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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 3.2
Welcome to the City of Rockford Official Facebook fan page! Become our fan to keep up with what's going on around Rockford.
Zippia score 4.2
Truck Components Online is dedicated to bringing you the best aftermarket parts and accessories for your vehicle.
Zippia score 4.5
A tradition of care, a commitment to excellence. Rockford Health System, located in Rockford, Illinois, is the largest health system.
Zippia score 3.5
Swedish American has been serving people for more than a century now. As a division of UW Health, Swedish American offers patients with local access to many world-class specialists in Rockford. It is the largest cancer center and the only heart hospital in the region.
Zippia score 4.6
Bergstrom Inc. designs, manufactures, and supplies cab climate systems for commercial trucks, off-highway machines, military vehicles, and other specialty vehicles. The company also offers aftermarket services and programs that include customer and dealer support, marketing, merchandising, private label, and product engineering services. In addition, it provides contract assembly services for off-road machines, which include track-type tractors, motor graders, wheel loaders, wheel tractor scrapers, and off-highway trucks; facility and workforce management services; and batteries and chargers, inverters, HVAC parts, and tools. It serves heavy duty trucking, construction, agriculture, bus and specialty, military, mining, foundry, off-shore drilling, logging, shipyard, sport fishing, niche automotive, and transportation refrigeration markets. The company offers its products through distributors in North America, Europe, the United Kingdom, Spain, China, and internationally. Bergstrom Inc. was founded in 1949 and is based in Rockford, Illinois. It has additional facilities in Rockford and Joilet, Illinois; San Antonio, Texas; Ystrad Mynach, United Kingdom; Madrid, Spain; and Changzhou, China.
Zippia score 3.5
We tell local Rockford news & weather stories, and we do what we do to make Rockford & the rest of Illinois a better place to live.
Zippia score 4.4
Greenlee is the premier source for professional grade tools when it comes to installing wire and cable. From hole making and bending to test and measurement, you can depend on Greenlee tools to outlast and outperform the competition every time. Greenlee is there with you - working to make your job faster, safer and easier.
Zippia score 4.1
Rosecrance is a longstanding provider of addiction treatment centers and drug abuse recovery. (866) 330-8729. Comprehensive, Licensed Behavioral Health Treatment and Addiction Treatment Centers for Teens, Young Adults, and Adults in Illinois, Iowa and ...
Zippia score 4.7
Haldex Hydraulics Corporation engages in the design, development, manufacture, and supply of hydraulic systems for original equipment manufacturers in the vehicle industry. Its products include emissions reduction systems; electrohydraulic power systems for mobile equipment and industrial equipment markets; hydraulic fan drive systems; and hydraulic fluid motors/flow dividers. The company also offers hydraulic gear pumps for a range of equipment applications, including material handling, agricultural, construction and paving to aerial lifts, and winch and turf care. Haldex Hydraulics distributes its products in the United States, Canada, Mexico, Europe, the Middle East, Australia, Asia, Africa, and South America. It has manufacturing plants in Rockford, Illinois; Statesville, North Carolina; Hof, Germany; and Sk nes Fagerhult, Sweden. The company was founded in 1929 and is based in Rockford, Illinois. Haldex Hydraulics Corporation operates as a subsidiary of Haldex AB.
Zippia score 4.2
Rubloff Jet Express, LLC owns and operates Boeing aircrafts that are leased and operated by yan International Airlines, Inc. It offers its services to tour companies and the military. The company was incorporated in 2003 and is based in Rockford, Illinois. Rubloff Jet Express, LLC operates as a subsidiary of Rubloff Development Group, Inc.
Zippia score 3.9
A world leader in the design and manufacture of milling, turning, and holemaking tools, an expert in project - focused engineering of special cutting tool solutions, and a provider of a full range of metal removal technology for all industries.
Zippia score 3.9
The Rockford Register Star is the primary daily newspaper of the Rockford, Illinois, metropolitan area.
Zippia score 3.5
Goodwill Industries of Northern Illinois
Zippia score 3.8
Operates A Civic Or Social Association, Specializing As A Youth Organization. Operates A Physical Fitness Facility. Provides Child Day Care Services. Operates Sporting Or Recreational Camps, SpeciaLizing In Youth Camps. Provides Individual Or Family Social Services.
Zippia score 4.1
Located in Rockford, Illinois, one of the most comprehensive metals service centers in the Midwest. Ferrous, non-ferrous steel, aluminum and coiled metals and a full range of metals processing.
Zippia score 4.0
Numerous learning options and programs leading to highly marketable careers are two exciting features of a Rock Valley College education. A full-fledged community college located in Rockford, Illinois, Rock Valley offers over 100 degree and certificate programs leading to such careers as dental hygienist, nurse, surgical technologist, firefighter, human services professional and computer specialist. Rock Valley also awards associate's degrees in the liberal arts and sciences to prepare one for transfer to a four-year school. Making the pathway to academic and career success as easy as possible, Rock Valley offers such alternative programs as the Afternoon College. This consists of accelerated eight-week classes held in the afternoon hours. Some of Rock Valley's other innovative learning methods include the “Eagle” distance education option and even an “iTunes University” which allows students to access lectures through podcasts. Rock Valley's extracurricular activities also serve as sources for learning as well as personal development. In addition to two student publications, Rock Valley has over 30 student organizations including a Japanese multimedia club, a music educators club, and a dental hygienists club. Career and academic counseling and services as well as financial aid for eligible students are all available at Rock Valley.
