According to the company's web site, McCartney Manufacturing Co. was founded in 1946 and incorporated in 1947. They became part of Ingersoll-Rand Company in 1963, but they continue to operate under their original name.
This company made "Mack" shapers and they also made water-jet cutting machines: they were one of the early innovators in water-jet cutting.
Information Sources
- This company was assigned two patents, both of them related to water-jet machines.