Surviving 1st Gen Diesel Locomotives in the USA Organized by Builder

Alco (215, op:69, sto:59, scrp:9, re:4, unk:1, oos:1, aban:2)
Alco-GE (7, sto:3, op:1)
Altoona (3)
Baldwin (53, op:10, sto:11, re:1)
Baldwin-Westinghouse (2)
Bombardier (1, op:1)
Brown Hoisting (1)
Budd (8, op:2)
CLC (1, op:1)
Chicago & Milwaukee (1)
Chicago Surface Line (1)
Cincinnati Car Co. (6, op:1)
Davenport Locomotive (2)
Differential Car (1)
EMC (6, re:2, sto:2)
EMD (388, gon:1, sto:106, op:139, unk:3, re:4, aban:2, oos:5, scrp:3)
Fairbanks-Morse (9, op:4)
GE (56, op:21, sto:10, re:2)
GE/Baldwin (1)
GMD (2, op:2)
Illinois Traction (1, op:1)
J.G. Brill Co. (1)
MLW (26, op:20, sto:2)
MPI (2, op:2)
McGuire-Cummings (2, op:1)
North Shore (1)
PRR (15, sto:5)
Plymouth (3, oos:1, op:2)
St. Louis Car (2, op:1)
TMER&L (8, op:1)
Whitcomb Locomotive (4, op:1)
Whitcomb Locomotive (3, op:1)