BCR Environmental Corp. provides water and wastewater treatment solutions. It offers cost-effective treatment solutions that reduce or eliminate traditional wastewater treatment infrastructure and operating costs. The firm focuses on providing industry-revolutionizing solutions that convert biosolids and organic wastes into safe, valuable, and marketable products. Its patented solutions include CleanB, CleanB-AC, and Neutralizer. The company was founded by William O'Connor and David Francis on September 13, 2011 and is headquartered in Jacksonville, FL.

Linde provides dry ice, gas equipment, and welding equipment. They provide products for metal fabrication, virtual shopping, healthcare, laboratories, electronics, and e-business. They also provide welding, cutting, automation, gas supply modes, and productivity enhancements.

DuPont offers sustainable solutions for agriculture, electronics, communications, construction, transportation, and apparel markets. Their products and services include construction materials, fabrics, packaging materials, medical devices, electronic solutions, and adhesives for markets. They provide specialized construction materials to create and maintain roads, bridges, telecommunications, power, and water plants.

Lystek International is an organic materials recovery firm that is helping municipalities and other generators reduce waste, costs, odors and greenhouse gas emissions through its innovative approach to biosolids and organics management. The multi-use Lystek system can be leveraged to optimize digesters and biological nutrient removal systems while also contributing to diversion and sustainability. This is achieved by transforming non-hazardous, organic materials into nutrient-rich, federally-registered fertilizers and other, multi-purpose products.

Evoqua Water Technologies LLC provides water treatment solutions. Its water and wastewater treatment products include activated carbon, anaerobic digestion, biosolids treatment, disinfection, filtration, odor and corrosion control, physical chemical treatment, aeration and mixing, and electrochemical products. It also offers electrocatalytic, intake equipment, filter press equipment, and media exchange services. The company is headquartered in Warrendale, PA.

Paradigm Environmental Technologies, Inc. designs and manufactures wastewater treatment systems. It provides variety of products for wastewater treatment plants to convert waste streams into renewable energy and other valuable bio-products, and to reduce waste for disposal. The firm offers MicroSludge, its flagship product that reduces the quantity of sludge for disposal and enables extraction of renewable energy and valuable biochemical's. The company was founded by Robert J. Stephenson in 1999 and is headquartered in Vancouver, Canada.

Provides municipal biosolids disposal and industrial wastewater treatment services

AquaFiber has developed innovative technology solutions that meet at the intersection of clean water, renewable energy, and human health. Its mission is to restore America’s clean water heritage today and for future generations. It was founded in 2000 and headquartered in Winter Park, Florida.

Terralog Technologies, Inc. is a private company headquartered in Calgary, AB, Canada, that provides well disposal waste management.

EnerTech Environmental, Inc. is a renewable energy company dedicated to protecting public health and the environment through the development and commercialization of clean combustion technologies for biosolids (sewage sludge) and other organic wastes. The company provides answers to the problems facing traditional waste management techniques and simultaneously creates renewable energy – in a way that makes economic sense. EnerTech's patented SlurryCarb™ process cleanly and economically converts high-moisture wastes into a high-grade renewable fuel, with significant cost savings over alternative options.

Synagro Technologies, Inc. provides waste capture and conversion services to municipal and industrial water and wastewater facilities in the United States. The company provides a system of solutions for civic and commercial organizations that recycles industrial and municipal waste, as well as organic by-products into environmentally sustainable resources. It also offers cleaning solutions, including lagoon cleaning, dewatering, dredging and pumping, digester and separator, centrifuge repair, rail transportation, and drilling solutions; and transforming solutions, such as heat drying and pelletizing, composting, alkaline stabilization, and thermal reduction solutions. In addition, the company provides producing solutions, including renewable energy generation, recycled biosolids fertilizer, recycled fertilizer pellets and compost, lime byproduct utilization, and product marketing solutions; and reusing solutions, such as land application, site reclamation, compost application, land sampling and nutrient analysis, and product sale solutions. It serves private and public clients in municipal, renewable energy generation, chemical manufacturing, food and beverage production and processing, pharmaceutical, pulp and paper, textile, waste/wastewater, and oil and gas industries in the United States. Synagro Technologies, Inc. was formerly known as BMP Marketing, Inc. and changed its name to Synagro Technologies, Inc. in October 1994. The company was founded in 1986 and is headquartered in Houston, Texas. It has locations in Houston, Texas; Baltimore, Maryland; Lansdale, Pennsylvania; Woonsocket, Rhode Island; Taft, California; and Watertown and New Haven, Connecticut. On April 24, 2013, Synagro Technologies, Inc. alongwith its affiliates filed a voluntary petition for reorganization under Chapter 11 in the U.S. Bankruptcy Court for the District of Delaware.

Part of The Andersons, Inc., New Eezy-Gro, Inc. is an American company located in Carey, OH. The firm manufactures and wholesales fertilizers and other agricultural nutrients. It was acquired by The Andersons, Inc. on January 31, 2012 for $16.80 million.

Operates as holding company

Anuvia Plant Nutrients Holdings, Inc. provides removal scrap and waste materials. The company is headquartered in Zellwood, FL.

American Water Works Co., Inc. engages in the provision of complementary water and wastewater services. It operates through the following segments: Regulated Businesses, Market-Based Businesses, and Other. The Regulated Businesses segment offers water and wastewater services to customers. The Market-Based Businesses segment includes the military services group, which enters into long-term contracts with the U.S. government to provide services on various military installations. The Other segment refers to the corporate costs that are not allocated to the operating segments, eliminations of inter-segment transactions, fair value adjustments, and associated income and deductions related to the acquisitions that have not been allocated to the operating segments for evaluation of performance and allocation of resource purposes. The company was founded in 1886 and is headquartered in Camden, NJ.