Lewis Environmental Services develops and provides wastewater treatment and recovery processes for industrial customers, with a focus on reducing hazardous waste and recovering heavy metals from process water. Its proprietary Enviro-Clean process uses treated activated carbon to remove metals, and its Enviro-Shale process treats and recycles hydraulic-fracturing water. The company also offers mobile treatment systems and on-site construction expertise.
Epiphany EnvironmentalFounded in 2009 around an efficient solar distillation unit, Pittsburgh-based Epiphany Environmental develops modular water-purification systems for industrial wastewater, with a particular focus on treating high-salinity produced water close to where it is generated. Its compact, portable equipment is designed to reduce hauling and disposal by enabling on-site treatment and reuse, and has been piloted with organizations including the Colorado Department of Transportation and energy producers in the Marcellus and Denver Julesburg basins. The company also serves food and dairy operations, including a cheese plant installation designed to process roughly 10,000 gallons of brine per day.PITTSBURGH, PA
Clean World IndustriesClean World Industries has worked on environmental treatment since 1994, with a focus on biologically driven approaches that reduce pollution without relying first on conventional chemical or physical methods. It helps industrial and municipal wastewater operators improve existing treatment systems through microbial treatment support and related engineering services.SHARPSVILLE, PA
Kroff IncFounded in 1988 by water-treatment professionals Keith Kronk and Fred Potthoff, Pittsburgh-based Kroff develops custom chemical and engineering solutions for industrial water, wastewater, and recycling challenges. Its 4,100-square-foot research facility, staffed by doctoral-level scientists, helps the company tailor treatments to each operation rather than rely on one-size-fits-all formulas. Kroff has grown from an early focus on steel into eight companies serving clients in markets around the world, with ISO 9001 certification and an EcoVadis Silver rating reflecting its focus on quality and environmental responsibility.AMBRIDGE, PA
Bethlehem Apparatus Co., IncSince 1950, Bethlehem Apparatus has built its business around recovering, recycling and retiring mercury and mercury-bearing waste. Its Hellertown mercury campus spans more than 150,000 square feet and includes 25 high-vacuum retorts, a continuous-feed retort and eight quadruple-distillation systems, giving the company capacity to process more than 200 types of waste. Bethlehem is also a domestic supplier of quadruple-distilled high-purity mercury and operates the only mercury treatment permit in the United States.HELLERTOWN, PA