All matters—including class registrations, information requests, price quotes, job inquiries—are managed by ONLC's corporate headquarters.
Below you'll find ways to contact us, details for adding ONLC as a business vendor, and our company information.
| Phone: | 1-800-288-8221 (US & Canada) 302-225-4470 (International) (weekdays excluding holidays) | 
| Email: | Messages sent to this e-address are forwarded to other departments for handling/responding. | 
| US Mail: | ONLC Training Centers | 
The company was founded in 1983 and is privately held. 
  
  
| Legal Name: | Online Consulting, Inc. | 
| DBA: (doing business as) | ONLC Training Centers | 
| Tax ID: | 51-0297953 | 
| W9: | Get a copy of ONLC's W9 (.pdf) | 
| DUNS: | 125047027 (Online Consulting, Inc.) | 
| UEI: | KBNNJMLF4K22 (Online Consulting, Inc.) | 
| CAGE: | |
| NAICS: | 611420 (Computer Training) | 
| SIC Code: | 8243 | 
| Merchant Category Code: | 8299 | 
| ACH / EFT: | Contact ONLC's Accounting Department  | 
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 ONLC Training Centers Do NOT use the mailing address for registration requests. Students must register IN ADVANCE by phone (800.288.8221), or web to attend our classes. 
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| Registrations: | See Class Registration Information How to register, policies, payments and more. | 
| Classroom Locations: | Get directions and details about our hundreds of training centers across the USA. | 
| Partner with ONLC: | Businesses can take advantage of our unique position in the training marketplace by partnering with ONLC. See options | 
| Careers at ONLC: | We are looking for successful, motivated professionals to help us expand our business. View job openings at ONLC | 
| Equal Opportunity (Delaware Department of Labor): | 
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