You are an Hydro-Vendor if..
You make something to sell to someone else, or sell retail products.
Specifying yourself as a vendor just puts your company name and website into our database as a Hydrogen type business and lets the members of search the database for your products.
Nothing more, nothing less.

There is NO CHARGE for being a vendor here on List as many items new or used as you wish.
We want to be able to recognize you as a vendor though if you are one, so please select the category you best fall into.

ScopeTrader is the greatest place online where Astronomers can buy or sell Astronomy related equipment, period.
There are other areas on the site such as the forums, blogs, astrophotos, and more - but the premise of the site is equipment buying and selling.