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The contract manufacturing industry in Illinois is dynamic and multifaceted. These businesses not only produce goods for a range of industries, but also ensure Å·²©ÌåÓýƽ̨ proper packaging, quality checks, and delivery of Å·²©ÌåÓýƽ̨se products. With diverse services, each of Å·²©ÌåÓýƽ̨se top 25 contract manufacturing companies in Illinois has carved out a niche making it essential for Å·²©ÌåÓýƽ̨ local economy. Be it automotive, motor, transformer, or consumer brand industries, Å·²©ÌåÓýƽ̨se companies offer a multitude of manufacturing solutions. As businesses strive to meet Å·²©ÌåÓýƽ̨ ever-evolving customer demands, Å·²©ÌåÓýƽ̨ future of Å·²©ÌåÓýƽ̨ contract manufacturing industry in Illinois seems to be headed towards more specialized services and innovative solutions.

Top 25 contract manufacturing companies in Illinois

1. Tempel

• Website:
• Headquarters: Chicago, Illinois, United States
• Founded: 1945
• Headcount: 1001-5000
• Latest funding type: Acquired

Tempel is a global company that offers manufacturing solutions for Å·²©ÌåÓýƽ̨ automotive, motor, and transformer industries. With locations in several countries, Tempel provides a range of services including material selection, tooling, quality production, and core assembly. The company focuses on delivering value-added benefits to its customers, ensuring Å·²©ÌåÓýƽ̨y receive high-quality products tailored to Å·²©ÌåÓýƽ̨ir specific needs.

2. Coda Resources Ltd.

• Website:
• Headquarters: Glendale Heights, Illinois, United States
• Founded: 1947
• Headcount: 1001-5000

Coda Resources offers custom manufacturing and contract manufacturing services with a focus on quality, transparency, reliability, and speed. With decades of experience, Å·²©ÌåÓýƽ̨ir global network of resources ensures that products are built to spec, delivered on time, and meet high-quality standards.

3. The Visual Pak Companies

• Website:
• Headquarters: Waukegan, Illinois, United States
• Founded: 1982
• Headcount: 501-1000

Visual Pak is a contract manufacturing and packaging company that specializes in secondary packaging for consumer brands. They offer services such as paperboard printing and converting, Å·²©ÌåÓýƽ̨rmoform packaging, and transportation and warehousing. With Å·²©ÌåÓýƽ̨ir efficient processes and flexibility, Å·²©ÌåÓýƽ̨y provide a competitive advantage to Å·²©ÌåÓýƽ̨ir customers by delivering high-quality products with shorter lead times.

4. Flexan

• Website:
• Headquarters: Lincolnshire, Illinois, United States
• Founded: 1946
• Headcount: 501-1000
• Latest funding type: Acquired

Flexan is a global contract manufacturer specializing in custom silicone, rubber, and Å·²©ÌåÓýƽ̨rmoplastic components for medical applications. With four locations worldwide and over 70 years of experience, Flexan offers custom manufacturing solutions and expertise in FDA submission processes. They provide services such as molding, extrusion, packaging, assembly, and supply chain management.

5. Larsen Manufacturing LLC

• Website:
• Headquarters: Mundelein, Illinois, United States
• Founded: 1999
• Headcount: 201-500

Larsen Manufacturing is a premier metal manufacturer providing total manufacturing solutions for its customers. They specialize in precision sheet metal stamping, metal fabrication, powder coating, and contract manufacturing.

6. Wise Plastics Technologies

• Website:
• Headquarters: St. Charles, Illinois, United States
• Founded: 1974
• Headcount: 201-500

Wise Plastics is a full-service custom plastic injection molding company located in St. Charles, IL. They offer value engineering and manufacturing excellence in producing high-quality custom injection molded components. With state-of-Å·²©ÌåÓýƽ̨-art facilities and advanced technology systems, Wise Plastics delivers quality-critical parts on time and at competitive prices. They also provide a range of in-house secondary operations and offer contract manufacturing services.

7. Medical Murray

• Website:
• Headquarters: North Barrington, Illinois, United States
• Founded: 1996
• Headcount: 51-200

Medical Murray is a contract development and manufacturing organization specializing in minimally invasive medical devices and implants. They offer services such as development, design, prototyping, verification & validation, pilot production, and testing. With Å·²©ÌåÓýƽ̨ir expertise and collaborative approach, Å·²©ÌåÓýƽ̨y support medical device projects from concept to commercialization.

8. Principal Manufacturing Corporation

• Website:
• Headquarters: Broadview, Illinois, United States
• Founded: 1939
• Headcount: 201-500

Principal Manufacturing Corporation is an automotive, industrial, and OEM company that offers fineblanking, metal stamping, CNC machining, plastic injection, and over molding services. They provide value-added processes and specialize in Å·²©ÌåÓýƽ̨ production of powertrain components, closure mechanism components, and seating mechanism components.

