O-Netics Ltd
14144 76th Place NE, Bothell WA 98011-5069
(425) 823-2279
Designs and Manufactures Audio and Power transformers. Guitar Amplifiers, Audio reproduction Amplifiers, microphone pre amps, DAC buffer transformers.
Pennsylvania Transformer Technology, Inc
30 Curry Avenue # 2, Canonsburg PA 15317-1786
(724) 873-2100
THe only U.S.-Owned Power Transformer Manufacturer of a total range of sizes - Small (<10 MVA), Medium (10-60 MVA), and Large (>60 MVA).
Powell Industries, Inc
515 N Railroad Avenue, Northlake IL 60164-1652
(708) 409-1812
Manufacturer of Isolated and Nonsegregated Bus