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.
Texaco. Texaco operates gasoline stations in the United States, but the company is part of the larger Chevron gasoline company. The companies merged in 2001 to form one of the world's largest petroleum corporations.he combination of Exxon and Mobil oil, formed in 1999, created one of the largest gasoline retailers, not just in the U.S., but in the world. Gasoline is sold in the U.S. under both trademarks.