David!

These names are from "Memoria de Marina" 1944-45,
100t is not in Memoria.

1) Syipyard Coatzacoalcos
motortship TEZIUTLAN - built under direction of Sección de Construcciones Navales de la Secretaría
tug R-4
barges No.2 No.3
lightouses service vessels No.1 and No.2
statek motorowy GUERRERO

2) Shipyard Acapulco
tugsR-2 i R-3
unit C-1
board boats (?) No1 and No.2

R1-R4 I have not found in any navy list, but in bioghraphies of naval officers