As in company ? It could be Zero.
Zero gravity is a space word. It begins with the letter z.
Zucchini is one word. It begins with z.
holiday word begins with the letter z
zebra
New Zealand is an island nation. The second word of its name begins with the letter Z.
zenith
ditz
pizzazz.
zeal
zoologist zinc
Zoeloe
Zoning is a civics word. It begins with the letter z.