Manufacturers
Aero-Mod, founded in 1981, manufactures wastewater treatment systems specializing in biological nutrient removal. Their patented SEQUOX and SEQUOX+ processes combine sequencing aeration with continuous clarification, achieving total nitrogen levels of 3 mg/L and phosphorus below 1 mg/L with the Bio-P option. Product lines include the ClarAtor secondary clarifier (no moving parts below the waterline), the DO2ptimizer aeration control system, and the TRITAN stainless steel belt filter press for sludge dewatering.
Amwell (formerly American Well Works, est. 1868) manufactures water and wastewater treatment equipment from their USA facility. Product lines include heavy-duty front-cleaned bar screens (vertical or inclined, 1.5 to 7 feet wide, depths to 30 feet), a broad clarifier equipment line for both water and wastewater, scum skimmers, rotary distributors, and gear drive assemblies. Over 2,500 gear drive assemblies installed and 1,000+ projects completed. Amwell also provides rehabilitation services for legacy equipment including American Well Works, American Bowser, and Keene brands.
Aquaturbo (Aquasystems International, SFA Enviro Group) manufactures surface aerators, mechanical mixers, and decanters for wastewater treatment. Product range includes AquaDDM direct drive mixers (1.5-50 HP), AquaMix jet aerators, AquaFlex flexible floating surface aerators (5-100 HP), and SB/SBX submersible aspirator aerators for deep tank applications.
Continental Blower (est. 1973, Syracuse, NY) manufactures multistage centrifugal blowers and single-stage integrally geared turbo blowers for aeration and gas management. Part of the Continental Industrie global family with 40+ locations worldwide. Over 40,000 units in operation. Blowers provide pulse-free, oil-free air at flow capacities up to 35,000 SCFM and pressures to 25 psig. Every unit undergoes a 4-hour mechanical run test and 5-point ASME performance test before shipment. They provide full design, startup, commissioning, and field service support.
DryCake (est. 1995) is a global separation technology company with offices in America and Europe. Product lines include decanter centrifuges with their proprietary Hybrid Drive system (reduces energy consumption by 30%), the DRYPRESS screw press for three-stage progressive dewatering, the DRAIMAD TEKNOBAG dewatering bag system, and the SCUDRAIN sludge drainage system. All centrifuges are manufactured in Italy. DryCake also manufactures screens, grit removal equipment, and depackaging systems for food waste preprocessing. Over 100 staff worldwide with 30+ authorized service technicians in America.
EBARA Pumps Americas Corporation (EPAC), a subsidiary of EBARA Corporation (Japan, est. 1912), manufactures water and wastewater pumps from their Rock Hill, SC facility. Winschel Environmental is a full-line Ebara representative. Stainless steel pumps are available in our online store - EPD/Optima, CDU, 3U/3U4, 2CDXU, EVMS, DWXU Dominator, DWO, JEU, and Oil Smart lines. Cast iron product lines (GSU, GSDU, DML, DWF, DLFU) are available by quote. EPAC features factory testing capability up to 400 HP and the eDYNAMiQ high-efficiency technology platform.
EFI-Solutions (est. 1964, Centralia, IL) is North America's leading prefabricated water pump station manufacturer with 150+ employees and 60+ years in business. All systems are designed, engineered, pre-assembled, and factory-tested before delivery. Product lines include water booster pump stations, wastewater lift stations, water treatment enclosures, chemical feed systems, and SCADA/telemetry integration. EFI delivers complete turnkey systems in underground capsule, indoor skid, and walk-in/drive-in building formats.
EFI USA (est. 1993, Gaston, SC) is the national leader in geosynthetic liner and cover installation with 489+ operating biogas lagoon systems in the US. Products include covered lagoon anaerobic digester (CLD) systems, floating and fixed geomembrane covers, lagoon liners, baffle systems, gas conditioning systems, and cloud-based monitoring equipment. EFI manages 10 billion gallons of treated water per day and achieves an 88% average reduction in greenhouse gas emissions post-installation. They serve municipal wastewater, agricultural, and industrial applications across the full project lifecycle.
