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Business Technology Firms
Ranked by number of employees
Company
Address • Phone • Website
Top Local Executive
Title
Year Founded
Local Employees
Specialties
Notable Clients

Wipfli LLP
100 Tri-State International, Suite 300, Lincolnshire 60069 • 847-941-0100 • wipfli.com
Gary Shutan, regional leader
1930
404
Advisory firm that delivers holistic solutions to help clients navigate the modern marketplace, optimize performance and drive growth. Our more than 3,200 associates deliver strategy and financial solutions to 59,000+ clients
Construction, financial services, franchises, healthcare, manufacturing, nonprofits, real estate, technology

Porte Brown LLC
845 Oakton St., Elk Grove 60007 • 847-956-1040 • portebrown.com
Joe Gleba, CEO/managing partner
1946
150
Software consulting, accounting and ERP consulting including outsourced accounting systems
Various industry clients

Xamin Inc.
475 Half Day Road, Suite 500, Lincolnshire 60069 • 847-247-8959 • xamin.com
Jeff Brandt, CEO
1996
73
Managed IT services, cybersecurity and IT advisory services; SOC II Type 2 firm
Mowery & Schoenfeld, LLC

Accurate Biometrics
500 Park Blvd., Suite 1260, Itasca 60143 • 866-361-9944 • accuratebiometrics.com
Ray Palys, president
2000
55
Direct FBI channeler and full-service provider of fingerprint background checks, with walk-in locations statewide; custom services to manage fingerprint data from all sources
Local, state and federal agencies, and private businesses, including Fortune 500 companies
Gregg Communications Systems Inc.
555 Waters Edge, Suite 200, Lombard 60148 • 630-706-8209 • greggcomm.com
Mary Dine, senior account manager
1967
15
Business voice services; all major cloud-based and Mitel premise-based
Ozinga Bros., Julie One Call