• Bridgepoint Systems, which began operations in the 1970s in Utah, specializes in cleaning supplies. It is headquartered in Salt Lake City, Utah, and distributes its products worldwide through distributors, including Interlink Supply and ChemSolutions. All of Bridgepoint Systems' cleaning and deodorizing products are concentrates, which means that you must dilute them with water. You can use some of its products as the cleaning solution for your carpet steam-cleaner vacuum.
  
  

ZonePerfect

• This product is designed for areas that get a lot of foot traffic, and removes grease, oil and ground-in dirt. It is volatile-organic-compound (VOC) compliant, and has a pH of 9.5, which means it is more alkaline than acidic. Other features of this product include a lubricant that is designed to protect the carpet while cleaning; the product also can be used as a pre-spray before cleaning. It can be used on nearly all synthetic carpet types and many wool carpets. As of 2010, this product costs $34.27.
  
  

Encapuclean

• The Encapuclean Bonnet/Brush Encapsulating Cleaner uses an encapsulating polymer (similar to glass) to clean your carpet. This polymer dries on your carpet and surrounds the dirt, and is removed when you vacuum. The polymer grabs the dirt and removes it as you vacuum. You can use this product for home or commercial use, and it is designed to work with shampooing equipment or counter-rotating brush machines. It has a pH of 7.5 (alkaline), and it costs between $18.75 and $25.50, as of November 2010.
  
  

Green Balance

• The Green Balance Carpet Prespray is compliant with the United States Environmental Protection Agency's (EPA) Design for the Environment (DfE) program, which means that the product is safe for both the environment and people. It has a pH of 8.0, which means that it's an alkaline solution, and it is safe for both synthetic and wool carpets. This product is designed to dissolve soils so that you can remove them from your carpet. As of 2010, this product costs between $25 and $30.
  
  

Flex Low

• The Flex Low VOC is designed to remove oil, grease and soil from high traffic areas, and it is VOX compliant. This product works with both residential and commercial carpet, and it has a pH of 12.5 (alkaline). The Flex Low VOC dissolves dirt so that you can easily remove it from the carpet. As of 2010, this product costs between $8 and $13.