Entex Technologies (Chapel Hill, NC) manufactures biological treatment media and systems for MBBR, IFAS, and SFF applications with 100+ installations treating over 70 million GPD of design capacity. Product lines include WavTex (moving woven EnTextile media - no retention screens required), Webitat (fixed BioWeb stainless steel media), BioBloc (floating fixed-film modules for lagoons), and Hybrid Media systems. Entex also manufactures the Octopus floating aeration system and the FlowTex 2nd generation disc filter for tertiary filtration. Packaged plants available from 10,000 GPD to 3.0 MGD.
Excelsior Blower Systems (est. 1993, Blandon, PA) designs and manufactures engineered positive displacement blower and vacuum pump packages from their 35,000 sq ft facility. Over 10,000 installations worldwide. Excelsior is a factory-authorized distributor and service center for Gardner Denver (Sutorbilt, Duroflow, HeliFlow), Hoffman & Lamson, and Elmo Rietschle. Products include complete PD blower packages, modular aluminum sound enclosures (up to 25 dB reduction), and rental units. Wastewater applications include grit aeration, channel aeration, aerobic digestion, and filter backwashing.
Flomotion Systems (Middleport, NY) provides flow measurement, level measurement, and chemical metering equipment. Product lines include ISOMAG electromagnetic flowmeters (1/8" to 78" pipe, accuracy to 0.2%, NSF-approved for drinking water), FM8000 open channel flow meters, peristaltic chemical metering pumps, LMI diaphragm metering pumps with pH/ORP controllers, Sigmamotor back pressure valves and calibration cylinders, and ultrasonic level measurement instruments. Battery-powered options available with up to 15-year battery life.
Fluidyne (Cedar Falls, Iowa) is a globally recognized wastewater treatment technology company with 40+ years of experience and hundreds of installations worldwide. Core products include the ISAM (Integrated Surge Anoxic Mix) total treatment system, the SAM (Surge Anoxic Mix) process, Sequencing Batch Reactors (SBR - first company to commercially design and operate SBR technology, 300+ plants worldwide), the Jet MCR oxidation ditch, jet aeration and aspiration systems, jet mixing systems, and the Hydro-Grit vortex grit removal system (95% removal at 74 microns). Tertiary filtration systems also available.
Grande Water Management Systems (est. 2002) specializes in CSO reduction, SSO elimination, stormwater management, and wastewater conveyance infrastructure. Products include overflow screening systems (ACU-SCREEN slotted screens, TRU-RAKE bar screens), tank and sewer flushing systems (ACU-TIP tipping buckets, ACU-GATE flushing gates, ACU-DRUM pivoting drums), floatables retention systems, and flood protection equipment. Over 6,000 installations worldwide. Exclusive North American partner of MUHR (60+ years of European engineering). All products in stainless steel, most powered by waterflow energy without external power.
Keystone Conveyor designs and manufactures custom conveying solutions for bulk material handling. Product lines include belt conveyors (side wall, troughed, slider bed, shuttle, pivoting, stack-out), screw conveyors (including shaftless designs for sticky and stringy materials), belt elevators, lime feed and mix systems, bag feed systems, and dust collection systems. All systems are custom-designed for specific application requirements.
Landia (Danish manufacturer, US office in Morrisville, NC) manufactures chopper pumps, submersible mixers, and digester mixing systems with 90+ years of history. Their GasMix system provides external-component digester mixing - all mechanical parts outside the tank for safe maintenance without emptying the digester. Landia also manufactures the PumpMix recirculation system, submersible and dry-installed chopper pumps (for rag/solids handling in lift stations and digester feed), and the BioChop system for food waste preprocessing. Some Landia mixers have been operating continuously since the late 1980s (25-30+ year service life).
