The Paul Wissmach Glass Company was established in 1910. Many of the color batches used by Wissmach at the turn of the century are still used today, and new glasses are continually added. Recent additions to Wissmach include Wissmach 90, a fusible sheet glass in a variety of colors. Wissmach also produces 96 coe fusible glass sheets.
Wissmach produces a variety of colors and textures. Known particularly for their English Muffle, Mystic, and Wisspy lines (yes, wisspy, not wispy, as in wiSSmach wiSSpy.) They are also known for their dazzling opalescents, cathedrals and streakies.