VKB North America (via VKBcontrollers.com) serves customers in CONUS* and Canada.
Listed below are official VKBsim® partner sites that serve other regions:
VKB Europe (external link)
VKB Australia/New Zealand (external link)
VKB India (external link)
VKB Asia-Pacific-Oceania (external link)
Rest of the World (please email VKB HQ directly at email@example.com )
*CONUS = the 48 contiguous states of the continental US, excluding all other off-shore insular areas, such as American Samoa, U.S. Virgin Islands, Northern Mariana Islands, Guam, and Puerto Rico.