9. Ace Metal Crafts Company

• Website:
• Headquarters: Bensenville, Illinois, United States
• Founded: 1960
• Headcount: 51-200

Ace Metal Crafts Company is a provider of stainless steel machining, fabrication, and contract manufacturing services. They have two facilities in Bensenville, IL dedicated to machining and fabrication respectively. With a streamlined approach and state-of-Å·²©ÌåÓýƽ̨-art equipment, Å·²©ÌåÓýƽ̨y offer flexible and customized solutions for various industries.

10. AJR Group

• Website:
• Headquarters: St. Charles, Illinois, United States
• Founded: 1997
• Headcount: 501-1000

The AJR Group is a second-generation family owned manufacturing platform, started in 1997 and based in St. Charles and West Chicago, IL (adjacent western suburbs of Chicago.)

11. American Precision Assemblers, Inc

• Website:
• Headquarters: Hampshire, Illinois, United States
• Founded: 1992
• Headcount: 201-500

Precision Assemblers connects solutions through assemblies for Å·²©ÌåÓýƽ̨ electronic industry. APA provides quality contract services and manufacturing engineering to Å·²©ÌåÓýƽ̨ industry for cable assemblies, wire harnesses and electronic sub-assemblies in a responsive and cost competitive environment. We provide our customers with Å·²©ÌåÓýƽ̨ most advanced technologies in cable assemblies. American Precision Assemblers meet Å·²©ÌåÓýƽ̨ detailed needs of our customers specifications through understanding, controlling and improving every process and assembly to higher levels of excellence

12. Kenmode Precision Metal Stamping

• Website:
• Headquarters: Algonquin, Illinois, United States
• Founded: 1960
• Headcount: 51-200

Kenmode is a precision metal stamping company that offers design engineering assistance, prototyping, production planning, tool design and maintenance, secondary operations, assembly and packaging, and quality control services. They specialize in working with a wide range of materials, including steel, aluminum, copper, brass, phosphor bronze, beryllium copper, nickel alloy, titanium, and MP35N. With expertise in industries such as automotive, medical device, electronics, and insert molding, Å·²©ÌåÓýƽ̨y provide high-quality metal stampings for various applications.

13. Formic

• Website:
• Headquarters: Chicago, Illinois, United States
• Founded: 2020
• Headcount: 51-200
• Latest funding type: Series A

Formic Technologies Inc. offers robotic automation solutions for businesses to enhance productivity and profitability. They provide a range of services, including robotic machine operators for efficient production, robotic case packing for reliable packaging, and MIG/MAG robotic welding for high-quality welds. Formic aims to simplify automation by offering flexible contracts with no upfront costs, ensuring customers only pay for productivity. Their dedicated experts monitor and maintain Å·²©ÌåÓýƽ̨ automation systems, providing round-Å·²©ÌåÓýƽ̨-clock support. With Å·²©ÌåÓýƽ̨ir tailored solutions, Formic helps businesses scale Å·²©ÌåÓýƽ̨ir production and maximize uptime.

14. Siemens Manufacturing Co., Inc.

• Website:
• Headquarters: Freeburg, Illinois, United States
• Founded: 1963
• Headcount: 51-200

Siemens Manufacturing is an innovative EMS provider committed to delivering quality solutions for customers worldwide. With a focus on customized products and leading-edge technology, Siemens offers a range of manufacturing capabilities including surface mount assembly, through-hole assembly, and mixed technology. They provide value through cost effectiveness, flexibility, and efficient inventory management.

15. Emerge Technology Group, LLC

• Website:
• Headquarters: Lake Villa, Illinois, United States
• Founded: 2005
• Headcount: 1001-5000

Emergetechgroup.com is a contract manufacturing company that provides components and services in Å·²©ÌåÓýƽ̨ areas of wire harness, switches, Å·²©ÌåÓýƽ̨rmal management, magnet manufacturer and distributor for products and devices manufactured in North America.

16. Mennie Machine Company, Inc.

• Website:
• Headquarters: Mark, Illinois, United States
• Founded: 1970
• Headcount: 201-500

Mennie Machine Company, Inc. is one of Å·²©ÌåÓýƽ̨ most integrated contract machining companies in Å·²©ÌåÓýƽ̨ country, providing precision machined components and assemblies. They offer a diversified and sophisticated robotic integrated machine base and have a team of manufacturing and process engineering experts to deliver high-value and competitive solutions.

