Senator
John Proos (R)
Michigan Senate District 21
Office Location
Rm. S-324 Capitol Bldg.
Mailing
Address
P.O. Box 30036
Lansing, MI 48909-7536
Phone
Toll Free
Fax
E-mail
Website
517.373.6960
866.305.2121
517.373.0897
Staff
Leadership
Committees
District
Information
Customers
in District: 35,592
Large
Volume Customers
Ameri
Kart Corporation
Burnette Foods Inc.
City of Niles
Dowagiac Union Schools
DW Aluminum
Four Winds Casino
French Paper Company
Jessco Inc.
Kietzer Farms
Lee Memorial Hospital
National Standard
Southwestern Michigan College
Varners Greenhouse
