Support Hotline
Toll Free: 1.800.738.4152
Local: 1.920.457.7781
Emergency 24/7 Support Line 1.920.323.9426
Meet Our Specialists
We're proud of the Maritime team!
Get to know the people behind the Maritime expertise, professionalism and great customer service.
Joan Callahan
Comptroller
Phone: (920) 453-9031 or (800) 738-4152, Ext. 144
Email Joan Callahan
Cynthia M. Damrow
Accounting Assistant
Phone: (920) 453-9029 or (800) 738-4152, Ext. 139
Email Cynthia M. Damrow
Cheryl Magruder
Administrative Assistant/Receptionist
Phone: (920) 457-7781 or (800) 738-4152
Email Cheryl Magruder
Karl Seidl
Network Administrator
Phone: (920) 453-9032 or (800) 738-4152, Ext. 143
Email Karl Seidl
Trudy Van Der Puy
Office/Human Resource Manager
Phone: (920) 453-9018 or (800) 738-4152, Ext. 126
Email Trudy Van Der Puy
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832 Niagara Avenue, Sheboygan, WI 53082-0251 Phone: 800.738.4152
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