Misencha Fukamushicha (importer's romanji)
The company is located in Saitama prefecture, but this page is, alas, “Under Construction”. They also have an office in Tokyo. Contact info is available from the above link.
Imported by Ikko International Trading LLC. 950 Chase Avenue
Elk Grove Village, IL 60007-4828, (847) 434-0422
Fukamushi sen cha