The healthcare industry in Illinois plays a vital role in providing medical services and health insurance solutions to millions. It features a mix of companies, ranging from insurance providers and hospitals to healthcare technology firms. These organizations focus on different specialties, including preventative care, chronic disease management, mental health services, and telemedicine. With advancements in technology and a growing emphasis on integrated care, the industry is trend towards innovation, accessibility, and personalized one-on-one care for patients. The rise of value-based care models underscores shifts that favor quality over quantity in healthcare delivery, promoting better patient outcomes and efficiencies.

This list includes a variety of healthcare companies headquartered in Illinois, showcasing various specialties and sizes. From major players like Health Care Service Corporation, founded in 1936, to innovative startups like Zing Health, established in 2019, the organizations span large networks to specialized providers. These companies might employ between 50 to over 28,000 individuals, emphasizing both established firms and new entrants. Their services range from health insurance and care management to technology solutions in primary care addressing current healthcare challenges in the U.S.

Continue reading to discover the top healthcare companies in Illinois.

Top 23 Healthcare Companies Companies in Illinois

1. Health Care Service Corporation

• Website: hcsc.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 99%, Other 1%
• Founded year: 1936
• Headcount: 10001+
• LinkedIn: blue-cross-and-blue-shield-of-illinois-new-mexico-oklahoma-%26-texas

Health Care Service Corporation (HCSC), founded in 1936 and headquartered in Chicago, Illinois, is a prominent health insurance provider in the United States. The company operates as a mutual legal reserve company and is an independent licensee of the Blue Cross Blue Shield Association. HCSC offers a comprehensive range of health benefit solutions, including life, disability, and dental insurance, catering to individuals, families, and businesses. With a workforce of over 28,000 employees, HCSC serves more than 23 million members across Illinois, Montana, New Mexico, Oklahoma, and Texas. The company is dedicated to expanding access to quality, cost-effective care and improving health outcomes through various initiatives, such as community investments and sustainability efforts. HCSC's focus on whole person health integrates physical, mental, and pharmacy services, reflecting their commitment to addressing the evolving healthcare needs of their members.

2. Advocate Health Care

• Website: advocatehealth.com
• Ownership type: Private
• Headquarters: Downers Grove, Illinois, United States (USA)
• Employee distribution: United States (USA) 99%, Other 1%
• Latest funding: $18.0M, October 2013
• Founded year: 1995
• Headcount: 10001+
• LinkedIn: advocate-health-care

Advocate Health Care, based in Downers Grove, Illinois, is a prominent healthcare provider that offers a comprehensive range of medical services. Founded in 1995, the company operates through a network of hospitals and clinics, ensuring that individuals and families have access to essential health services. Advocate Health Care focuses on preventive care and chronic disease management, which are critical in today’s healthcare environment. With over 10,000 employees, the organization is dedicated to delivering exceptional care across various specialties, including cancer care, heart and vascular services, orthopedics, and women's health. The company has also made strides in integrating technology into patient care, exemplified by its LiveWell app, which allows patients to manage their health and wellness conveniently. Advocate Health Care's commitment to community service and patient-centered care positions it as a relevant and active entity in the healthcare industry.

3. VillageMD

• Website: villagemd.com
• Ownership type: Corporate
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $5.2B, October 2021
• Founded year: 2013
• Headcount: 10001+
• LinkedIn: villagemd

VillageMD is a healthcare provider based in Chicago, Illinois, founded in 2013. The company specializes in primary care, multi-specialty care, and urgent care services across the United States. VillageMD is dedicated to enhancing patient outcomes through a value-based care model, which emphasizes quality over quantity in healthcare delivery. They aim to make healthcare more accessible, particularly for individuals who require medical services. With a workforce that understands the communities they serve, VillageMD employs a culturally competent approach to care. The company has received significant funding, totaling $5.2 billion, which underscores its potential for expansion and innovation in the healthcare sector. VillageMD operates various practices, including Village Medical, Village Medical at Home, and CityMD, serving millions of patients through traditional clinics, home visits, and online appointments. Their recent initiatives, such as partnering with The COPD Foundation to support patients during the Medicare Annual Enrollment Period, highlight their commitment to patient education and chronic disease management.

