- Advanced Biological Organic Waste Recycling - High Tech Composting. American Bio Tech designs, builds and operates it patented compost systems.
- American Bio Tech AirLance - The American Bio Tech AirLance Organic Waste Recycling Technology has been used on the largest biosolids (sewage sludge) recycling facility in the world , blending sewage sludge with construction wood waste.
- BiocorpUSA - An innovative company with Biodegradable & compostable products: bags, liners.../ which can be used both for commercial end users and Residential / food & green waste
- BioResouce Management - Composting systems
- Columbus Instruments - Manufactures bioremediation respirometers,gas analyzers,BOD analyzers,bacteria respirometers,animal activity meters,on-line BOD analyzers,oxygen consumption computers,fermentation gas analyzers, compost gas analyzers
- The Ekolet-Composting Toilet - The Ekolet company is producing and developing carefree composting toilets without using water.
- Green Mountain Technologies Home Page - Containerized composting systems for waste recycling.
- The Humusphere Page - NaturTech Composting Systems, Inc. and The Composting Council Home Page; Linking Composting and Sustainable Communities