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Current (Off-Season) Hours: 9:00 - 2:30 CT, Mon.-Fri.
Calling to place an order? Did you know that you can order online without using your credit card? You can get the discounted "web price" and still mail in or call in a payment. (Orders placed by phone, fax or email are charged list price.) See our payment options page for more information about placing the order online without paying online.
Our toll-free phone number is 1-877-466-2563. Phone hours are 9:00 a.m. until 5:00 p.m. Central Time, Monday through Friday. During our off-season (summer and fall months), our phone hours are from 9:00 am to 2:30 pm Central Time. We are closed on Memorial Day, July 4th, Labor Day, Thanksgiving Day and the Friday afterward. At the close of each year, we are closed for Christmas Eve and the following week, reopening the first business day after New Year's Day.
During the months from February through May our lines are very busy and there may be times when you are not able to reach us by phone unless you leave a message. Please let us know the reason for your call so that we can have the correct person call you back! We will return your phone call, often within an hour or two, and almost always the same day.
Our Mailing Address:
Cornerstone Graduate Supply, Inc.
508 Campus Street, Ste. 5
Milton, WI 53563
If sending a money order, please make it out to Cornerstone Graduate Supply, Inc.
Contact Us By Email:
You may send us an e-mail using the form at the bottom of this page. We reply to your message as quickly as possible, usually in 1 - 2 hours during the business day. This is often quicker than phone during the spring months. If you are emailing to request a change to your order, we will respond by email. Do not assume that we have received your message unless you get a reply from us confirming the change.