Access control system topologies. 1  Work load on the host PC is significantly reduced, because it only needs to communicate with a few main controllers. 2  The overall cost of the system is lower, as sub-controllers are usually simple and inexpensive devices. 3  All other advantages listed in the first paragraph apply.
This excerpt taken from the CVX 10-K filed Mar 9, 2004. Texaco Merger Transaction. On October 9, 2001, Texaco Inc. (Texaco) became a wholly owned subsidiary of Chevron Corporation (Chevron) pursuant to a merger transaction, and Chevron changed its name to ChevronTexaco Corporation.
Gulf Oil Corporation (GOC) ceased to exist as an independent company in 1985, when it merged with Standard Oil of California (SOCAL), with both re-branding as Chevron in the United States. Gulf Canada, Gulf's main Canadian subsidiary, was sold the same year with retail outlets to Ultramar and Petro Canada and what became Gulf Canada Resources to Olympia & York.