LobePro (Brunswick, GA) manufactures 13 models of rotary lobe pumps across three series. The S-Series handles sludge, slurries, and abrasive fluids with hardened steel wear plates (8 to 2,500 GPM, up to 150 PSI). The C-Series uses stainless steel and FKM-coated lobes for corrosive chemical service. The D-Series features Type 2205 duplex stainless steel for chloride, hydroxide, and H2S environments. API 676-compliant versions available. All pumps are self-priming (25 ft suction lift), can run dry, and handle entrained gases. ISO 9001:2015 certified. Built and assembled in the USA with a 2-day wear parts shipping guarantee.
Nuvonic (formerly Hanovia, Aquionics, Berson, and Orca - unified under the Nuvonic brand) manufactures UV disinfection systems with 100+ years of combined UV innovation history and thousands of installations in 100+ countries. The ProLine system provides validated drinking water disinfection as a Cryptosporidium and Giardia barrier. The OpenLine open-channel system handles wastewater effluent disinfection and water reuse applications. Nuvonic is the only global company offering UV disinfection across water, surface, and air from a single source. Americas office in Charlotte, NC.
PCM (French manufacturer, 90+ years, operations in 90+ countries) manufactures progressing cavity pumps based on the Moineau principle. The EcoMoineau MX flagship model features maintenance-in-place (MIP) design - rotor/stator replacement without removing the pump from the pipeline (0.3 to 180 m?/h). Additional lines include the EcoMoineau C (fixed stator, stainless steel), CF (floating stator, compact), and MF (cast iron, polymer dosing). PCM also manufactures peristaltic pumps, diaphragm metering pumps, and industrial grinders for wastewater applications.
SNF Group (US subsidiary: SNF Polydyne, Riceboro, GA) is the world's preeminent manufacturer of water-soluble polymers with 8,150 employees, 70 subsidiaries in 40+ countries, and 1,000+ products. The FLOPAM product line includes dry, emulsion, and liquid flocculant polymers in anionic, nonionic, and cationic forms for clarification, thickening, and dewatering. SNF also manufactures FLOQUIP polymer preparation and feed equipment. EcoVadis Platinum Medal for sustainability (2025). The only polymer supplier with integrated in-house manufacturing, direct field sales, and makedown equipment.
Prime Solution (Otsego, MI, est. 30+ years ago) manufactures the Rotary Fan Press 2.0 for municipal and industrial sludge dewatering with 200+ installations worldwide. Available as free-standing press, complete skid systems, and mobile/trailer-mounted units. Key advantages include low energy consumption, quiet enclosed operation, small footprint, and one primary wear part (filter screens carry a lifetime warranty). 100% manufactured in the USA - BABA compliant with no added cost or lead time. Multiple screen sizes for scalable throughput.
Syneco Systems manufactures the Peacemaker line of point-source H2S odor control equipment featuring patented converting media technology that achieves 99%+ removal of average and peak H2S loadings. Product lines include converting and polishing dry air scrubbers, odor control vent scrubbers, Peacemaker media, and manhole scrubbers for wastewater collection systems and treatment plants. Standard and custom models available with low upfront costs and zero-maintenance media options.
UET Mixers (Mechanic Falls, ME, employee-owned subsidiary of Downeast Machine & Engineering) designs and manufactures agitators and static mixers with 30+ years of experience. Product lines include XCEL-200N to 600N top-entering agitators (up to 1,000 HP, shaft lengths to 50 ft without steady bearing), pipeline mechanical mixers (up to 20 HP, line sizes unlimited, viscosities to 10,000 cPs), side-entering mixers, magnetic drive mixers, and multiple static mixer designs (helical, whirled, foil, PAC/wafer). Custom engineering with proprietary software and CFD analysis.
Ultraflote designs, engineers, fabricates, and installs aluminum geodesic domes and flat panel covers for liquid and dry bulk storage tanks. The Ultradome provides durable, low-maintenance protection for municipal water storage, industrial tanks, and environmental containment - available in batten and lapped panel designs. Flat panel aluminum covers are airtight, lightweight, and corrosion-resistant for potable water protection and wastewater odor containment. All products are designed and fabricated in the USA.
