Family-founded in the mid-1980s, Mercer International grew out of field engineers’ efforts to correct industrial wastewater systems that failed in actual operation. The company is known for an engineering-first approach to enhanced-gravity oil-water separation, designing equipment around real operating conditions rather than relying on generic sizing or short-life media. Mercer serves operators whose treatment systems must remain serviceable over decades, including industrial facilities and critical infrastructure.
API 421-aligned compliance
Compliance program
Elgin Separation SolutionsElgin Separation Solutions designs, manufactures, services, and repairs specialized processing equipment and engineered systems for separation, dewatering, material sizing, and material handling. Founded in 1864, the company reports more than 20,000 installations worldwide and operates as part of the ASTEC family of brands. Its work serves industrial processing and natural-resource operations, including mining, oil and gas, and water intake.PRINCETON, WV
Oil Skimmers, IncCleveland-based Oil Skimmers, Inc. invents and manufactures oil skimmers, oil-water separators, and custom systems that remove and recover oil from process water and wastewater. For nearly 60 years, its Brill® tube skimmer and related equipment have been applied to more than 38,000 oil-removal challenges in 121 countries. The company’s engineering team develops solutions ranging from adaptations of existing equipment to fully custom systems, supported by 38 U.S. sales and service offices and 48 overseas dealers.CLEVELAND, OH
Samsco CorporationFounded in 1985, Samsco Corporation is a Cleveland company known for more than two decades of focused work in industrial wastewater evaporation. It designs and manufactures systems for companies facing difficult wastewater chemistries, with its engineers evaluating each waste stream before helping shape an installation around the application.CLEVELAND, OH
Highland TankSince 1946, family-owned Highland Tank has grown from making 275-gallon basement heating-oil tanks into a U.S. manufacturer of steel storage tanks and wastewater treatment equipment. Based in Stoystown, Pennsylvania, the company now operates eight fabrication facilities and is known for adapting its tank designs to commercial and industrial needs, including its patented Corella oil/water separators.STOYSTOWN, PA