Dunn Products
- Online seller of scientific equipment: microscope, spectrophotometer, glassware, educational software, books, and test tubes.
- http://www.dunnproducts.com/

Drierite
- Laboratory air and gas drying unit is an all-purpose drier. Vent Drier Systems for drums and small tanks, drying organic liquids, polyurethane reactants, gases and solids. Drierite is anhydrous calcium sulfate.
- http://www.drierite.com/

Daigger
- Laboratory equipment, scientific supplies and instruments for chemistry, research, and biotechnology laboratories.
- http://www.daigger.com/