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We figured out the best biggest companies to work for in Illinois using data on salaries, company financial health, and employee diversity. You can also search for the best biggest companies to work for in any other state or city.

Zippia score 4.8
Tenneco is a global manufacturing company, is pioneering global ideas for cleaner air, and smoother, quieter and safer transportation. They are one of the world's leading designers, manufacturers and distributors of Ride Performance and Clean Air products and technology solutions for diversified markets, including light vehicle, commercial truck, off-highway equipment and the aftermarket. They serve their customers from 92 manufacturing facilities and 15 engineering and technical centers around the world, delivering advanced technologies, quality products, powerful brands and outstanding engineering and manufacturing capabilities. Headquartered in Lake Forest, Illinois, their 32,000 employees around the world demonstrate the company's commitment to shareholder value, their customers' success, employee engagement and sustainability.
Zippia score 4.6
Grainger, Inc. is an American Fortune 500 industrial supply company founded in 1927 in Chicago.
Zippia score 4.8
Hospira, Inc. is the provider of injectable drugs and infusion technologies. Through its broad, integrated portfolio, Hospira is uniquely positioned to Advance Wellness™ by improving patient and caregiver safety while reducing healthcare costs. The company is headquartered in Lake Forest, Ill., and has approximately 16,000 employees.
Zippia score 4.5
Packaging Corporation of America (PCA) is the fourth largest producer of containerboard and corrugated packaging products in the United States. Our focus on a single line of business not only differentiates us from our major competitors, but also helps us achieve levels of operational excellence that are highly respected within the industry. A leader in integration, PCA converts approximately 83% of the containerboard it produces into finished corrugated containers for a broad base of both local and national accounts. With 2012 net sales at a record $2.8 billion and 8,600 employees, PCA produced 2.6 million tons of containerboard and shipped 34.7 billion square feet of corrugated products
Zippia score 4.8
At Pactiv, continuous innovation has secured our place as the world's largest manufacturer and distributor of food packaging and foodservice products, supplying packers, processors, supermarkets, restaurants, institutions and foodservice outlets across North America. Since our founding in 1965 as Packaging Corporation of America, we have focused on producing and distributing the highest quality foodservice packaging products. Our product lines today include custom and stock foam, plastic, aluminum, pressed-paperboard, PE coated board, and molded-fiber packaging.
Zippia score 4.1
Trustmark is an employee benefits company. According to Crain's Chicago Business magazine, Trustmark ranks #69 among Chicago's Largest Privately Held Companies in 2018.
Zippia score 4.1
Zippia score 4.7
BAND-IT was founded in 1937. They make durable and reliable industrial fasteners. BAND-IT's realization of success comes from the commitment to understanding the properties of steel and how the transformation from raw material to steel fasteners functions and "breathes" on a molecular level.
Zippia score 4.5
Welcome to the Official Solo Cup Facebook Page!
Zippia score 4.4
We're committed to working safely, innovation, and the driving results with teamwork and collaboratio.
Zippia score 4.2
Trustmark is an employee benefits company. According to Crain's Chicago Business magazine, Trustmark ranks #69 among Chicago's Largest Privately Held Companies in 2018.
Zippia score 4.0
Autoparts Holdings Limited high quality, non-discretionary products for the automotive and heavy-duty aftermarket. The company's brands include FRAM, Prestone, and Autolite. The company was founded in 2011 and is based in Lake Forest, Illinois. It has an additional location in Danbury, Connecticut.
Zippia score 4.7
FRAM is an American brand of automotive replacement parts offering oil filters, air filters, fuel filters, and similar products.
Zippia score 4.8
Akorn is a niche generic pharmaceutical company engaged in the development, manufacture and marketing of multi-source and branded pharmaceutical products in the areas of ophthalmology, antidotes, anti-infectives, and controlled substances for pain management and anesthesia in the United States and across the globe.
Zippia score 4.7
Renaissance Holding Company offers dental insurance products and services.
Zippia score 3.9
Zippia score 4.0
Outsourced IT Solutions is our business. Impact Networking provides custom IT solutions to streamline business processes. Streamline your business today!
Zippia score 4.4
PharMedium Healthcare Corporation operates as a holding company, which through its subsidiaries, manufactures compounded sterile preparations for acute care hospitals. The company is headquartered in Lake Forest, Illinois. PharMedium Healthcare Corporation operates as a subsidiary of PharMEDium Healthcare Holdings, Inc.
Zippia score 4.1
The Official Website of the Chicago Bears - The charter franchise of the National Football League
Zippia score 4.2
RoundTable Healthcare Management is a private equity firm specializing in investments in middle markets, buyouts, going-private transactions, platform acquisitions, roll-ups and consolidation investments, spin-offs, carve-outs, strategic orphans, and underperforming businesses. It also provides mezzanine financing. The firm does not invest in startup or venture situations.
