While there is a fairly large grey market of unlicensed companies, there are those that have membership in a reputable association and/or are accredited by a professional organization.
In response to the resultant damage to their profits and reputation, manufacturers and their official distribution chain will often seek to restrict the grey market.
Due to regional lockout, videogame consoles and their games are often subjected to grey market trade and are chosen as the alternative to modding by some gamers.
