contact us

A good partner begins with a good team. Luckily for you, we've put together one that will work to serve both you and your business.

Customer Service hours:
Monday - Friday: 7am - 8pm CST
Saturday - Sunday: 8am - 4pm CST

Ph: 1-800-233-3776

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David Charles, Sr.
President
Phone: 800.233.3776
Email: dcharles@1stiso.com

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Al Jamir
Vice President
Phone: 800.233.3776
Email: ajamir@1stiso.com

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Lori Walters
Controller
Phone: 800.233.3776
Email: lwalters@1stiso.com

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Brian Kimber
Cash Management Manager
Phone: 800.233.3776
Email: bkimber@1stiso.com

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Sarah Zelhofer
Billing Specialist
Phone: 800.233.3776
Email: szelhofer@1stiso.com

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1st ISO Processing | 1740 Cofrin Drive | Green Bay, WI 54301 | 800.233.3776