MFG Manufacturer Directory

Find the right manufacturer for your custom parts.

Major Pattern & Manufacturing

Roscoe, Illinois


Major Pattern & Manufacturing is located in Roscoe, Illinois, United States and specializes in manufacturing the following processes: Machining, Die Casting, Fabrication, RTV Molding, Investment Casting, Sand Mold Casting, Sheet Metal.

Excel Gear Inc.

Roscoe, Illinois

Job Shop / Contract Manufacturer


Excel Gear engineers have extensive experience in machine tool design, analysis, manufacture and testing of gears, high speed spindles, CNC gimbal heads and attachments. Our qualified engineers can assist in virtually any phase of your project, however complex. Personalized service and open communication with every customer on every job is a top priority at Excel Gear. With thorough understanding of customer requirements, we can use our knowledge and skills to develop innovative, yet practical solutions to even the most challenging problems. We are proud of the high level of quality and service that we consistently provide at Excel Gear, and we are confident that we can satisfy your special requirement for gears, spindles, design and analysis. We welcome an opportunity to quote on your next project and invite you to visit our facility. We recently designed and manufactured gearbox for Navy Warship Gun Systems. Each gear Box is 46” long, 36” diameter and weighs 3,740 lbs. The peak output torque capacity of the produced gearbox is 26,500 ft. lbs.

Accurate CNC Machining, Inc.

Roscoe, Illinois

Job Shop / Contract Manufacturer


With over 80 years combined experience and a commitment to quality, Accurate CNC Machining, provides precision CNC machining services to customers in the automotive and industrial gear industries.

We’re ISO 9001:2008 certified and embrace lean methodology in all of our precision machining processes. Offering two to ten day lead times as well as rush service, we also boast a 97 to 99% on time delivery. Specializing in CNC turning, milling, and threading, our skilled machinists and state of the art equipment can meet tolerances of ± .0001” of concentricity and diameter. We work with parts up to 30” long, 40” wide, 25” high, with diameters up to 14”.

We can work with various steels, alloys, brass, and a wide variety of plastics, and provide the same on time delivery on prototypes as we do for high volume production runs.


Roscoe, Illinois

Job Shop / Contract Manufacturer


STATE LINE FOUNDRY is a Job Shop / Contract Manufacturer based out of United States that joined MFG in 2013. They specialize in and are

ISO 9001:2008


Ingenium Aerospace

Roscoe, Illinois

Job Shop / Contract Manufacturer


Ingenium Aerospace is a design and manufacturing facility. Ingenium designs,manufactures and tests electromechanical, mechanical, and electrical assemblies. Ingenium  Aerospace specializes in the Aerospace industry,and is also equipped to support industrial, commercial and military applications. 

Liberty Engineering

Roscoe, Illinois

Job Shop / Contract Manufacturer


  • Complete turnkey project from concept to finished product production.

  • · Complete Turnkey projects from Concept to start-up.
  • · Design, build and test new equipment to Kraft standards.
  • · Specialty conveying systems to conform to USDA, FDA, WDA3A
  • · Provide conceptual designs on ways to solve existing ongoing issues.
  • · Familiar with F.E.L. process and have created PEM’s for new projects.
  • · Extensive in-house capabilities for prototype building and testing.
  • · New equipment development and rebuilding existing equipment.
  • · Modify existing equipment for product lines
  • · 3-D printer for prototyping.
  • · Complete Turnkey projects from Concept to start-up.
  • · Design, build and test new equipment.
  • · Supervise Union millwrights and electricians to install our equipment.
  • · Supervise installation to meet start-up dates.
  • · Provide performance guarantees for any projects.
  • · Prompt service - competitive rates - guaranteed product.


  • Liberty can design new equipment or modify existing idle equipment to adapt to any application.


  • Liberty has multiple businesses and business partnerships to complete any turnkey projects:


1. Mechanical Engineering office:

· 3 Mechanical/process engineers on site

· 1 Chemical engineer on site

· 2 design/drafters on site

· 10 Mechanical engineers in the field

· 28 Design/ drafters in the field

· Large shop for multiple projects and FAT approval.


2. Electrical Engineering office:

· 8 Electrical engineers on site

· 4 design/drafters on site

· 20 electrical technicians on site

· Large shop for multiple projects


3. Mechanical fabrication office:

· 30 Machinists

· 15 assemblers

· Complete line of CNC machining equipment

· Large shop for multiple projects


4. Mechanical installation contractor office:

· 30 union mechanical contractors on staff

· 6 union process pipe fitters on staff

· 8 Machinist/fabricators

· Large shop for multiple projects


5. Electrical installation contractor office:

· 10 union electrical contractors on staff

· Large shop for multiple projects


  • By combining all of the disciplines listed above Liberty can complete an entire project with the receipt of a single purchase order.

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