CoreSource overview

One of the nation's largest health plan administrators recognized for delivering integrated, customized self-funded solutions
Founded in 1991, CoreSource is an established company that loves to hire graduates from University of Phoenix, with 17.3% of its employees having attended University of Phoenix. CoreSource has established itself as a great place to work in Illinois, and it is number 19 on Zippia's list of Best Companies to Work for in Lake Forest, IL.
Based in Illinois, CoreSource is a key player in the insurance industry with 1,887 employees and an annual revenue of $137.2M.

The Organization’s Mission

To empower you to be a more confident, informed healthcare consumer to help improve your health and save you money on healthcare.







Founded in



Lake Forest, IL


Organization Type


Is This Your Company?

The team at CoreSource

Key People
  • Natalie Smith (Executive Director)

What do people say about CoreSource

Work at CoreSource ? Share your experience anonymously.

What do you like about working for CoreSource?

CoreSource Rankings

CoreSource is ranked #36 on the Best Insurance Companies to Work For in Illinois list. Zippia's Best Places to Work lists provide unbiased, data-based evaluations of companies. Rankings are based on government and proprietary data on salaries, company financial health, and employee diversity.

Read more about how we rank companies.

CoreSource careers

On average, employees at CoreSource stay with the company for 4.5 years. Employees most commonly join CoreSource after leaving UnitedHealth Group. When they leave CoreSource, they most frequently get their next job at Adecco Staffing, USA.

Average Length of Employment
Trustmark4.7 years


4.5 years
Top Employers Before CoreSource
Cigna10.0 %
Show More
Top Employers After CoreSource
Aetna6.6 %
Show More

Do you Work At CoreSource?

Help us make this company more transparent.


CoreSource Financial Performance

Performance Score
We calculated the performance score of companies by measuring multiple factors, including revenue, longevity, and stock market performance.


$100M - $1B

Founded in


Organization type


How Would You Rate The Company Culture Of CoreSource?

Have you worked at CoreSource? Help other job seekers by rating CoreSource.

CoreSource Competitors

Frequently Asked Questions about CoreSource

When was CoreSource founded?

CoreSource was founded in 1991.

How many Employees does CoreSource have?

CoreSource has 1,887 employees.

How much money does CoreSource make?

CoreSource generates $137.2M in revenue.

What industry is CoreSource in?

CoreSource is in the insurance industry.

What is CoreSource's mission?

CoreSource's mission statement is "To empower you to be a more confident, informed healthcare consumer to help improve your health and save you money on healthcare."

What type of company is CoreSource?

CoreSource is a private company.

Who are CoreSource's competitors?

CoreSource competitors include Medical Mutual of Ohio, Trustmark, Mueller Services, Cigna, WPS Health Insurance, CBCA, Claims Administration, MedCost, EMPLOYEE BENEFIT MANAGEMENT, Keystone Health Plan East, General American Mutual Holding Company, TrailBlazer Health Enterprises, Regence Blue Shield of Idaho, Key Benefit Administrators, Associated Third Party Administrators, Amalgamated Life Insurance Company, The Warranty Group, Blue Cross and Blue Shield of Alabama, BeneSys, QualChoice.

Who works at CoreSource?

Natalie Smith (Executive Director)

Are you an executive, HR leader, or brand manager at CoreSource?

Claiming and updating your company profile on Zippia is free and easy.

You can find out what it is like to work at CoreSource, also known as CORESOURCE INC, CoreSource, CoreSource Inc, CoreSource, Inc. and Coresource.

Zippia gives an in-depth look into the details of CoreSource, including salaries, political affiliations, employee data, and more, in order to inform job seekers about CoreSource. The employee data is based on information from people who have self-reported their past or current employments at CoreSource. While we have made attempts to ensure that the information displayed are correct, Zippia is not responsible for any errors or omissions, or for the results obtained from the use of this information. The data presented on this page does not represent the view of CoreSource and its employees or that of Zippia.