4. Alegis Care

• Website: alegiscare.com
• Ownership type: Corporate
• Headquarters: Chicago, Illinois, United States (USA)
• Latest funding: September 2013
• Founded year: 1995
• Headcount: 201-500
• LinkedIn: alegis-care

Alegis Care, part of Evernorth Health Services, is a health services provider based in Chicago, Illinois. Founded in 1995, the company specializes in a variety of healthcare solutions, including pharmacy services, behavioral health, and home-based care. They cater to health plans, employers, and public sector organizations, focusing on enhancing care delivery while managing costs effectively. With a commitment to innovation, Alegis Care serves millions of members across the United States, addressing complex health needs through tailored solutions. Their operations are designed to improve patient outcomes and streamline healthcare processes, making them a relevant entity in the evolving healthcare landscape.

5. Chartis

• Website: chartis.com
• Ownership type: Private Equity
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: August 2024
• Founded year: 2001
• Headcount: 501-1000
• LinkedIn: the-chartis-group

Chartis is a healthcare consulting company based in Chicago, Illinois, founded in 2001. With a workforce of approximately 3420 employees, Chartis specializes in providing strategic, financial, and operational advisory services to healthcare organizations. Their expertise spans various areas, including strategic planning, digital and technology transformation, clinical transformation, and financial performance improvement. Chartis works closely with hospitals, health systems, and cancer centers to enhance care delivery and operational efficiency. They also focus on critical issues such as health equity and workforce wellness, reflecting their commitment to addressing the evolving needs of the healthcare industry. Their recognition as the best overall management consulting firm by KLAS for four consecutive years highlights their impact and reputation in the healthcare consulting field.

6. Meridian of Illinois

• Website: ilmeridian.com
• Ownership type: Corporate
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $2.5B, May 2018
• Founded year: 1997
• Headcount: 1001-5000
• LinkedIn: meridianhealth-of-illinois

Meridian of Illinois, founded in 1997, is a corporate health insurance provider based in Chicago, Illinois. The company primarily focuses on offering a Medicare-Medicaid Plan (MMP) designed for individuals who qualify for both Medicare and Medicaid. This plan integrates various medical services, including hospital care, outpatient services, and behavioral health support, into a single, coordinated health plan. Meridian aims to simplify healthcare access for its members by providing comprehensive coverage with no plan premium, deductible, or copay when using in-network providers. The company operates entirely within the United States and has a workforce of between 1,001 and 5,000 employees. Notably, Meridian has secured substantial funding, amounting to $2.5 billion, as of May 2018, which underscores its financial backing and potential for growth in the healthcare sector.

7. Zing Health

• Website: myzinghealth.com
• Ownership type: Private Equity
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $140.0M, September 2024
• Founded year: 2019
• Headcount: 11-50
• LinkedIn: zing-health

Zing Health, founded in 2019 and based in Chicago, Illinois, is a healthcare provider specializing in Medicare Advantage plans. The company was established by two African American physician entrepreneurs, Dr. Eric E. Whitaker and Dr. Kenneth Alleyne, alongside healthcare executive Garfield Collins. Zing Health aims to address significant gaps in the healthcare system by offering integrated health services that focus on social determinants of health. This model is designed to improve health outcomes for Medicare beneficiaries, particularly in underserved areas of Illinois, Michigan, and Indiana. Zing Health's services include personalized care plans that involve a holistic team of healthcare professionals, including primary care providers, social workers, and behavioral health specialists. The company has recently secured $140 million in funding, which will support its expansion and enhancement of services, reflecting its commitment to addressing healthcare disparities and improving access to quality care for its members.

8. Hines

• Website: hinesassoc.com
• Ownership type: Corporate
• Headquarters: Elgin, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: July 2021
• Founded year: 1987
• Headcount: 201-500
• LinkedIn: hines-associates-inc

Hines & Associates, Inc., founded in 1987 and based in Elgin, Illinois, is a managed health care company that specializes in personalized health care solutions. The firm provides a range of services aimed at optimizing health care costs and enhancing patient outcomes. Their offerings include consultation, analytics, and case management, which are critical for effective health care delivery. Hines serves a variety of clients, such as third-party administrators, self-funded employers, and health plans, demonstrating their adaptability and commitment to meeting the needs of the healthcare market. The company has achieved URAC accreditation, ensuring that they adhere to high standards in utilization management. As a member of the Global Excel Family, Hines benefits from a robust network that enhances their service capabilities, allowing them to manage complex health care needs effectively.

