Management

Michael Sewart
Title: Chief Executive Officer
E-mail: mikes@ocisi.com
Phone: (414) 247-7175

Brian Sewart
Title: President
E-mail: brians@ocisi.com
Phone: (414) 247-7174

Rick Miller
Title: Vice President
E-mail: rickm@ocisi.com
Phone: (414) 247-7164

Thomas Sewart
Title: Chairman of the Board
E-mail: toms@ocisi.com
Phone: (414) 247-7167

Administration & Production

Marilyn Marriott
Title: Production Manager
E-mail: marilynm@ocisi.com
Phone: (414) 247-71940

Cathy Landwehr
Title: Accounting Manager
E-mail: cathyl@ocisi.com
Phone: (414) 247-7162

Dawn Wiedmeyer
Title: Warehouse Manager
E-mail: dawnw@ocisi.com
Phone: (414) 247-7161

James Peterson
Title: Sales Manager
E-mail: jimp@ocisi.com
Phone: (414) 247-7169

Sales

Eric Hafsoos
Title: Business Development Manager
E-mail: erich@ocisi.com
Phone: (414) 247-7180

Rich Hamilton
Title: Business Development Manager
E-mail: richh@ocisi.com
Phone: (414) 247-7195

Adam Wagner
Title: Business Development Manager
E-mail: adamw@ocisi.com
Phone: (414) 247-7199