Zippia score 4.2
Information Controls, Inc. is a privately held Illinois corporation founded in 1986. Rooted in the demand for professional and cost-effective outsourced services, Information Controls started as a document imaging business, and has grown to include its time and attendance division. Information Controls' time and attendance division, now known as the Human Capital Management division provides solutions to help employers control and monitor their workforce. We have helped companies in diverse industries track over half a million employees' time and attendance. From 10 employees to 25,000 employees, Information Controls can help you manage your time and attendance needs. From employee punches to electronic transmission to your payroll service, Information Controls prides itself on its quality custom integration services. They operate in Wisconsin and Illinois serving customers nationwide, with their headquarters in Rockford, Illinois. There are remote offices located in Racine, Wisconsin, Appleton, Wisconsin and Northfield, Illinois. The Document Imaging division specializes in high-volume document scanning using the latest scanning hardware and software. Over the years they have continued to sell and process microfilm, and have expanded to include and fulfill today's latest document imaging needs. From patient health records to accounts payable documents, we provide paper-to-digital image conversion services for customer applications. Information Controls produces millions of images each year and strives to meet customer needs by offering regional pick-up and delivery and safe storage. Information Controls has an award-winning Systems Support Department that is committed to providing a response to a customer inquiry within two hours. Their experienced staff, in all divisions, is dedicated to providing the same quality service and support that we have provided to their clients for over 25 years.
Zippia score 4.4
Road Ranger, L.L.C. is primarily engaged in subdividing real property into lots, except cemetery lots, and in developing it for resale on their own account.
Zippia score 4.2
Zippia score 3.9
"Care Within Reach"Crusader Community Health serves the Rock River Valley area with quality primary health care for all people in need.
Zippia score 4.1
Allied Universal provides unparalleled service, systems, and solutions to serve, secure, and care for the people and businesses in their communities. Their relationships with their employees and clients are at the heart of everything they do, each and every day. This dependable company offers security services, security systems, janitorial and staffing services.
Zippia score 4.4
HCL Technologies Limited is an Indian multinational information technology service and consulting company headquartered in Noida, Uttar Pradesh. It is a subsidiary of HCL Enterprise.
Zippia score 4.6
Thermo Fisher Scientific Inc. (NYSE: TMO) is the world leader in serving science. Their mission is to enable their customers to make the world healthier, cleaner and safer. With revenues of more than $10 billion, they have approximately 35,000 employees and serve customers within pharmaceutical and biotech companies, hospitals and clinical diagnostic labs, universities, research institutions and government agencies, as well as in environmental and process control industries. They create value for their key stakeholders through two premier brands, Thermo Scientific and Fisher Scientific, which offer a unique combination of continuous technology development and the most convenient purchasing options. Their products and services help accelerate the pace of scientific discovery, and solve analytical challenges ranging from complex research to routine testing to field applications.
Zippia score 4.6
Raytheon is a technology and innovation leader specializing in defense, homeland security and other government markets throughout the world. With a history of innovation spanning 87 years, Raytheon provides state-of-the-art electronics, mission systems integration and other capabilities in the areas of sensing; effects; and command, control, communications and intelligence systems, as well as a broad range of mission support services.
Zippia score 4.4
Mercy Health was founded in 1986 by the Sisters of Mercy. In 1989, two regional communities of the Sisters of Mercy agreed to co-sponsor our health system as an innovative way to preserve and enhance both of their health ministries. In 1995, they welcomed the Grey Nuns as sponsors, and in 1996, the Grey Nuns transferred sponsorship of their health ministry to Covenant Health Systems. Also in 1996, Mercy Health welcomed the Sisters of the Humility of Mary as sponsors. The Franciscan Sisters of the Poor joined as sponsors in 1999.
Zippia score 4.1
KinderCare Education, we believe education creates brighter futures. We are passionate about creating a world of learning, joy, and adventure for more than 169,000 children every day. Our devoted family of education providers leads the nation in accreditation and includes KinderCare Learning Centers, CCLC , Champions Before- and After-School Programs, Cambridge SchoolsTM, Knowledge Beginnings and The Grove School .
Zippia score 4.3
Hanson Professional Services Inc. (Hanson) is a national consulting firm providing engineering, planning and allied services. Call Hanson at 1-800-788-2450.