9. BCS Financial Corporation

• Website: bcsf.com
• Ownership type: Private
• Headquarters: Oakbrook Terrace, Illinois, United States (USA)
• Employee distribution: United States (USA) 95%, Russia 4%, Other 2%
• Founded year: 1953
• Headcount: 51-200
• LinkedIn: bcs-financial-corporation

BCS Financial Corporation, based in Oakbrook Terrace, Illinois, is a private insurance and financial services provider established in 1953. The company specializes in innovative insurance solutions, particularly in the areas of Fixed Indemnity and Stop Loss insurance. Their primary clientele includes Blue Cross Blue Shield companies and various commercial markets across the United States. BCS Financial focuses on managing healthcare costs and offers financial protection against unpredictable claims, which is crucial for self-funded employers. Their product range also includes solutions for gene therapy, reflecting their responsiveness to the evolving healthcare landscape. With a workforce of approximately 219 employees, BCS Financial is committed to delivering tailored insurance products that address the unique needs of their clients, ensuring they remain relevant in the competitive healthcare sector.

10. Guarantee Trust Life Insurance Company

• Website: gtlic.com
• Ownership type: Private
• Headquarters: Glenview, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1936
• Headcount: 201-500
• LinkedIn: guarantee-trust-life-insurance

Guarantee Trust Life Insurance Company (GTL), based in Glenview, Illinois, has been a significant player in the insurance industry since its founding in 1936. The company specializes in supplemental health and life insurance products, offering a range of solutions aimed at helping individuals and groups manage the financial burdens associated with medical expenses. GTL's product lineup includes hospital indemnity insurance, cancer insurance, short-term care insurance, and Medicare supplements, among others. These offerings are particularly relevant in today's healthcare environment, where out-of-pocket costs can be substantial. GTL has also made strides in addressing specific health concerns, such as being one of the first insurers to offer life insurance to individuals with HIV. Their innovative approach is further exemplified by their Precision Care Cancer Insurance, which provides access to advanced genomic sequencing services. With a workforce of approximately 291 employees, GTL remains committed to delivering personalized service and support to its policyholders, ensuring they have the necessary coverage to navigate unexpected health challenges.

11. Clear Spring Health

• Website: clearspringhealthcare.com
• Ownership type: Private
• Headquarters: Park Ridge, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2017
• Headcount: 51-200
• LinkedIn: clearspringhealth

Clear Spring Health, founded in 2017 and based in Park Ridge, Illinois, is a private health insurance provider that focuses on Medicare Advantage plans. The company serves Medicare beneficiaries across several states, including Colorado, Georgia, and Illinois. Clear Spring Health offers a variety of plans designed to meet the unique needs of its members, including options for chronic illnesses and additional benefits such as dental and prescription drug coverage. The company emphasizes affordability, with many of its plans featuring $0 premiums and copays for primary care visits. Clear Spring Health operates under a contract with Medicare, allowing it to provide HMO, PPO, and PDP plans, which are subject to annual contract renewal with the federal government. This positioning within the Medicare market highlights its role in providing essential healthcare services to a growing demographic of older adults.

12. Allied Benefit Systems

• Website: alliedbenefit.com
• Ownership type: Private Equity
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 99%
• Latest funding: February 2021
• Founded year: 1980
• Headcount: 501-1000
• LinkedIn: allied-benefit-systems

Allied Benefit Systems, based in Chicago, Illinois, is a healthcare solutions provider that has been operational since 1980. The company specializes in creating custom health insurance plans and offering administrative services tailored to the needs of employers. With a workforce of approximately 575 employees, Allied focuses on helping organizations manage healthcare costs while enhancing employee benefits. They are recognized as the largest independent third-party administrator in the United States, which underscores their significant presence in the healthcare industry. Allied's services include administrative support, analytics, and care solutions, all designed to foster healthier workplace environments. Their approach integrates medical management innovations and cost-control strategies, making them a valuable partner for businesses aiming to take control of their healthcare offerings.

