Additional bus companies, listed as existing during 1930's, are mentioned in the WPA American Guide Series of state guidebooks.
Suburban and interurban bus companies listed in the Russell's Official National Motor Coach Guide, which was primarily a resource for intercity bus lines.
I.C.T. Bus Co. (New Bedford and Fall River to Providence, until 1951)
Great Eastern Line - existed in 1930's.
East Taunton Bus Line Corp. - suburban served Taunton, Lakeville, Middleboro.
Whitney's Bus Line - city service in Middleboro.
Gateway Bus Line - served Mattapoisett, Marion, Wareham, Onset, Buzzards Bay, Camp Edwards in Bourne.
Cozy Cab & Bus Co. - suburban served Fall River, New Bedford, Somerset, Swansea, Fairhaven, Tiverton RI, Little Compton RI.
Midway Bus Co. - served New Bedford and Acushnet.