Zippia score 4.8
OSF HealthCare is an integrated health care network serving the patients and families of central and northern Illinois and northern Michigan. OSF HealthCare, owned and operated by The Sisters of the Third Order of St. Francis, Peoria, Illinois, includes OSF Healthcare System consisting of eight acute care facilities and two colleges of nursing. It also has a primary care physician network consisting of over 600 primary care, specialist physicians, and advanced practice providers. OSF HealthCare owns OSF Saint Francis, Inc., comprised of health care-related businesses, and OSF Healthcare Foundation, the philanthropic arm of OSF Healthcare System and OSF Home Care Services. OSF HealthCare is a multi-state corporation, operating facilities in Illinois and Michigan, providing state-of-the-art, compassionate care to more than 2.5 million people in the communities they serve.
Zippia score 4.5
Stericycle is a global services company. They provide highly specialized solutions serving healthcare organizations and commercial businesses of every size and shape. Throughout the last 25 years, they have grown from a small start-up in medical waste management into a leader across a range of increasingly complex and highly regulated arenas, such as:Brand protection solutions, Environmental & sustainable solutions, Patient & customer communication solutions, and Regulated waste management & compliance solutions. From the start they have challenged the status quo of what a business solution can be. By identifying unmet needs, they have redefined and transformed multiple industries from a narrowly defined service category to a robust suite of solutions that customers need and want. Their success with this strategy has landed Stericycle among the Fortune 1000 list and Forbes 25 Most Innovative Companies. Stericycle now conducts business in Argentina, Brazil, Canada, Chile, Ireland, Japan, Mexico, Portugal, Republic of Korea, Romania, Spain, the United Kingdom and the United States. They continue exploring new opportunities that enhance and complement their compliance-based services around the globe.
Zippia score 4.9
Owens Corning develops, manufactures, and markets insulation, roofing, and fiberglass composite. Based in Toledo, Ohio, Owens Corning made $6. 4 billion in sales in 2017 and currently employs approximatelly 19,000 people in 37 countries. Founded in 1938, the company remains as a Fortune 500(r) company due to its deep expertise in materials, manufacturing, and building science. The company's mission is to enhance lives and the communities in which we live by providing excellent service and products.
Zippia score 4.7
Schnuck Markets, Inc. have been serving customers a unique combination of quality food, variety and value for more than seven decades. Founded in north St. Louis in 1939, the family-owned grocery company has grown to include nearly 100 stores in five states: Missouri, Illinois, Indiana, Wisconsin and Iowa.
Zippia score 4.5
The TRUMPF Group is a German industrial machine manufacturing company.
Zippia score 4.4
Your Pay; Our Priority. Quest Trucking Team Truck Drivers are making $185,000 and up. Ready? Apply Now!
Zippia score 4.4
RSM US LLP (formerly McGladrey LLP) is the leading provider of audit, tax and consulting services focused on the middle market, with 9,000 people in 86 offices nationwide. It is a licensed CPA firm and the U.S. member of RSM International, a global network of independent audit, tax and consulting firms with more than 38,300 people in over 120 countries.
Zippia score 4.3
Nexstar Media Group, Inc. is one of the world's leading diversified media companies. Nexstar owns, operates, programs or provides sales and other services to 174 television stations and their related low power and digital multicast signal. The company also brings services and value to consumers and advertisers through its television, digital and mobile media platforms. Its digital solutions and services are delivered to local and national media companies, advertisers, agencies and brands.
Zippia score 4.6
Belcan Corp. is global supplier of engineering services to a diverse spectrum of industries. With more than 3,000 engineers and 20 locations, we are among the largest engineering companies in the U.S.
Zippia score 4.2
Cyient, Inc. is a provider of engineering design, manufacturing, digital and technology services.
Zippia score 4.1
Bell American Group, LLC operates restaurants in Kentucky, Illinois, and Indiana. Bell American Group, LLC was formerly known as Southern Bells, Inc. and changed its name to Bell American Group, LLC in January 2013. The company was founded in 1982 and is based in Indianapolis, Indiana. As of December 17, 2012, Bell American Group, LLC operates as a subsidiary of Apple American Group, LLC.
Zippia score 4.0
Aspen Dental Management, Inc. is a dental support organization - a dental practice management corporation that provides business support and administrative services in the US. Its headquarters is in DeWitt, New York.
Zippia score 3.7
Potbelly Corporation is a publicly traded American fast-casual restaurant chain that focuses on submarine sandwiches and milkshakes.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | City of Rockford | |
| 2 | TRUCK COMPONENTS | |
| 3 | Rockford Memorial Hospital Association | |
| 4 | SwedishAmerican | |
| 5 | Bergstrom | |
| 6 | Eyewitness News | |
| 7 | Greenlee | |
| 8 | Rosecrance | |
| 9 | Haldex Hydraulics Corporation | |
| 10 | Rubloff Jet Express LLC | |
| 11 | Ingersoll Cutting Tools | |
| 12 | Rockford Register Star | |
| 13 | Goodwill Industries of Northern Illinois | |
| 14 | YMCA of Rock River Valley | |
| 15 | Liebovich Steel & Aluminum | |
| 16 | Rock Valley College | |
| 17 | Information Controls | |
| 18 | REOPCO | |
| 19 | Ryan International Airlines | |
| 20 | Crusader Community Health |