13. Walgreens Clinical Trials

• Website: walgreenshealth.com
• Ownership type: Corporate
• Headquarters: Deerfield, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $525.0M, June 2011
• Founded year: 1991
• Headcount: 10001+
• LinkedIn: walgreens-clinical-trials

Walgreens Clinical Trials, part of Walgreens Boots Alliance, is a healthcare and retail company based in Deerfield, Illinois. Founded in 1991, Walgreens provides a wide array of pharmacy services, health and wellness products, and healthcare solutions. The company operates a vast network of retail locations across the United States, making medications, immunizations, and health consultations accessible to consumers and organizations alike. Walgreens Clinical Trials plays a crucial role in advancing medical research by facilitating clinical trials, which are essential for the development of new therapies and treatments. Their commitment to health equity and community health initiatives further underscores their relevance in the healthcare industry, as they strive to improve access to care for underserved populations. Walgreens has also received substantial funding, amounting to $525 million, which supports their ongoing efforts in healthcare innovation and service delivery.

14. Maestro Health

• Website: maestrohealth.com
• Ownership type: Corporate
• Headquarters: Chicago, Illinois, United States (USA)
• Latest funding: December 2023
• Founded year: 2013
• Headcount: 201-500
• LinkedIn: maestro-healthcare-technology

Maestro Health, a brand of Marpai, Inc., is a healthcare administration firm based in Chicago, Illinois. Founded in 2013, the company specializes in self-funded health plans and third-party administration services. Maestro Health offers a range of products, including pharmacy benefits management and care management services, primarily targeting employers. Their mission is to help organizations optimize healthcare costs while enhancing the health outcomes of employees and their families. By leveraging technology, Maestro Health aims to improve the member experience and streamline health plan management. Their services include comprehensive plan administration, proactive member services, and effective cost containment strategies, making them a notable entity in the healthcare administration space.

15. Springfield Clinic

• Website: springfieldclinic.com
• Ownership type: Family Owned
• Headquarters: Springfield, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1939
• Headcount: 1001-5000
• LinkedIn: springfield-clinic

Springfield Clinic, based in Springfield, Illinois, is a family-owned healthcare provider that has been serving the community since 1939. The clinic offers a comprehensive range of medical services, including urgent care, specialty care, and telehealth options, ensuring that patients have access to quality healthcare tailored to their needs. With a workforce of approximately 1,819 employees, Springfield Clinic is dedicated to delivering patient-centered programs and services across various medical specialties. The clinic also emphasizes community involvement and outreach, reflecting its commitment to improving health outcomes in the region. By integrating advanced technology and clinical research into its operations, Springfield Clinic aims to enhance the overall patient experience and maintain its relevance in the evolving healthcare landscape.

16. HealthJoy

• Website: healthjoy.com
• Ownership type: Venture Capital
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 59%, Ukraine 36%, Other 5%
• Latest funding: Series D, $60.0M, October 2022
• Founded year: 2014
• Headcount: 201-500
• LinkedIn: healthjoy

HealthJoy, founded in 2014 and based in Chicago, Illinois, is a healthcare technology company that specializes in care navigation. Their platform is designed to assist employees in efficiently accessing high-quality healthcare services. HealthJoy's offerings include a range of virtual care solutions such as virtual primary care, musculoskeletal care, urgent care, and behavioral health services. They also provide employee assistance programs (EAP) and chronic care management, targeting businesses that aim to enhance their employee health benefits while reducing overall healthcare costs. The company has garnered significant attention in the industry, securing $60 million in Series D funding in October 2022, which underscores its growth trajectory and the increasing demand for its services. HealthJoy's integrated approach not only supports employee health but also aims to improve satisfaction and reduce healthcare spending for employers.

17. Southland Care Coordination Partners, INC.

• Website: southlandccp.com
• Ownership type: Private
• Headquarters: Matteson, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2011
• Headcount: 1-10
• LinkedIn: southland-care-coordination-partners-inc.

