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.
Chevron is engaged in every aspect of the oil, natural gas, and geothermal energy industries, including hydrocarbon exploration and production; refining, marketing and transport; chemicals manufacturing and sales; and power generation.n July 2011, Chevron ended retail operations in the Mid-Atlantic United States, removing the Chevron and Texaco names from 1,100 stations. In 2011, Chevron acquired Pennsylvania based Atlas Energy Inc. for $3.2 billion in cash and an additional $1.1 billion in existing debt owed by Atlas.