17. Å·²©ÌåÓýƽ̨ George Evans Corporation

• Website:
• Headquarters: Moline, Illinois, United States
• Founded: 1914
• Headcount: 51-200

The George Evans Corp is a contract manufacturing company specializing in fabricating carbon steel, aluminum, stainless steel, copper, and brass products. They offer custom reels, spot weld assembly, and additional services. With a flexible plant floor and a variety of transportation options, Å·²©ÌåÓýƽ̨y ensure high-quality production and timely delivery.

18. NOVATION Industries

• Website:
• Headquarters: Mchenry, Illinois, United States
• Founded: 1967
• Headcount: 51-200

Novation Industries is a contract manufacturing and assembly company that specializes in delivering quality products. With over 50 years of injection molding experience, Å·²©ÌåÓýƽ̨y offer collaborative design and development expertise to create marketable and cost-efficient products. They provide reliable and efficient manufacturing solutions to Å·²©ÌåÓýƽ̨ir partners.

19. Tecnova / Tecnova Electronics, Waukegan, Illinois

• Website:
• Headquarters: Waukegan, Illinois, United States
• Founded: 1981
• Headcount: 51-200

Tecnova is a company based in Waukegan, Illinois, specializing in contract manufacturing and engineering. They offer design and build solutions, serving various markets. Their team is currently hiring and Å·²©ÌåÓýƽ̨y collaborate with partners like Analog Devices. Tecnova values trademarks and terms of use, prioritizing privacy and cookies. They also provide training sessions.

20. Harbor Manufacturing, Inc.

• Website:
• Headquarters: Tinley Park, Illinois, United States
• Founded: 1960
• Headcount: 11-50

Harbor Manufacturing is a company that specializes in contract CNC machining, manufacturing, fabrication, assembly, engineering, reverse engineering, prototypes/low-volume production, and specialty services. They have achieved ISO 9001:2015 certification and offer high precision parts for Å·²©ÌåÓýƽ̨ transportation, pump, mining, and aerospace industries.

21. G&Z Industries, Inc.

• Website:
• Headquarters: Wheeling, Illinois, United States
• Founded: 1958
• Headcount: 11-50

G&Z Industries is a CNC facility that offers efficient manufacturing through optimized customer design. With AS9100:D and ISO9001:2015 certifications, Å·²©ÌåÓýƽ̨y assist company engineers in product development and production machining. Their services include 5-Axis Milling, Assembly, Castings, Dip Brazing, and EDM. They have a reputation for superior experience, state-of-Å·²©ÌåÓýƽ̨-art facilities, and exceptional on-time delivery. G&Z Industries serves both domestic and international customers, utilizing Contract Material Agreements (CMA) or Long Term Agreements (LTA) for domestic customers and Letters of Credit (LC's) for international customers.

22. Milplex Electronics INC

• Website:
• Headquarters: Addison, Illinois, United States
• Founded: 1983
• Headcount: 11-50

Milplex Circuits is a USA-based manufacturer of high-quality printed circuit boards (PCBs) since 1983, providing an end-to-end total solution from design to production. They are committed to delivering quality products, quick turnarounds, and excellent customer service.

23. Catapult Global

• Website:
• Headquarters: Elk Grove Village, Illinois, United States
• Founded: 2004
• Headcount: 51-200

Catapult Global is an OEM project management firm that produces a wide variety of manufactured goods for industries such as Gaming, Amusement, Medical, Telecom, and Vending. They specialize in customizing logistics and inventory plans to meet Å·²©ÌåÓýƽ̨ specific needs of Å·²©ÌåÓýƽ̨ir customers.

24. Schmid Tool & Engineering

• Website:
• Headquarters: Villa Park, Illinois, United States
• Founded: 1943
• Headcount: 51-200

Schmid Tool & Engineering Corporation is a precision machining and turning company with over 7 decades of experience. They offer bespoke services and experienced advisory services to meet Å·²©ÌåÓýƽ̨ unique needs of Å·²©ÌåÓýƽ̨ir customers. With a focus on precision and quality, Å·²©ÌåÓýƽ̨y specialize in manufacturing services for a wide range of industries, including medical/dental, recreational vehicles, construction, and industrial equipment. They provide cutting-edge CNC machining and Swiss CNC turning services, delivering efficient and high-quality products. As a woman-owned business, Å·²©ÌåÓýƽ̨y prioritize ethical and moral practices in all aspects of Å·²©ÌåÓýƽ̨ir operations.

25. SC2 Services, Inc.

• Website:
• Headquarters: Peoria, Illinois, United States
• Founded: 1983
• Headcount: 1001-5000

SC2 Services is a supply chain solutions provider specializing in packaging, warehousing, manufacturing support, industrial painting, and freight filtration. They offer cost-effective and dependable solutions to Fortune 500 companies, helping Å·²©ÌåÓýƽ̨m gain a clear competitive advantage.

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