found this to be quite interesting...Sears Roebuck Kit Homes, 1908 to 1940:
http://www.arts-crafts.com/archive/sears/

the Aladdin Co. was based in Bay City, MI and was family owned through its entire history and continued in business until it closed in 1981. they were the ones who invented prefab housing in 1906:
http://clarke.cmich.edu/resource_tab...ity_index.html
http://www.mibungalow.com/baycity.asp
http://www.lib.umd.edu/NTL/kithomes.html
http://antiquehomestyle.com/plans/aladdin/index.htm
http://www.midcenturyhomestyle.com/p...ddin/index.htm

...looks like cars arent the only thing Michigan mass-produced.

i still cannot find mine however:

i just spent an hour looking at catalogues online from these companies. guess ill have to go to the County Registrar of Deeds...?