Tissue-Grown Corporation has an established business in the propagation of disease-indexed horticultural crops. Tissue-Grown is now emerging as a new type of technology company, combining commercial micropropagation and greenhouse production expertise with the disciplines of cell genetics and cell physiology. The company has product lines of disease indexed horticultural plantlets and virus elite potato minitubers, geraniums and carnations and is a germplasm repository for potato cultivars. Tissue-Grown Corporation operates a fully equipped plant tissue culture laboratory with independent climate controls on three production sized culture rooms. The site also includes refrigerated coolers and both research and propagation greenhouses.