Almeida Bus Lines - existed from 1940's until 1979. Had operated subsidized commuter routes which in 1979 were transferred to other carriers.
Concord Coach Lines - in 1980 took over former Continental Trailways routes serving New Hampshire, and enhanced commuter service between Boston and Concord NH. In 1988 sold route serving Newburyport and Dover to C&J.
Englander Coach - from 1965 to 1979 operated commuter service between Boston and Fitchburg via Acton. Various successor bus companies assumed service, in 1986 assumed by Yankee Bus.
Peter Pan Bus Lines - began operations in 1933, continues to exist.
The Short Line - began operations in 1925 primarily in Rhode Island, including acquiring the Rhode Island Bus Co. during 1950's. Expanded in 1958 by acquiring many routes from New England Transportation Co. which ceased operations. In 1965 acquired Eastern Massachusetts Street Railway Co.'s Fall River Division, which included bus route from Boston through Fall River to Newport RI. In 1971 renamed Bonanza Bus Lines, and in 1978 acquired route between Boston and Woods Hole from Almeida Bus Lines. In 1979, the more local service between Boston and Fall River was sold to Bloom Bus Lines. Sold in 2003 to Peter Pan Bus Lines.
Bloom Boston-Taunton-West Bridgewater Almeida 1940's Boston Boston-Manchester NH 2007 Cav. Boston-Post Road-Northborough B&W 1926 Cav. Boston-Framingham-Marlborough B&W SC 1928 C&J Boston-Newburyport-Dover Concord 1980's Coach Boston-Haverhill Michaud 1965 Coach Boston-Newburyport Michaud 1965 Concd. Boston-Concord NH Concord 1980 DATTCO Boston-Taunton-New Bedford Almeida 1940's PPB Boston-Worcester B&W 1926 PPB Boston-Providence Short 1965 PPB Boston-Fall River-Newport EMSR SC 1931 PPB Boston-Woods Hole Almeida 1940's P&BSR Boston-Plymouth P&BSR 1949 P&BSR Logan-Boston-Plymouth-Hyannis P&BSR 1961 P&BSR Boston-Marshfield-Duxbury P&BSR 1949 P&BSR Braintree-Hanover-Marshfield MBTA 1982 Yankee Boston-Concord-Acton Englander 1965Abbreviations
Bloom - Bloom Bus Lines
Boston - Boston Express
Cav. - Cavalier Coach
C&J - C&J Trailways
Coach - Coach Co.
Concd. - Concord Coach Lines
DATTCO - DATTCO
PPB - Peter Pan Bus Lines
P&BSR - Plymouth & Brockton Street Railway Co.
Yankee - Yankee Lines
Additional obscure bus companies previously existed, according to the 1952 "Mass Transportation's Directory", and the WPA American Guide Series of state guidebooks.