Name

Mack Group

Legal name

Mack Molding Co.

Website

https://mack.com

Company type

Private

Founded year

1920

Operating status

Operating

Headcount range

1,001–5,000 employees

Ownership category

akta.pro rank

Product category

Contract Manufacturing

NAICS

Machine Shops (33271), Printed Circuit Assembly (Electronic Assembly) Manufacturing (334418), Manufacturing (31-33)

SIC

Printed Circuit Boards (3672), Screw Machine Products (3451)

akta.pro primary industry

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

akta.pro secondary industry

PCB Assembly (PCBA/EMS) (HDAHAOAI)

Keywords

• Contract manufacturing services
• Plastic injection molding
• Sheet metal fabrication
• Medical device manufacturing
• Electromechanical assembly

Headquarters

HQ city

Milford

HQ country

United States

HQ region

North America

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Contract Manufacturing Services: Full-service contract manufacturing providing integrated solutions from design and development through final assembly and distribution, including plastic injection molding, sheet metal fabrication, machining, painting, and electromechanical assembly services
2. Custom Injection Molding: Custom plastic injection molding services ranging from small to large complex parts, with volumes from 5 to 5 million units, including clean room molding, automated assembly, and large-part molding
3. Machining & Sheet Metal Fabrication: Precision CNC machining and sheet metal fabrication services including milling, turning, laser cutting, bending, and welding for tight tolerance components
4. Painting & Finishing Services: Class A painting, pad printing, ultrasonic welding, heat staking, and other value-added finishing processes for enhanced product appearance, durability, and functionality
5. Design & Development Services: Integrated engineering support, DFM analysis, prototyping, and new product introduction services to streamline product development and accelerate time-to-market
6. Global Supply Chain & Fulfillment: End-to-end sourcing, procurement, inventory management, and logistics solutions including warehousing and distribution through 94,000 sq. ft. distribution center

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels4 records

Core offering

Mack Group is a vertically integrated contract manufacturer that provides full-service production from design and engineering through final assembly and distribution. Its core offerings include plastic injection molding (28 to 4,000 ton presses), large-part molding, CNC machining and sheet metal fabrication, Class A painting and finishing, electromechanical assembly, prototyping, and global supply chain management. Services are delivered across four wholly-owned operating divisions (Mack Molding, Mack Technologies, Mack Prototype, Synectic Engineering) and can be purchased individually or as a complete end-to-end solution for enterprise OEM customers.

Product overview

Mack Group is a vertically integrated contract manufacturing organization offering a comprehensive suite of manufacturing services under four divisions: Mack Molding (plastic injection molding, large part molding, machining, sheet metal fabrication, painting & finishing, design & development, prototyping, and global supply chain), Mack Technologies (electronic contract manufacturing, PCBA, system integration), Mack Prototype (rapid prototyping and low-volume manufacturing), and Synectic Engineering (product design and development). The portfolio is organized as a platform of integrated manufacturing services rather than distinct software products, with each division offering specialized capabilities that can be engaged individually or as a complete end-to-end solution.

Differentiator

Problem solved

Functional benefit

Products and services

• Plastic Injection Molding Custom plastic injection molding with 120+ presses ranging from 28 to 4,000 tons, offering large-part, gas-assist, structural foam, and two-shot molding for volumes from 5 to 5 million units. Includes clean room molding, automated assembly, and shot sizes from .1 oz to 50 lbs.
• Large Part Plastic Molding Large-part and high-tonnage molding with presses ranging from 1,500 to 4,000 tons, capable of molding parts up to 5 ft x 3 ft and up to 50 lbs. Targeted at transportation, industrial, and energy & utilities OEMs.
• Contract Manufacturing
• Machining & Sheet Metal Fabrication
• Painting & Finishing
• Design & Development
• Prototyping
• Global Supply Chain & Fulfillment
• Mack Technologies - Electronic Contract Manufacturing

Quantifiable outcome

• Eliminate multiple vendor management and handoffs through single-source production
• +3 more outcomes

Named customers6 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Four partnerships are on record, tiered foundational and core.

