Air-Way Manufacturing Co. - Olivet, MI
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2008 certified. Manufacturer of hydraulic fittings including hexagon & straight pipe nipples made from carbon steel. Nipples are available in 0.75 in. to 8.5 in. length.
Brand Names: Air-Way
www.air-way.com/catalog.php

Quality Pipe Products, Inc. - New Boston, MI
Manufacturer
Manufacturer of carbon welded, black & galvanized & seamless steel pipe nipples. Schedules 40 & 80 carbon welded & black steel pipe nipples are available in 1/8 in. to 6 in. dia. in ready cut & various size assortments. Carbon welded steel pipe nipples meets ASTM A-733, ASME/ANSI B1.20.1 & ASTM A-120/A-53 standards. Schedules 40, 80, 160 & XXH type seamless steel pipe nipples are available 1/8 in. to 6 in. dia. Seamless steel pipe nipples. Meets ASTM A-733, ASME/ANSI B1.20.1, ASTM A-120/A-53& ASTM A-106 Grade B standards.
www.qualitypipe.com/catalog-pipe-nipples_ca...

Detroit Nipple Works, Inc. - Detroit, MI
Distributor, Manufacturer, Custom Manufacturer
Manufacturer & distributor of pipe nipples. Nipples are available in carbon steel, aluminum, stainless steel & brass. Nipples come with cut grove or seamless. 1/8 in. thru 12 in. N.P.T. & ½ in. thru 6 in. B.S.P.T.
www.detroitnippleworks.com/nipples/