Soma spol.s.r.o.
- Manufacturer of printing and converting machines. Includes a profile of the company, product listing, and details of exhibitions, plus contact information and related links.
- http://www.soma-eng.com/

Sulak Vitezslav
- Designs and manufactures sheet-glass edge grinding and polishing machines and bevelling machines. Drilling machines for double-sided drilling of sheet glass.
- http://www.sulak.cz/