USEMCO (Tomah, WI) manufactures custom-fabricated industrial control panels, motor control centers (MCCs), SCADA/telemetry systems, and modular enclosures for water and wastewater facilities. UL 508A certified (industrial control panels) and UL 698A certified (hazardous location panels). Enclosures are custom-fabricated in-house with NEMA 4X stainless steel options available. SCADA and telemetry integration includes remote monitoring, alarming, data logging, and reporting. ASME U-stamp and H-stamp certified. Factory technicians provide on-site startup, commissioning, and operator training. Winschel Environmental represents USEMCO for control systems only.
Walchem (Iwaki America, Holliston, MA) manufactures online analytical instruments, electronic metering pumps, and water treatment controllers. The Intuition-9 controller handles up to 24 sensor inputs and 12 relay outputs for complex multi-parameter applications. The W600, W900, and W100 controller series serve cooling, boiler, and disinfection applications respectively. Walchem also distributes Iwaki chemical handling pumps. All controllers feature touchscreen interfaces, Ethernet/BACnet/Modbus connectivity, and remote access with alarm notifications. ISO 9001 certified.
Wigen Water Technologies (est. 1965, Chaska, MN) is an OEM manufacturer of custom water treatment systems for municipal, industrial, and ultrapure applications. Technologies include ultrafiltration/microfiltration (UF/MF) membrane systems, nanofiltration (NF), reverse osmosis (RO), pressure filtration, arsenic removal, ion exchange, and mobile water treatment systems. Wigen provides complete application-specific engineering, manufacturing, field commissioning, and ongoing service. Systems meet EPA LT2ESWTR requirements for surface water treatment.
WTP Equipment Corp. (est. 1997, Brampton, Ontario) manufactures headworks screening and grit removal equipment. Product lines include front-cleaned reciprocating bar screens (no submerged moving parts), deep well bar screens for pump station applications, conveyor screens (Model CS - integrated screening, conveying, and dewatering), vortex grit removal systems (package plant and concrete tank options), grit classifiers (shafted and shaftless screw), grit collectors, screenings washing dewatering presses (Model CPW), and shaftless screw conveyors. All equipment is engineered to application-specific requirements.
DanPumps A/S (Haderslev, Denmark, est. 2013 with roots to 1984) manufactures wastewater, industrial, and marine pumps distributed in over 40 countries. Product lines include the S-WP submersible wastewater pumps and S-WN dry-installed wastewater pumps (68 to 4,000 m?/h, DN50 to DN600), inline industrial/marine pumps, end suction pumps, and drainage/sand/slurry pumps. All pumps are assembled and tested at DanPumps' facility in Denmark. ISO 9001:2015 certified. DanPumps became independent again in November 2023 after several years as part of the SonFlow group.
Municipal Filtration Co., LLC manufactures fixed plate (stationary) cloth media disk filters for tertiary wastewater treatment - the industry's first cloth media filter with no internal moving parts. No rotating discs, vacuum pumps, drive motors, or spray bars. Product lines include the MFC-P packaged 100% stainless steel filter systems (10 GPM to 6.0 MGD) and MFC-C modular components for installation in new or existing concrete tanks. MFC also manufactures fixed weir boxes and custom stainless steel tanks. All equipment designed, fabricated, and assembled in the USA.
Sencillo Systems (a Zoeller Company, Pennsylvania) designs and manufactures packaged pump systems with integrated variable-speed controls for commercial, industrial, and municipal water applications. Product lines include the Sencillo E (end suction booster systems), Sencillo V (vertical multistage booster systems), and Sencillo S (split case systems). 30+ years in the packaged pumping business. Proprietary SNAP web-based pump sizing software and 24/7 factory service support. Full 12-month warranty on all parts.