MSS – Membrane System Specialists, Inc.
1430 Second Street North
Wisconsin Rapids, Wisconsin, 54495

Technical Sales:
RJ Twiford
Director of Sales
rjtwiford@mssincorporated.com
612-791-7013

Gregory W. Pesko
President & CEO
gpesko@mssincorporated.com
715-421-2333 Extension: 116

Frank Lila
Technical Sales  
flila@mssincorporated.com
715-572-7218

Engineering:
Jeff Anderson
Director of Operations
janderson@mssincorporated.com
715-572-6105

Ryan Kurz
Process Engineer
rkurz@mssincorporated.com
715-213-9114

Purchasing:
Troy Oleson
Purchasing Agent – Parts
toleson@mssincorporated.com
715-421-2333 Extension: 135

Accounting:
Tammi Zellmer
CFO
tzellmer@mssincorporated.com
715-421-2333 Extension: 134