Ulvac is an international corporation that designs, manufacturers and markets rotary vane pumps in belt driven and direct drive configurations. Belt driven rotary pumps offer pumping speeds from 6.5 up to 247 CFM, while direct drive designs feature pumping speeds of 6 up to 336 CFM.

HullVac are manufacturers of rotary vane vacuum pumps. Their HDV Series direct drive rotary vane vacuum pumps are available in 6 - 11 CFM. Their HBV Series are belt drive pumps available in 10 18 CFM.