Ten large companies and 20 small and mid-sized firms will be recognized by as the “Best Places to Work in Illinois” at a reception from 4:30-7:30 p.m. June 4 at the Oak Brook Hills Marriott.

The statewide competition is co-sponsored by The Business Ledger, the Illinois Chapter of the Society of Human Resource Managers and The Illinois State Chamber of Commerce.

The top-to-bottom rankings of the selected companies—from 1-10 in the large company division and from 1-20 in the small to mid-sized category—will be revealed at that time.

The event is open to the public at $45 per person for the reception, appetizers and dessert. Each purchased ticket includes a one-year subscription to The Business Ledger. For more information on the event and to download an invitation, visit ww.thebusinessledger.com.

The rankings were determined through a criteria developed by Best Companies Group, of Harrisburg, Pa., following employee surveys and interviews.

“We are pleased to recognize the best places to work in our state,” said James E. Elsener, president of Ledger Publishing, Inc., and publisher of The Business Ledger. “The quality of the top firms in each category is extremely high and we’re confident they take great pride in being selected.”

The top large companies (250 or more employees) are:

•Advocate Healthcare

•ATI Physical Therapy

•CEFCU

•Comprehensive Therapeutics, Ltd.

•Delnor Health System

•Draftfcb

•Edward Jones

•Erickson Retirement Communities, LLC

•Quest Diagnostics

•Rush-Copley Medical Center

The top small to mid-sized companies (25-249 employees) are:

•Assurance

•ChapterHouse, LLC
•Clayco, Inc.

•Duke Realty Corporation

•Easter Seals DuPage and the Fox Valley Region

•iCyt Mission Technology, Inc.

•Impact Networking LLC

•Laurus Strategies

•Levenfeld Pearlstein, LLC

•Lockton Companies, LLC

•Marquette Group

•National Futures Association

•Omni Chicago Hotel

•Porte Brown LLC
•Rippinger Financial Group of Companies

•Shakespeare Squared

•Tasty Catering

•The Mueller Companies

•Thomas Interior Systems

•Wine Sergi & Co. LLC