automotive interior/exterior components with engineering-grade resins and insert molding - directly overlapping Special Tool's automotive interior trim and IATF-certified production capability.
• Erie Plastics: Indiana-headquartered custom plastic injection molding contract manufacturer serving Tier 1/2 automotive and consumer products customers, comparable in scale, certification posture, and end-market mix to Special Tool.
• Diversified Plastics Inc. Mid-sized custom injection molder operating multiple presses and in-house tooling for industrial and consumer customers, offering a comparable one-stop design-to-production model to Special Tool.
• RCO Engineering: Michigan plastic injection molder combining design, tooling, and production services for automotive OEMs - operating in the same regional/custom Tier ecosystem as Special Tool.
• Decatur Mold Tool & Engineering: Midwestern custom mold maker and injection molding supplier serving automotive and industrial customers, with comparable integrated tooling-and-molding capability to Special Tool.

Broad incumbents

• AptarGroup Inc. Large diversified plastics and dispensing component manufacturer serving automotive, beauty, and healthcare end markets - overlaps with Special Tool's plastics processing capability but operates at materially greater scale across multiple geographies.
• Amcor Berry (Berry Global): Global plastics packaging and engineered materials manufacturer with significant automotive plastics exposure; serves as a broader incumbent on multi-material plastic components where Special Tool competes at a regional custom-molder level.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/pub/vince-special/6/870/669

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Special Tool & Engineering