Environment One goes by EOne, in case you can't find Environment One.
Also, Flyght will give you software to model your system curve with theirs. Hydromatic and Gormann-Rupp are also popular in the mid-Atlantic (USA) area. The device you are looking for is referred to as a "Grinder Pump" in the WWTP industry.
Post this on "Waste Treatment and Disposal" for better response.