Contact Us

MainStreet Investment Group

Randy Plantenberg's office:

1411 N. 4th Street, Suite 103
Tomahawk, WI  54487
Phone: (715) 453-0722
Fax: (715) 453-6941

E-mail: [email protected]  

Please do not send sensitive or confidential
information via the e-mail address above.
Call our office and ask for a “secure-email”
to be sent to you that you can respond to.
Also, do not send trade instructions by e-mail,
as they will not be honored.  You are required
to call our office with this request.

Office hours: Monday through Friday, 
8:00 A.M.–4:00 P.M.  

MainStreet Investment Group

Rich Nagel's office: 

136 Green Bay Road
Thiensville, WI 53092
Phone: (262) 478-3000
Fax: (262) 478-0900

Email: [email protected]

Please do not send sensitive or confidential
information via the e-mail address above.
Call our office and ask for a “secure-email”
to be sent to you that you can respond to.
Also, do not send trade instructions by e-mail,
as they will not be honored.  You are required
to call our office with this request.

Office hours: Monday through Friday, 
8:30 A.M.–4:00 P.M.