What does VEI stand for?

What does VEI mean?

VEI	Vista Energy Resources, Inc. Business » AMEX Symbols
VEI	Vision Eye Institute Limited Business » ASX Symbols
VEI	Virtually Everything, Inc. Business » Firms
VEI	VESA Enterprises, Inc. Business » Firms
VEI	Visual Effects, Inc. Business » Firms
VEI	Vending Equipment Interface Business » General
VEI	Volcanic Explosivity Index Academic & Science » Geology
VEI	Volcanic Explosivity Index Academic & Science » Meteorology
VEI	Vehicle End Item Governmental » NASA
VEI	Volcanic Explosivity Index Academic & Science » Ocean Science