Can anybody recommend any good companies that does pulverise and assay ore specimens.

Can anybody recommend any good companies that does pulverise and assay ore specimens.
Jacob's Assay Office in Tucson Arizona. Google for the phone number.
I calls 'em as I sees 'em. No "sugar coating" here.
I may "answer" a question with a "question" in order to promote thinking.
I've used Reed Laboratroies and was pleased with the service and price (Compared to others).