Niehoff
Niedax
Niec
Nidec
Nicopress
Nico
Nicholson Steam Trap
Nibco
Nibsco
NIC Components
Nichia
Nichicon
Nichiden
Nichifu
Nicholson
Niasa
Niagara-Cutter
Niagara
NI(National Instruments)
Nhp