Reporting marks - Transit Co., Ltd.


The January 1953 ORER lists the following reporting marks as belonging to
Transit Co., Ltd. : TCLX, BMMX, COBX, CSGX, IOX, PRPX and SUPX.

I am curious as to the origins of these marks. I'm fairly confident that
TCLX is "Transit Co. Ltd", IOX is certainly "Imperial Oil", COBX is
probably from Champlain Oil, and CSGX from Cities Service. But, where are
BMMX, PRPX and SUPX from?

Does anyone know?


Frank Valoczy
Vancouver, BC

----- - Rails along the Fraser - Rail Photos

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