332710 Machine shops
332721 Precision turned product mfg.
332722 Bolt, nut, screw, rivet and washer mfg.
332912 Fluid power valve and hoe fitting mfg.
332919 Other metal valve and pipe fitting mfg.
332994 Small arms, ordnance, and ordnance accessories mfg.
334419 Other electronic component mfg.
335999 All other miscellaneous electrical equipment and
component mfg.
336412 Aircraft engine and engine parts mfg.
336413 Other aircraft parts and auxiliary equip. mfg.
336419 Other guided missile and space vehicle parts and
auxiliary equip. mfg.
336999 All other transportation equipment mfg.
339999 All other miscellaneous mfg.