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  2. California Independent System Operator - Wikipedia

    en.wikipedia.org/wiki/California_Independent...

    The California Independent System Operator (CAISO) is a non-profit Independent System Operator (ISO) serving California. [1] It oversees the operation of California's bulk electric power system, transmission lines, and electricity market generated and transmitted by its member utilities. CAISO is one of the largest ISOs in the world, delivering ...

  3. Quanta Services - Wikipedia

    en.wikipedia.org/wiki/Quanta_Services

    Quanta Services is an American corporation that provides infrastructure services for electric power, pipeline, industrial and communications industries. Capabilities include the planning, design, installation, program management, maintenance and repair of most types of network infrastructure.

  4. Top 100 Contractors of the U.S. federal government - Wikipedia

    en.wikipedia.org/wiki/Top_100_Contractors_of_the...

    With $48.666 billion in business with the U.S. federal government, Lockheed Martin, based in Bethesda, Maryland, is the largest U.S. federal government contractor. The Top 100 Contractors Report (TCR 100) is a list developed annually by the General Services Administration as part of its tracking of U.S. federal government procurement.

  5. List of United States electric companies - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    Rank Entity State Class of ownership Parent Number of customers Sales (MWh) Revenue ($1,000 ) Average retail price/kWh) 1: Pacific Gas & Electric: CA: Investor owned

  6. Category : Electric power companies of the United States

    en.wikipedia.org/wiki/Category:Electric_power...

    Pages in category "Electric power companies of the United States" The following 187 pages are in this category, out of 187 total. This list may not reflect recent changes .

  7. Live-line working - Wikipedia

    en.wikipedia.org/wiki/Live-line_working

    Although this is more hazardous for personnel than working on electrical equipment with the power off, live-line maintenance techniques are used in the electric power distribution industry to avoid the disruption and high economic costs of having to turn off power to customers to perform essential periodic maintenance on transmission lines and ...

  8. List of companies based in Berkeley, California - Wikipedia

    en.wikipedia.org/wiki/List_of_companies_based_in...

    This is a list of companies based in Berkeley, ... # of employees 1 University of California, Berkeley: 14,444 2 Lawrence Berkeley National Laboratory: 3,735 3

  9. ABM Industries - Wikipedia

    en.wikipedia.org/wiki/ABM_Industries

    In 1909, Morris Rosenberg, the company's founder, began cleaning shopkeepers' windows in San Francisco, CA. The company took the name American Building Maintenance in 1913 and acquired Easterday Janitorial Supply Company in 1927. [7] In the 1920s and 1930s, ABM grew its business on the West Coast by offering annual cleaning contracts to businesses.