CN U.S. subsidiaries had 34 GP9's and 3 GP18's: GP9- GTW 4900, 4901; GT NEL 4902-4906; GTW 4907-4922; CV 4923-4929;
GTW 4930-4933; GP18- GTW 4950-4953
B&O GP7 6693-6699, also GP9's in 6600 series
SP GP9 5622-5625
IC GP9 9200-9203
WAB GP7 454-458, 464,474,479-482; GP9 484-489, 493-495
A&WP GP7 573, 574
WA GP7 525, 526
TH&B GP9 401-403
CP GP9 8501-8529 had dynamic brakes with shorter than normal "tubes" mounted between DB and cab.
DL&W GP7 966-970
The above mostly from Extra 2200 South rosters. Photos during search show GP7's with tubes on ATSF,PRR and NYC,
GP9's on L&N, MILW, NKP, NP, CUT. Many roads operated passenger geeps without tubes: B&M, MEC, PLE, RF&P, UP, N&W, C&O, SAL
Many more I'm sure.