Top Illinois Manufacturing Companies (428)
The power it has to uplift and bring people, Guided by our purpose - Celebrating real connections through delicious, planet-friendly food - we believe that working together with our teams, business and community partners will bring sustainable growth and positive change - today, tomorrow and for generations to come. As a privately owned family company with over 60 years of...
A leading global aerospace company and top U.S. exporter, Boeing develops, manufactures and services commercial airplanes, defense products and space systems for customers in more than 150 countries. Our U.S. and global workforce and supplier base drive innovation, economic opportunity, sustainability and community impact. Boeing is committed to fostering a culture based on our core values of safety, quality and...
Mondelēz International, Inc. (NASDAQ: MDLZ) is an American multinational confectionery, food, and beverage company based in Illinois which employs approximately 90,000 individuals around the world. Our Purpose Our purpose is to empower people to snack right. We will lead the future of snacking around the world by offering the right snack, for the right moment, made the right way. Our...
Fortune Brands Innovations (NYSE: FBIN) is an industry-leading home, security and digital products company with a portfolio of trusted brands, including Moen, House of Rohl, Therma-Tru, Larson, Master Lock, Yale residential, and Sentry Safe. We are building a company that is determined to win, and we are clear about how: strong brands, great people, and disciplined execution. Our teams put...
The Heico Companies is the parent holding company for a diverse portfolio of manufacturing, construction, and industrial services businesses. Today, we look to acquire performing businesses that complement our existing operations. As a buy, hold, and build investor, we have owned many of our operations for over 40 years. A key factor in our growth is our commitment to reinvest...
Cat-i Glass Manufacturing is an ISO 9001:2015 and ITAR-registered U.S. flat-glass fabricator specializing in precision-machined and custom glass fabrication solutions. Serving over 40 global product markets, including aerospace, automotive, medical, and defense, the company provides high-quality, cost-effective designs with short lead times for both Fortune 500 companies and small businesses, supported by a dedicated team of expert engineers.
Culligan UK is a leading provider of innovative and high-quality water solutions, offering a wide range of products like water coolers and dispensers for businesses and homes, and emphasizes designing, building, and servicing their own products.
Smalley Steel Ring Company is a world leader in the manufacturing and development of retaining rings, snap rings, and wave springs, including Spirolox and constant section rings. Founded over a century ago, the company provides high-quality industrial components for diverse applications across sectors such as aerospace, automotive, medical, and oil and gas, offering a vast product line of standard and...
Miller Cooper is the 10th largest accounting firm in the Chicago area, providing accounting, tax, due diligence, IT, retirement plan, and business consulting services. Founded in 1919, the firm serves middle market and entrepreneurial companies, as well as nonprofit organizations, with a focus on helping clients achieve their goals through technical excellence and personal attention.
Waterworks is a luxury brand specializing in high-end bath and kitchen products, including fittings, fixtures, hardware, lighting, surfaces, and cabinetry. Founded in 1978, the company is recognized for its commitment to artisanal craftsmanship, rigorous engineering, and timeless design. Waterworks collaborates with accomplished designers and architects to provide a complete, proprietary vision for the most valuable rooms in the home, serving...
Novolex is a leading manufacturer of food, beverage, and specialty packaging serving foodservice, restaurant delivery and carryout, food processing, grocery and retail, and industrial customers. Its innovative product portfolio helps businesses operate efficiently, meet evolving customer expectations, and deliver everyday essentials to millions of customers worldwide. The company’s manufacturing network spans North America and Europe and includes two plastic-film recycling...
At Mallinckrodt, we use strategic vision and employee-driven momentum to pursue a powerful mission: Listening for needs and delivering solutions. As a leader in specialty pharmaceuticals, we develop, manufacture, market and distribute innovative treatments for underserved patient populations within neurology, rheumatology, hepatology, nephrology, pulmonology, ophthalmology, and oncology; immunotherapy and neonatal respiratory critical care therapies; analgesics; cultured skin substitutes and gastrointestinal...
Around 25% of the world’s population is living with hearing loss. At Sonova, we envision a world where everyone enjoys the delight of hearing and lives a life without limitations. From personal audio devices and wireless communication systems to audiological care services, hearing aids, and cochlear implants. Our product brands – Phonak, Unitron, Sennheiser (under license), and Advanced Bionics –...
Closet Factory is a nationally recognized leader in the custom closets and organizational spaces industry. Since 1983, they have provided custom storage solutions for the entire home, including closets, home offices, and garage cabinetry. By utilizing a collaborative design approach and in-house manufacturing, they create high-quality, personalized systems tailored to each client's needs, style, and budget, helping clients maximize their...
POET is the world's largest producer of ethanol and a leader in bioprocessing, focused on renewable energy and agricultural products.
Founded in 1972 and headquartered in Bessemer, Alabama, DeSHAZO LLC is a family-owned manufacturer and servicer of custom-built overhead cranes and material handling equipment. The company provides end-to-end solutions, from custom design and manufacturing to installation and lifelong maintenance. DeSHAZO also delivers turnkey industrial automation systems, including robotic palletizing, machine tending, and conveyor systems for global industrial clients.
Atkore is a leading manufacturer of electrical products for commercial, industrial, data center, telecommunications, and solar applications. With 5,600 employees and $3.5B in sales in fiscal year 2023, we deliver sustainable solutions to meet the growing demands of electrification and digital transformation. Our portfolio includes industry-trusted brands such as Unistrut, Allied Tube & Conduit, AFC Cable Systems, Cope, US Tray,...
O-I Glass, Inc. is a global manufacturer of glass containers, producing bottles and jars for food, beverage, alcoholic drinks, cosmetics and pharmaceuticals. Headquartered in Perrysburg, Ohio, the company operates dozens of manufacturing plants worldwide and emphasizes sustainable, infinitely recyclable glass packaging. Founded in 1903, O-I partners with major brands to design innovative, brand-building glass packaging and advance circularity through recycling...
Indorama Ventures Oxides & Derivatives is a leading chemical intermediates and surfactants producer with a diverse range of products in growth markets such as home & personal care, agrochemicals, oilfield technologies, fuel & lube additives and more. In January 2020, Indorama Ventures Public Company Limited completed its acquisition of Huntsman’s world-class integrated oxides and derivative business, including: Surfactants: Integrated producer...

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