What Midstate Mold & Engineering does

Midstate Mold & Engineering is a precision plastic injection molding manufacturer founded in 1965 and headquartered at 20 Liberty Way, Franklin, Massachusetts. The company designs and builds injection molds (domestically in-house and offshore), develops prototypes using SolidWorks CAD, and produces custom molded parts in low and high volumes from thermoplastics including PEEK, PPS, PTFE, FEP, PFA, and TPE. It operates a Class 10,000 cleanroom and a RAM Optical non-contact measurement machine, and maintains on-site mold storage, mold maintenance, and tool relocation services. Supporting services include First Article Inspection, process capability studies, PPAP, IQ/OQ/PQ process validation, and RoHS/Reach documentation.

The company is privately held by co-owners Steven Devine and Mark Glaude, who acquired the business in 2009 from prior owners John Zanardelli, Jack Killian, and Ed Coughlin (themselves buyers from founder Sam Mancuso in 1987). Midstate has held ISO 9001:2015 certification through NQA since 2011 and is a member of the Society of Plastics Engineers. Headcount is reported in the 11-50 range, with operations concentrated at the single Franklin facility.

Midstate serves engineers and manufacturers in four primary verticals: medical and pharmaceutical (device components, surgical instruments, diagnostic equipment), industrial (machinery housings, chemical-resistant parts), life science (laboratory and biotech instrument components), and electronics (connectors, enclosures). The go-to-market is sales-led and consultative: prospective customers submit quote requests via the website, then progress through a five-phase workflow of new product review, quoting, purchase order review, tool design/build, and production. Pricing is custom and quote-based at each stage rather than publicly listed. Revenue streams include production molding, mold design and construction, prototype development, and mold maintenance services. Demand generation relies on an educational blog, an email newsletter, and direct outreach, with no disclosed paid advertising or formal channel partnerships.

Name

Midstate Mold & Engineering

Legal name

Midstate Mold & Engineering

Website

https://midstatemold.com

Company type

Private

Founded year

1965

Operating status

Operating

Headcount range

11–50 employees

Short description

Midstate Mold & Engineering is a Franklin, Massachusetts-based precision plastic injection molder, founded 1965, serving medical, industrial, life science, and electronics OEMs with mold design, prototyping, cleanroom production, and mold storage services.

Ownership category

akta.pro rank

Product category

Plastic Injection Molding

NAICS

Industrial Mold Manufacturing (333511)

akta.pro primary industry

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

akta.pro secondary industry

Precision & Micro Injection Molding (IMANAFAH)

Keywords

• Plastic injection molding
• Precision mold making
• Thermoplastic manufacturing
• Prototype development
• Cleanroom injection molding

Headquarters

HQ city

Franklin

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Plastic Injection Molding Production: The company's primary revenue stream is producing custom plastic injection molded parts for clients. Revenue is generated through per-part pricing based on volume, material, and complexity. Both high and low volume production capabilities are offered.
2. Mold Design & Construction: Revenue from designing and building injection molds for customers. The company offers domestic in-house mold making, offshore lower-cost tooling, and maintains full responsibility for the entire process.
3. Prototype Development: Revenue from creating and reviewing part prototypes, providing design feedback, and assisting customers before committing to production tooling.
4. Mold Maintenance Services: Ongoing maintenance and repair services for customer-owned molds stored on-site, contributing to long-term customer retention.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Midstate Mold & Engineering is a precision plastic injection molder providing mold design and construction, prototype development, and high/low-volume production of thermoplastic parts (PEEK, PPS, PTFE, FEP, PFA, TPE) for medical, industrial, life science, and electronics customers. Operations are supported by an in-house mold making shop, a Class 10,000 cleanroom, RAM Optical non-contact measurement, and on-site mold storage and maintenance services.

