Contact Us

Lesman Instrument Company and A-Tech, Inc. are a part the Kele family.

Lesman Instrument Company serves the instrumentation specialty product needs of industrial customers in the Greater Midwest region, with offices in Chicagoland and the Greater Milwaukee area, plus salespeople in the Greater St Louis, Indianapolis, Greater Peoria IL, Peducah KY, and Green Bay WI areas. We have recently expanded our coverage to serve the Pacific Northwest US, including Washington, Oregon, Idaho, Montana, Alaska, and Hawaii.

Located in Tulsa OK, A-Tech, Inc. is an authorized distributor for factory and process automation products for manufacturing, oil and gas, food processing, chemical and pharmaceutical, power generation, and aerospace customers. A-Tech serves the Oklahoma, Arkansas, Kansas, Northern Texas, and Northern Louisiana markets.

Lesman Corporate and Illinois Sales Office

135 Bernice Dr, Bensenville, IL 60106-3366
Call Toll Free: 800-953-7626
Fax Us at: 630-595-2386
Send E-mail to: sales@lesman.com

Lesman Wisconsin Sales Office

5160 N 125th St, Butler, WI 53007-1332
Call Toll Free: 800-837-1700
Fax Us at: 262-923-1797
Send E-mail to: wisales@lesman.com

Lesman Washington Sales Office

18014 72nd Ave S, Kent WA 98032
Call Toll Free: 800-953-7626
Send E-mail to: sales@lesman.com

Lesman Oregon Sales Office

4243 SE International Wy #E, Milwaukie OR 97222
Call Toll Free: 800-953-7626
Send E-mail to: sales@lesman.com

Accounts Payable
ap@lesman.com

Accounts Receivable
ar@lesman.com

EDI Accounts
edi@lesman.com

Order Expediting
expedite@lesman.com


A-Tech, Inc. Corporate and Sales Office

321 East 6th Street, Tulsa, OK 74120
Call Toll Free: 800-225-6102
Fax Us at: 800.325.6102
Send E-mail to: sales@atech-inc.com

Accounts Payable
ap@atech-inc.com

Accounts Receivable
ar@atech-inc.com


Remittance Address for All Lesman Orders: PO Box 7640, Carol Stream IL 60197-7640. If you have 2226 Paysphere Circle in Chicago as our address, please update it immediately.

Email Contacts:

Please include all pertinent information: Your name, company name, title, mailing address, and e-mail address.

Copyright 1995-2023 © Kele Industrial Automation (Lesman and A-Tech Inc)