IMPORTANT NOTE: The inside entry door to the building is locked until 9am local time. ONLC students should wait in the building's vestibule upon arrival to be seen and then given access.
Our Naperville / Warrenville, Illinois computer training center is located on Ferry Road near the corner with Mill Street / DuPage County Hwy 32. This is a western suburb of Chicago, IL.
Our computer training center is an ideal location for those in DuPage County as it's easily accessible from I-88 / Ronald Reagan Tollway, IL-56, and Warrenville Road. Both Midway and O'Hare airports are only 25 minutes away.
There are a variety of restaurants and shops approximately a mile away on Diehl Road from our Warrenville / Naperville, IL area computer training center.
DIRECTIONS & RELATED INFO
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(See additional ONLC computer training locations in the Chicago, IL area.)
Training classes are available in the following subjects - see the Naperville / Warrenville, Illinois (IL) Training Schedule for a complete list of classes.
ONLC's classes are live, hands-on* training with an online instructor. Class Format FAQs.
(*Business process classes not related to a specific software application are commonly more lecture or discussion oriented.)
Accounting, Bookkeeping, Payroll (self-study)
Adobe Creative Cloud
Adobe On-Demand (self-study)
AI / Artificial Intelligence
Analytics & Reporting
Advanced Security Practitioner
ASP / Active Server Pages
AutoCAD On-Demand (self-study)
AWS / Amazon Web Services
Azure On-Demand (self-study)
Business Analyst CBAP
Business Intelligence BI
Business Skills (self-study)
Certified Ethical Hacker
Cisco On-Demand (self-study)
CompTIA On-Demand (self-study)
Crystal Reports On-Demand (self-study)
CSS / Cascading Style Sheets
DoD 8570 / 8140
Excel Power User
IAM / IAT Certification
Microsoft 365 On-Demand (self-study)
Microsoft Certified Associate
Microsoft Certified Expert
Microsoft Certified Fundamentals
Open Source Programming
PC Introduction (self-study)
PMP Exam Prep
Power Platform On-Demand (self-study)
Software Quality Assurance
SQL / SQL Server
Use Case Development
Visual Basic for Applications
We invite comparisons between ONLC Training Centers and other industry-leading IT training providers such as New Horizons, Global Knowledge, and Learning Tree International. We are certain that when you review our breadth of class topics, price, and number of locations you will select ONLC Training Centers. Why you should choose ONLC.
This location serves these communities:
Cook County - Alsip, Arlington Heights, Bedford Park, Bellwood, Berkeley, Berwyn, Blue Island, Bridgeview, Broadview, Brookfield, Burbank, Chicago, Chicago Ridge, Cicero, Des Plaines, Elk Grove Village, Elmwood Park, Evanston, Evergreen Park, Forest Park, Franklin Park, Glenview, Golf, Hanover Park, Harwood Heights, Hickory Hills, Hillside, Hines, Hoffman Estates, Hometown, Justice, La Grange, La Grange Park, Lemont, Lincolnwood, Lyons, Maywood, Melrose Park, Midlothian, Morton Grove, Mount Prospect, Niles, Northbrook, Oak Forest, Oak Lawn, Oak Park, Orland Park, Palatine, Palos Heights, Palos Hills, Palos Park, Park Ridge, Prospect Heights, River Forest, River Grove, Riverside, Robbins, Rolling Meadows, Schaumburg, Schiller Park, Skokie, Stone Park, Streamwood, Summit Argo, Techny, Tinley Park, Westchester, Western Springs, Wheeling, Willow Springs, Wilmette, Winnetka, Worth, DeKalb County - Cortland, DeKalb, Hinckley, Sandwich, Somonauk, Sycamore, Waterman, DuPage County - Addison, Aurora, Bartlett, Bensenville, Bloomingdale, Carol Stream, Clarendon Hills, Darien, Downers Grove, Elmhurst, Eola, Fox Valley, Glen Ellyn, Glendale Heights, Hinsdale, Itasca, Lisle, Lombard, Medinah, Naperville, Oak Brook, Roselle, Villa Park, Warrenville, Wayne, West Chicago, Westmont, Wheaton, Willowbrook, Winfield, Wood Dale, Woodridge, Grundy County - Minooka, Kane County - Aurora, Batavia, Big Rock, Burlington, Carpentersville, Dundee, Elburn, Elgin, Geneva, Gilberts, Hampshire, Kaneville, Lafox, Maple Park, Mooseheart, North Aurora, Plato Center, Saint Charles, South Elgin, Sugar Grove, Wasco, Kendall County - Bristol, Millbrook, Millington, Montgomery, Newark, Oswego, Plano, Yorkville, Lake County - Barrington, Buffalo Grove, Deerfield, Lake Zurich, Lincolnshire, Long Grove, McHenry County - Algonquin, Cary, Crystal Lake, Fox River Grove, Huntley, Lake In The Hills, Will County - Bolingbrook, Bolingbrook, Channahon, Crest Hill, Elwood, Homer Glen, Joliet, Lockport, Mokena, Naperville, New Lenox, Plainfield, Romeoville