List the names and telphone numbers of the companies make kelp ashes
used for galssmaking

The amount of research required to compile your answer is a bit more
than a than the bid you have offered. You may want to consider raising
the bid to a more appropriate amount.

webadept-ga

The Herbal Hut website comments:

"....the use of Kelp - an impure carbonate of soda, containing
sulphate and chloride of sodium and a little charcoal - as a source of
alkalies for soap and glass manufacture has been rendered obsolete by
the modern process of obtaining carbonate of soda cheaply from common
salt."

http://www.herbalhut.com/bladderwrack.asp