Southland Care Coordination Partners, INC. is a private healthcare service provider based in Matteson, Illinois, established in 2011. The company specializes in care coordination and management services tailored for health plans and healthcare providers. Their mission is to enhance health outcomes for members by offering a range of services, including clinical risk adjustment and population health management. Southland Care Coordination Partners operates primarily within the healthcare industry, focusing on Medicaid, Medicare, and commercial health plan members. They have developed a reputation for their performance-centric approach, employing a team of highly trained clinicians and member navigators to deliver effective care management. The company has also been recognized for its rapid growth, ranking among the INC. 5000 fastest-growing private companies. Their commitment to a holistic view of health, which includes mental, social, and economic factors, reflects a modern understanding of healthcare needs. They have established partnerships with various health plans and organizations to improve care delivery and outcomes for their members.

18. Solvera Health

• Website: solverahealth.com
• Ownership type: Private
• Headquarters: Peoria, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2021
• Headcount: 51-200
• LinkedIn: solvera-health

Solvera Health, based in Peoria, Illinois, is a private healthcare provider that was founded in 2021. The company offers a comprehensive suite of medical services, including primary care, audiology, women's health, lab and imaging, pharmacy, and physical therapy. With locations in Peoria, Carbondale, and Galesburg, Solvera Health aims to provide accessible and affordable healthcare solutions to individuals in the region. The organization prides itself on a patient-centered approach, emphasizing hospitality in healthcare delivery. Solvera Health also offers care management and workplace wellness programs, indicating its commitment to holistic health solutions. The company has not reported any funding, suggesting it is self-sustained at this stage of its development.

19. Delta Dental of Illinois

• Website: deltadentalil.com
• Ownership type: Private
• Headquarters: Naperville, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1967
• Headcount: 51-200
• LinkedIn: delta-dental-of-illinois

Delta Dental of Illinois, founded in 1967 and based in Naperville, Illinois, is a private insurance provider specializing in dental and vision insurance services. With a workforce of approximately 138 employees, the company focuses on enhancing access to oral and visual healthcare for individuals, families, and groups. Their offerings include a variety of insurance plans tailored to meet the needs of different demographics. Notably, Delta Dental of Illinois has embraced technology by providing virtual dental visits, allowing members to consult with dentists remotely. This service is part of their commitment to making healthcare more accessible. Furthermore, the company actively engages in community initiatives, investing nearly $2 million to support oral health education and improve access to quality care across Illinois. Through these efforts, Delta Dental of Illinois demonstrates its dedication to not only providing insurance but also fostering overall health and well-being in the communities it serves.

20. VistaNational Insurance Group, Inc.

• Website: vistanational.com
• Ownership type: Corporate
• Headquarters: Oak Brook, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: September 2022
• Founded year: 1996
• Headcount: 11-50
• LinkedIn: vistanational-insurance-group-inc.

VistaNational Insurance Group, Inc., founded in 1996 and based in Oak Brook, Illinois, is an insurance agency that specializes in employee benefits. With a team of experienced professionals, many of whom have backgrounds in healthcare insurance, VistaNational offers a comprehensive range of products including health, dental, life, and disability insurance. They also provide wellness programs and telemedicine services, catering primarily to businesses looking to enhance their employee benefits while managing costs and compliance. The company prides itself on its customer-centric approach, offering personalized support and innovative solutions to meet the unique needs of its clients. Their services extend beyond traditional insurance offerings, incorporating tools and resources that assist employers in navigating the complexities of employee benefits. This commitment to service and expertise in the field positions VistaNational as a notable entity within the healthcare sector.

21. Vitality Group Inc.

• Website: vitalitygroup.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 54%, South Africa 25%, United Kingdom (UK) 19%, Other 2%
• Founded year: 2005
• Headcount: 201-500
• LinkedIn: the-vitality-group-inc-

Vitality Group Inc., based in Chicago, Illinois, is a health engagement company founded in 2005. With a workforce of approximately 553 employees, the company specializes in behavior change programs and wellness solutions tailored for health plans and employers. Vitality Group aims to enhance health outcomes while simultaneously reducing costs through personalized engagement strategies. Their platform leverages data and technology to create meaningful member experiences, encouraging healthier behaviors across various demographics. Vitality has established itself as a significant player in the health engagement space, focusing on optimizing existing health programs rather than replacing them. Their approach has shown measurable results, including reductions in claims costs and improvements in member health metrics. Vitality Group operates internationally, with a notable presence in the United States, South Africa, and the United Kingdom, reflecting its global reach and commitment to health improvement.

