Nutri-Blend Biosolids Land Application
- A Virginia-based company with more than 30 years of experience in the responsible land application of biosolids.
- http://www.nutri-blend.com/

Omni Instruments
- Suppliers of instrumentation , dataloggers ,radio and telemetry for the water , waste water and industrial sectors. sales , service and installations.
- http://www.omniinstruments.ie

How Stuff Works: Landfills
- Complete narrated photographic tour of how a landfill really operates.
- http://www.howstuffworks.com/landfill.htm

Fen-Tech Environmental Inc. waste water evaporators
- A cost effective answer to your leachate or waste water problems. Models available to handle 10 to 500 gallons per hour.
- http://www.fen-tech.com