Contact Us




Contact Information

Contact us by Email, Telephone or Snail mail

We take our customer care very seriously.

We have provided a number of ways for our Customer Care team to help you:


For product information or assistance:Twitter


We will respond to you within 24 hours, during regular business hours. All email correspondence is completely confidential. On-Site customers may also use our toll free telephone number to contact a service representative during regular business hours:

Online Contact Form:

  Contact Form Click Here                                                                                                                                            


Live Customer Care Center 1-815-786-3800

Monday thru Friday 10am to 5pm (CST)

Saturday: 9am to 1pm (CST)

Sundays and federal holidays please leave a message.  A customer representative will contact you within 24 hours of the first business day.

Emergancy service available

Snail Mail:

Send your inquiries to:

  • On-Site Computer Guy, Inc.
  • 135 S Main St Sandwich Il.
  • 60548



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