Zippia score 4.7
Non-U.S. Developed Markets Specialty and Branded Generics Business comprises manufacturing of specialty and generic pharmaceuticals.
Zippia score 4.5
Good health is vital to all of them , and finding sustainable solutions to the most pressing health care challenges of their world cannot wait. That's why they at Pfizer are committed to applying science and their global resources to improve health and well-being at every stage of life. They strive to provide access to safe, effective and affordable medicines and related health care services to the people who need them. They have a leading portfolio of products and medicines that support wellness and prevention, as well as treatment and cures for diseases across a broad range of therapeutic areas; and they have an industry-leading pipeline of promising new products that have the potential to challenge some of the most feared diseases of their time, like Alzheimer's disease and cancer.
Zippia score 4.4
Eurofins is an international group of laboratories headquartered in Luxembourg, providing testing and support services to the pharmaceutical, food, environmental, agriscience and consumer products industries and to governments.
Zippia score 4.5
ITW's products and solutions are at work all over the world, in deep-sea oil rigs, aerospace technology, bridges and wind turbines, healthcare, the spaces in which they live and work, the cars they drive, and the mobile devices they rely on. They are never, whether they know it or not, more than a few steps from an innovative ITW solution. The foundation of their company is the ITW Business Model, a unique and differentiated set of core capabilities and business practices that comprises three key elements: ITW's 80/20 business process, customer-back innovation and a decentralized entrepreneurial culture.
Zippia score 4.3
Northwestern Medicine formerly Northwestern Memorial Healthcare, is a non-profit healthcare system affiliated with the Northwestern University Feinberg School of Medicine, in Chicago, Illinois.
Zippia score 4.2
Hexaware Technologies is a leading global provider of IT & BPO services and consulting. Founded in 1990, today the company has grown to around 5200 employees worldwide, with a goal to help clients achieve competitive advantage by combining their IT staff with offshore resources and to co-develop innovative IT capabilities. Having achieved the rare distinction of SEI CMMI Level 5, ISO 9001 and SAS 70 Type I, the company's core expertise spans development support, integration, implementation and testing services across all major enterprise software systems such as PeopleSoft, Oracle, SAP and Microsoft. With development centers and sales offices throughout the world, Hexaware is headquartered in Mumbai, India and has regional headquarters in New Jersey, London and Singapore.
Zippia score 4.4
APi Group Inc. is a multi-billion-dollar parent company to more than 40 independently managed life safety, energy, specialty construction and infrastructure companies in over 200 locations worldwide. APi Group combines the personal attention of small-to-medium sized construction companies with the strength of an industry leader to bring innovation to the construction industry.
Zippia score 4.7
Alere Inc., formerly Inverness Medical Innovations, Inc., provides diagnostics and health management solutions. The Company's products and services are focused on infectious disease, cardiology, oncology, drugs of abuse and women's health. Its brands range from over-the-counter tests to lab-based diagnostics to integrated home monitoring solutions. The Company's brands include Acceava Mono cassette, Alere Home Monitoring, AtheNA Multi-Lyte Test System, BinaxNOW, Cholestech LDX, Clearview iFOB Complete, Determine HBsAg, DoubleCheckGold and ImmunoComb. The Company has operations in North America, Europe and Middle East, Asia Pacific, and Latin America and Africa.
Zippia score 4.8
ICU Medical connects patients and caregivers through safe, life-saving, life-enhancing medical devices. They provide clinicians around the world with innovative and cost-effective patient care solutions for unmet clinical needs. Their products help clinicians improve patient outcomes by minimizing bacterial ingress that can cause bloodstream infections and preventing exposure to infectious diseases or hazardous drugs. Our diverse product line includes needlefree vascular access devices, custom infusion sets, closed system hazardous drug handling devices and systems, advanced sensor catheters, needlefree closed blood sampling systems, and innovative hemodynamic monitoring systems. These clinically-proven innovations are the result of a unique company culture, supported by visionary leaders and resourceful minds, united by the common desire to redefine the limits of patient and healthcare worker safety.
Zippia score 4.6
Kelly Services, Inc. (Kelly) is a global workforce solutions provider operating throughout the world. Kelly assigns professional and technical employees in the fields of education, legal, health care, and creative services. It has also developed a suite of solutions to help customers manage their workforce. Kelly offers outsourcing, consulting, recruitment, career transition and vendor management services. It operates in seven business segments: Americas Commercial, Americas Professional and Technical (Americas PT), EMEA Commercial, EMEA Professional and Technical (EMEA PT), APAC Commercial, APAC Professional and Technical (APAC PT) and Outsourcing and Consulting Group (OCG). Kelly's workforce solutions are provided to a diversified group of customers through offices in three regions: the Americas, Europe, the Middle East, and Africa (EMEA) and Asia Pacific. On November 16, 2011, it acquired Tradicao Planejamento e Tecnologia de Servicos S.A. and Tradicao Tecnologia e Servicos Ltda.