22. TVG-Medulla, LLC

• Website: medullallc.com
• Ownership type: Private
• Headquarters: Oak Brook, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2014
• Headcount: 501-1000
• LinkedIn: medulla-llc-healthcare-management-services

TVG-Medulla, LLC, founded in 2014 and based in Oak Brook, Illinois, is a private healthcare organization that specializes in chiropractic care and pain management. The company operates through its two primary brands: Chiro One Wellness Centers and MyoCore Personalized Pain Care. Chiro One focuses on providing comprehensive chiropractic services, emphasizing customized treatments for pain patients across its 100+ clinics in the Midwest and beyond. MyoCore, on the other hand, operates within a hospital environment, offering tailored treatments for acute and chronic pain, collaborating closely with other healthcare professionals. TVG-Medulla supports these brands with a range of management services, including marketing, clinical operations, and human resources, ensuring high-quality care and consistent practices. The organization serves over 656,000 patients each year, reflecting its significant impact in the chiropractic field. Their approach aligns with the Joint Commission's recommendations for non-opioid treatment options, further solidifying their relevance in today's healthcare landscape.

23. MoreCare

• Website: mymorecare.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2018
• Headcount: 11-50
• LinkedIn: morecare

MoreCare, based in Chicago, Illinois, is a private health insurance provider that specializes in offering health maintenance organization (HMO) plans and prescription drug coverage. Established in 2018, the company aims to serve individuals seeking affordable healthcare solutions. MoreCare provides a range of resources, including a searchable pharmacy directory and medication management services, to assist customers in managing their healthcare needs effectively. Their plans include options tailored for specific populations, such as the MoreCare + (HMO C-SNP) and MoreCare Home (HMO I-SNP), indicating a focus on personalized care. The company operates entirely within the United States and has a small team of approximately 38 employees, reflecting its status as a growing entity in the healthcare sector.

Healthcare Companies Insights: Key Companies in Illinois

Company	Headquarter	Size	Founded	Ownership
Health Care Service Corporation	Chicago, Illinois, United States (USA)	10001+	1936	Private
Advocate Health Care	Downers Grove, Illinois, United States (USA)	10001+	1995	Private
VillageMD	Chicago, Illinois, United States (USA)	10001+	2013	Corporate
Alegis Care	Chicago, Illinois, United States (USA)	201-500	1995	Corporate
Chartis	Chicago, Illinois, United States (USA)	501-1000	2001	Private Equity
Meridian of Illinois	Chicago, Illinois, United States (USA)	1001-5000	1997	Corporate
Zing Health	Chicago, Illinois, United States (USA)	11-50	2019	Private Equity
Hines	Elgin, Illinois, United States (USA)	201-500	1987	Corporate
BCS Financial Corporation	Oakbrook Terrace, Illinois, United States (USA)	51-200	1953	Private
Guarantee Trust Life Insurance Company	Glenview, Illinois, United States (USA)	201-500	1936	Private
Clear Spring Health	Park Ridge, Illinois, United States (USA)	51-200	2017	Private
Allied Benefit Systems	Chicago, Illinois, United States (USA)	501-1000	1980	Private Equity
Walgreens Clinical Trials	Deerfield, Illinois, United States (USA)	10001+	1991	Corporate
Maestro Health	Chicago, Illinois, United States (USA)	201-500	2013	Corporate
Springfield Clinic	Springfield, Illinois, United States (USA)	1001-5000	1939	Family Owned
HealthJoy	Chicago, Illinois, United States (USA)	201-500	2014	Venture Capital
Southland Care Coordination Partners, INC.	Matteson, Illinois, United States (USA)	1-10	2011	Private
Solvera Health	Peoria, Illinois, United States (USA)	51-200	2021	Private
Delta Dental of Illinois	Naperville, Illinois, United States (USA)	51-200	1967	Private
VistaNational Insurance Group, Inc.	Oak Brook, Illinois, United States (USA)	11-50	1996	Corporate
Vitality Group Inc.	Chicago, Illinois, United States (USA)	201-500	2005	Private
TVG-Medulla, LLC	Oak Brook, Illinois, United States (USA)	501-1000	2014	Private
MoreCare	Chicago, Illinois, United States (USA)	11-50	2018	Private

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