Major Employers in McHenry County

Top 15 Largest EmployersNature of Business# Employees
Centegra Health System
Healthcare/hospital 3650
District 158
Consolidated School District 158 serves 9,300 students in Pre-K through grade 12. 1500
McHenry County
County Government 1400
Follett Library Resources, Inc.
Wholesale library & classroom books 1378
Follett Software Co.
Education, Software, Solutions  
Catalent Pharma Solutions
Blow-fill-seal, sterile manufacturing, and packaging services 830
Mercy Health System
Integrated health care delivery system 732
Snap-On Tools Co.
Distribution customer service and repair centers 590
Sage Products, Inc.
Manufacturer of interventional patient hygiene products 583
Healthcare/breast pumps 540
McHenry County College
Educational Institution 500
Knaack Manufacturing Co.
Manufacturer of jobsite, truck, and van tool storage equipment 500
Underground and overhead utility contractor 490

Aptar Group, Inc.   

Designer and Manufacturer of consumer dispensing systems 475
Charter Dura-Bar
Manufacturer of continuous cast iron bar 290

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