Contact Us

Corporate Headquarters

Syn-Tech Ltd.
1550E W. Fullerton Ave.
Addison, Illinois 60101
Phone: (630) 628-7290
Fax: (630) 628-7291 
Hours of Operation: Monday – Friday: 7:00 am - 4:00 pm CST


General inquiries (Please send quotes requests to the link below)

Request a sample

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Send an e-mail to any of our departments.

Customer service:




Accounts Receivable:

Order Inquiry:



Michigan Sales Office

Morrice, MI 48857
Phone: (734) 502.3590
Fax: (517) 625.8755

Asian Sales Partner

Hsu’s Syn-Lube Co., Ltd.
No. 69, JinSheng Rd., JiangNing Zn. JiangSu Prov. China 211100
Phone: 025-52150067
Fax: 025-52150224
Mr. Xu XiaoWei
Cell: 138-5175-5014

2019 Plant Closures

New Year’s Day January 1st, 2019
Good Friday April 19th, 2019
Memorial Day May 27th, 2019
Independence Day July 4th, July 5th, 2019
Labor Day September 2nd, 2019
Thanksgiving November 28th and November 29th, 2019
Christmas Week December 24-27 2019
New Year’s Eve December 31st, 2019
New Year’s Day January 1st, 2020

Syn-Tech is headquartered in Addison, Illinois, just minutes away from major highways, airports and waterways. Our facilities include administrative offices, R&D, manufacturing, quality testing and packaging.

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