History

Becomes Independent Company

Rantec Power Systems bought from ESCO by management group, becomes independent company under RPS Holdings

2003

Rantec company name change to Rantec Power Systems Inc. Rantec Microwave division sold. Rantec stand-alone power supply company created.

2000

ESCO (now ESCO Technologies Inc.) formed as a stand-alone public company as a result of a spin-off from Emerson Electric

1990

1988

1984

PTK founded in Los Osos, California, Rantec acquired Low Voltage product line from Litton

1971

1956