From UK:
https://www.hrhiggins.co.uk/about/welcome/
http://www.northern-tea.com/default.asp
http://www.wilkinsonsofnorwich.com/Default.aspx
From India:
From China:
DragonTea House
https://www.aliexpress.com/store/726685
eLike Trading Co.
https://www.aliexpress.com/store/822008
Bonus Jam link:
These tea merchants offer top quality tea at sensible prices, and do not charge a fortune for postage. I have ordered from all of them.