Ways to Reach Us

Mailing Address:

Diamond Coring Co., Inc.

11800 South Ewing Avenue

Chicago, Illinois 60617

Call Us:

(773) 978-5000

(219) 845-8445 - In Indiana

(888) 978-5001 - Toll Free

(773) 978-5314 - Fax

Business Hours:

Sunday Closed

Monday 7:00 AM–5:00 PM

Tuesday 7:00 AM–5:00 PM

Wednesday 7:00 AM–5:00 PM

Thursday 7:00 AM–5:00 PM

Friday 7:00 AM–5:00 PM

Saturday 8:00 AM–12:00 PM