Product overview

Midstate Mold & Engineering is a precision plastic injection molding company offering a comprehensive suite of services from concept to completed product. The core offering consists of mold making (domestic, offshore, and in-house), prototype development using SolidWorks CAD, and plastic injection molding production for both high and low volumes. Supporting services include quality assurance with advanced inspection capabilities, tool relocation, on-site mold storage, a Class 10,000 cleanroom, and eco-friendly alternatives using biopolymers. The company specializes in medical, industrial, life science, and electronics fields, working with engineering-grade plastics such as PEEK, PPS, PTFE, FEP, PFA, and TPE.

Differentiator

Problem solved

Functional benefit

Products and services

• Mold Making Design, quote, build, test, and improve injection molds. Offers domestic, offshore, and in-house mold making with over 180 years of combined expertise and full responsibility for the entire mold making process.
• Prototype Development Assists customers during the prototype design phase using SolidWorks CAD software to review designs, identify potential inefficiencies, and refine parts before committing to production tooling.
• Plastic Injection Molding Production High and low volume plastic injection molding production with insert/overmolding options and handling of thermoplastics including PEEK, PPS, PTFE, FEP, PFA, and TPE materials.
• Quality Assurance & Part Design Quality-focused services including First Article Inspection (FAI), process capability studies, PPAP, IQ/OQ/PQ process validation, and RoHS/Reach documentation, supported by RAM Optical non-contact computer measurement and SolidWorks CAD for part design review.
• Tool Relocation Tool (mold) relocation services for customers moving production from offshore or other manufacturers, including tool validation and transfer processes to bring production closer to the customer's operations.
• Mold Storage On-site storage and maintenance of customer molds. Molds are cleaned, maintained, and safely stored between production runs for quick accessibility when new orders are required.
• Eco-Friendly Solutions Eco-friendly alternatives including biopolymer plastic materials manufactured from biomass such as corn, wheat, sugar cane, and potatoes, offering biodegradable and compostable molded parts.
• Secondary Operations & Custom Assembly Additional finishing and assembly services beyond core injection molding, including custom assembly of molded components.

Quantifiable outcome

• Nearly 100% customer retention rate
• +1 more outcomes

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators4 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• EVCO Plastics: Custom plastic injection molder serving medical, industrial, and electronics customers with in-house tooling and design support — directly comparable in business model, customer mix, and small-to-mid scale.
• Sturgis Molded Products: Custom injection molder with in-house tooling, prototype-to-production capabilities, and broad industry reach — comparable service-line breadth and customer base.
• Baytech Plastics: Custom plastic injection molder offering design assistance, mold building, and production with ISO 9001 certification and engineering-grade material expertise — directly comparable mid-scale peer.
• Medbio (a PolyFlex Pro company): Specialty medical and life-science injection molder with cleanroom capabilities and ISO 13485 quality systems — directly comparable in the medical vertical that Midstate also serves.
• Matrix Plastic Products: Mid-sized custom injection molder with in-house mold design, engineering resins, and ISO-certified quality systems serving medical, industrial, and electronics customers — highly comparable scope and scale.
• Thogus Products: Family-owned custom injection molder with in-house tooling, prototype development, and engineering-resin capabilities — directly comparable in size, ownership profile, and service model.
• Tessy Plastics: Precision custom injection molder with strong medical device and consumer products exposure, offering design, tooling, and production services — directly comparable in regulated end-market focus.
• Kaysun Corporation: Custom injection molder with in-house mold making, engineering-grade thermoplastics, and a quality-focused culture serving medical and industrial OEMs — closely comparable in capabilities and segment focus.

Broad incumbents

• Phillips Plastics (Foxconn): Long-standing precision custom injection molder now under Foxconn, with broad industry coverage and significantly greater scale — comparable in process discipline but a fundamentally larger incumbent.
• GW Plastics: Larger established specialty injection molder with deep medical device and pharmaceutical exposure, multiple global facilities, and a broader portfolio — comparable capabilities but at materially greater scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Midstate Mold & Engineering