Zippia score 4.3
Ann & Robert H. Lurie Children's Hospital of Chicago, formerly Children's Memorial Hospital and commonly known as Lurie Children's, is a nationally ranked pediatric acute care children's hospital located in Chicago, Illinois.
Zippia score 4.9
Wintrust Financial Corporation (Wintrust) is a financial services holding company based in Rosemont, Illinois, with assets above $18 billion. The Company engages in the business of providing traditional community banking services, wealth management services, commercial insurance premium financing, mortgage origination, short-term accounts receivable financing, and certain administrative services, such as data processing of payrolls, billing and treasury management services. The Company provides community-oriented, personal and commercial banking services to customers located in the greater Chicago, Illinois and southern Wisconsin metropolitan areas (see map) through its 15 wholly owned banking subsidiaries.
Zippia score 4.6
Trustmark?s history of meeting its customers? financial needs extends back to 1889. Through the years, Trustmark has broadened its customer base by expanding the markets it serves as well as the products and services it provides. After building a statewide banking system in Mississippi, Trustmark entered the insurance industry in 1999. In 2001, Trustmark expanded into the Tennessee market and then entered the Florida and Texas markets in 2003 and 2004, respectively. In 2013, Trustmark expanded its footprint to include the Alabama market. Trustmark Corporation, with $11.5 billion in assets, is a diversified financial services company. We provide banking, wealth management and insurance solutions through our subsidiaries including Trustmark National Bank, TRMK Risk Management, Inc., Trustmark Investment Advisors, Inc. and Fisher Brown Bottrell Insurance, Inc. With locations in Alabama, Florida, Mississippi, Tennessee and Texas, we have over 3,100 associates working to achieve outstanding customer satisfaction by understanding our customers? businesses and needs and providing appropriate financial solutions.
Zippia score 4.8
First Midwest Bank provide more than just solutions. They provide momentum. For your business. Your finances. Your life. They are a Chicago-based bank with deep financial resources. So they can combine size and stability with quick response. A large array of products with close personal service. And a global perspective with strong local knowledge. Whether you're looking for commercial expertise, wealth management, or just a family bank, consider the bank with energy, ideas, and resources.
Zippia score 4.2
We help organizations of all sizes by providing food services that exceeds customers' expectations, so they can focus on their core business.
Zippia score 4.9
Arent Fox LLP is a national white shoe law firm and lobbying firm.
Zippia score 4.1
Bosley is one of the world's most experienced hair restoration expert, having performed over 230,000 hair transplantation procedures, on men and women, from over 60 countries. Founded by Dr. L. Lee Bosley in 1974, the company is a veteran in the field of hair restoration. By always pioneering the latest hair transplant technology, it provides state of the art facilities to its patients, with 23 surgical offices and47consultation offices in the United States, Canada, and Mexico, with its corporate headquarters located in Beverly Hills, California. The company also offers eyebrow restoration treatment, and markets products that facilitate hair growth - such as the FDA approved Laser Comb Elite, suitable for both men and women. Its physicians and counselors have vast experience and knowledge in the field, and offer patients sophisticated treatment, and quality professional guidance.
Zippia score 4.2
Join us at any Francesca's restaurant for deliciously rustic Italian dishes, friendly service and fair prices. See more about Francesca Restaurants.
Zippia score 4.0
Depomed, Inc. is an American specialty pharmaceutical company which mainly markets products for treatment in neurology, pain and diseases of the central nervous system. Depomed was founded in 1995 and is headquartered in Newark, California.
Zippia score 4.2
Mold-Rite Plastics is a leading provider of high-quality, plastic packaging closures, caps, lids and jars used every day by millions of consumers around the globe.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Tenneco | |
| 2 | Grainger | |
| 3 | Hospira | |
| 4 | Packaging Corporation of America | |
| 5 | Pactiv | |
| 6 | Trustmark Insurance Co | |
| 7 | Lake Forest Hospital | |
| 8 | IDEX | |
| 9 | Solo Cup | |
| 10 | Reynolds Consumer Products USA | |
| 11 | Trustmark Mutual Holding Company | |
| 12 | Autoparts Holdings Limited | |
| 13 | FRAM | |
| 14 | Akorn | |
| 15 | Renaissance Acquisition Holdings | |
| 16 | American Medical Instruments Holdings | |
| 17 | Impact Networking | |
| 18 | PharMEDium Healthcare Holdings, Inc. | |
| 19 | Chicago Bears | |
| 20 | RoundTable Healthcare Partners |