American Telephone and Telegraph Company or AT&T was founded in 1885 and at the time was the world's largest telephone company. They were founded by Alexander Graham Bell. Bell was the founder of the telephone. They provide voice, data and internet telecommunications to customers around the world.

Power Systems & Controls will be providing Large Rotary Filters to AT&T. They required PS&C rotary filters because their critical operations required clean, isolated, and conditioned power to their downstream critical loads. It is an honor to support the operations of AT&T and we are proud to add them to the list of satisfied PS&C customers.

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