Arista Flag Corporation - http://www.aristaflag.com/
Dedicated to providing the best made, best quality products available at prices that are exceptionally competitive.
CaribbeanFlags.com - http://www.caribbeanflags.com/
Sells many types of flag from Brazil flag, Peru flag, Mexico flag, Argentina flag and Ecuador flags and more.
Flags of All Countries - http://www.flagsofallcountries.com/
Features animated flags of all the countries of the world.
Hampshire Flag - http://www.hampshireflag.co.uk/
Specializes in producing high quality MOD material flags. In addition this website contains information about flagpoles, custom company flags and banners.
National-Flags.com - http://www.national-flags.com/
The following source presents animated international flags through flash technology.
North American Vexillological Association (NAVA) - http://www.nava.org/
Non-profit that works towards the promotion of vexillology. Provides historical information on flags.