Glas-Col (Popularity: )
http://www.glascol.com/ Laboratory stirring, heating,mixing,vortexing,and shaking. Combinatorial, pulse or no pulse vortexing with or without heat.
Genser Company (Popularity: )
http://www.rotary-evaporator.com/ A manufacturer that produces: technical, rotary evaporators, extraction systems, vacuum pumps, vacuum controllers and sodium presses.