• Otis Elevator CompanyfoundationalOthersHistoric partnership in 1920 when Mack produced the first-ever plastic part used in a commercial product - a component for Otis Elevator Company. This foundational partnership established Mack's pioneering role in the plastics industry.
• Synectic Product DevelopmentcoreStrategic or Co-development PartnerWholly-owned subsidiary of Mack Group located in Woodbridge, Connecticut. Full-service product design and development company specializing in medical devices, consumer products, and industrial applications with capabilities in design engineering, intellectual property creation, pre-clinical testing, and manufacturing including NPI services.
• Mack PrototypecoreStrategic or Co-development PartnerWholly-owned subsidiary of Mack Group located in Gardner, Massachusetts. Specializes in rapid prototyping, rapid tooling, and low-volume plastics molding including 3D printing (Carbon DLS, FDM, HP MJF, SLA, SLS), urethane casting, CNC machining, and New Product Introduction (NPI) Launch Lab.
• Mack TechnologiescoreStrategic or Co-development PartnerWholly-owned subsidiary of Mack Group providing high-reliability electronic contract manufacturing services. Facilities in Westford, Massachusetts (aerospace, defense, medical), Melbourne, Florida (PCB assembly), and Juarez, Mexico (cost-effective manufacturing). Specializes in PCBA, system integration, and full product configuration.

Scale indicators11 records

Recent moves4 records

Broad incumbents

• Kimball Electronics: EMS company specializing in durable, high-complexity electronic assemblies for automotive, medical, industrial, and public safety markets. Comparable to Mack Technologies' PCBA and electronic manufacturing services with similar regulatory-driven customer base.
• Jabil Inc: One of the largest global EMS and contract manufacturers, providing electronics manufacturing, plastics, metals, and full product assembly. Comparable vertically integrated model and serves many of the same Fortune 500 OEM customers, though at significantly larger scale and broader geographic footprint.
• Flex Ltd: Global contract manufacturing and electronics manufacturing services (EMS) leader with ~$30B in revenue. Operates at much larger scale across plastics, electronics, and full product assembly — overlapping Mack's vertically integrated contract manufacturing model but with global geographic reach Mack lacks.
• Benchmark Electronics: Mid-to-large EMS and contract manufacturer with services in PCBA, precision machining, and full product assembly for aerospace, medical, and industrial markets. Comparable in scale and customer mix to Mack, with similar focus on complex regulated programs.
• Sanmina Corporation: Global EMS and contract manufacturer with capabilities in PCBA, plastics, metals, and full system assembly for medical, industrial, automotive, and aerospace markets. Direct overlap with Mack Technologies' electronic manufacturing services and Mack Molding's vertically integrated assembly offering.
• Celestica Inc: Global EMS and supply chain services provider serving aerospace, defense, medical, industrial, and capital equipment markets. Comparable in providing vertically integrated electronic manufacturing services with overlap at Mack Technologies and similar enterprise OEM customer profile.

Direct peers

• Creation Technologies: Mid-market EMS and contract manufacturer with services in PCBA, cable harness, and full box build for medical, industrial, and aerospace/defense markets. Closely comparable to Mack Technologies in scale, customer profile, and end-market focus on complex regulated programs.
• Tecomet: Contract manufacturer specializing in precision machined and formed components for medical, aerospace, and defense markets. Directly comparable to Mack's precision machining, sheet metal fabrication, and regulated-industry capabilities, with similar certification profile (ISO 13485, ITAR).
• Integer Holdings: Medical device contract manufacturer specializing in Class III implantable devices, surgical instruments, and medical components. Directly comparable to Mack's Class III PMA medical device manufacturing and medtech OEM customer base, with overlapping capabilities in precision plastics and metals.
• Phillips Medisize (Molex): A leading medical and pharmaceutical contract manufacturer with strong injection molding capabilities, acquired by Molex in 2014. Directly comparable to Mack's medical molding and Class III PMA device capabilities, with overlapping customer base in medtech OEMs.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries4 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 Mack Group