Additional bus companies, listed as existing during additional years or decades, are mentioned in old City Directories, and in the WPA American Guide Series of state guidebooks.
Eberly Bus Service - connected connected Lansing with Bath, Park Lake, Tower Gardens. Existed in 1940's, possibly acquired during 1950's by Lansing Suburban Lines, which later renamed itself Lansing Metro Lines after also acquiring city transit operations in Lansing.
Holt-Lansing Lines - existed in 1930's.