NES Company

What NES Company does

NES Company Inc. is a private Fairfield, New Jersey-based manufacturer and distributor of industrial vacuum pumps, compressors, blowers, boosters, and related equipment founded in the mid-1990s. The company's core business is producing aftermarket drop-in replacements — directly interchangeable with units from OEMs including Nash, Siemens, Graham, Edwards, Flowserve SIHI, Travaini, and Somarakis — alongside its own branded product lines spanning liquid ring, rotary vane, dry screw, dry claw, dry scroll, and roots-type technologies. Its product portfolio covers capacities from 4 CFM compact dry rotary vane pumps to 56,500 CFM liquid ring systems, supplemented by remanufactured pump exchange programs, spare parts, repair kits, rotary airlock valves, and engineered vacuum systems.

NES generates revenue through direct hardware sales across multiple channels: phone-based consultative selling, email and website quote requests, and a registered distribution partnership with ANEST IWATA for dry scroll pumps. Pricing is quote-based with no public list pricing, consistent with project-driven industrial equipment sales. The customer base is diversified across at least seven verticals — chemical processing, pharmaceuticals, pulp and paper, aerospace and defense, power generation and mining, municipal and environmental, food and beverage, and medical/healthcare — served primarily in North America.

The company has operated continuously for over 30 years without external venture funding, growing organically from a distributor of condensate systems and aftermarket Nash liquid ring replacements into a multi-technology vacuum solutions provider. Its value proposition rests on OEM-compatible engineering, factory performance testing, 1–2 year warranties, and a remanufactured pump exchange program that minimizes customer downtime, all delivered through a small but specialized direct sales operation.

Name

NES Company

Legal name

NES Company Inc.

Website

https://nescompany.com

Company type

Private

Founded year

1994

Operating status

Operating

Headcount range

11–50 employees

Short description

NES Company is a private Fairfield, NJ manufacturer and distributor of aftermarket drop-in replacement vacuum pumps, compressors, blowers, and engineered vacuum systems serving industrial customers across chemical, pharmaceutical, aerospace, and processing verticals.

Ownership category

akta.pro rank

Product category

Industrial Vacuum Pumps and Compressors

NAICS

Pump and Compressor Manufacturing (33391), Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341)

SIC

Pumps & Pumping Equipment (3561), Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures (3430)

akta.pro primary industry

Vacuum Pumps & Systems (IMAHANAD)

akta.pro secondary industries

Pump & Compressor Packages (Skids, Booster Sets) (IMAHANAG), Vacuum Systems & Components (Vacuum Pumps, Ejectors, Cups, Grippers) (IMAHAGAN), Aftermarket Parts, Service & Remanufacturing (Pumps/Compressors) (IMAHANAJ)

Keywords

• Industrial vacuum pumps
• Liquid ring vacuum pumps
• Rotary vane vacuum pumps
• Dry screw vacuum pumps
• Aftermarket pump replacements

Headquarters

HQ city

Fairfield

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Others

Revenue model

1. New Vacuum Pumps and Compressors: Sale of new liquid ring vacuum pumps, rotary vane vacuum pumps, dry screw vacuum pumps, dry claw vacuum pumps, dry scroll vacuum pumps, and compressors under various series (NP, NC, NL, NX, N904, NAT, NBE, NPV, NCC, NHF, NTC, NTS, N1B, NVX, NRV, NDRV, NTRV, NB, NRB, NSP, NCP). Products include drop-in replacements for major OEM brands and NES-branded original designs.
2. Remanufactured Pumps: Remanufactured liquid ring vacuum pumps and compressors available with core exchange in cast iron and stainless steel. Includes CL series, SC series, and other models. Features pump exchange program allowing shipment of replacement before receiving core.
3. Spare Parts and Accessories: Directly interchangeable aftermarket spare parts and accessories including cones and port plates, rotor shaft assemblies, heads and bodies, bearings, motors, couplings, gears, heat exchangers, control panels, sensors, valves, repair kits, and mechanical seals.
4. Engineered Vacuum Systems: Custom engineered packages and process vacuum systems designed for specific customer applications.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels6 records

Core offering

NES Company manufactures and distributes vacuum pumps, compressors, blowers, and steam heating equipment for industrial, commercial, and heating markets. Its core specialty is aftermarket drop-in replacement pumps and spare parts directly interchangeable with major OEM brands such as Nash, Siemens, Graham, Edwards, Flowserve SIHI, Travaini, and Somarakis, supported by remanufactured pump exchange programs and custom engineered vacuum systems.

Product overview

NES Company is an engineered vacuum pump and compressor solutions provider offering a comprehensive portfolio of industrial equipment. The product lineup centers on liquid ring vacuum pumps (with multiple series covering single/dual stage and conical lobe/port plate designs), rotary vane vacuum pumps (oil-flooded and dry-running variants), and dry screw/claw/scroll vacuum pumps. The company specializes in aftermarket drop-in replacements for major OEM brands including Nash, Siemens, Graham, Edwards, Flowserve SIHI, and others. Supporting products include Roots-type boosters and blowers, steam heating equipment (boiler feed units, condensate pumps/units), rotary airlock valves, and comprehensive spare parts and repair kits. The portfolio serves diverse industries including chemical processing, pharmaceuticals, food and beverage, power generation, petrochemical, mining, pulp and paper, and more.

Differentiator

Problem solved

Functional benefit

Products and services

• Liquid Ring Vacuum Pumps (NTS, NP, NC, NL, NX, N904, NAT, NBE, NPV, NCC, NHF, NTC series) Comprehensive line of single-stage and two-stage liquid ring vacuum pumps and compressors designed as aftermarket drop-in replacements for Nash Classic Premier, CL, SC, Vectra XL, 904/905, AT, Siemens L2 2BE, Tuthill A, Dekker, Graham PEPVAC, Edwards SHR, and Busch LB series; available in capacities from 18 to 56,500 CFM with vacuum levels up to 29 inches Hg for industrial process applications.
• NVX Series Liquid Ring Vacuum Pumps Single-stage liquid ring vacuum pumps designed as aftermarket bolt-in replacements for Travaini TRVX series, with capacities up to 590 CFM and vacuum capabilities up to 27.5 inches HgV for industrial customers seeking Travaini-compatible equipment.
• N1B Series Liquid Ring Vacuum Pumps Single-stage liquid ring vacuum pumps serving as bolt-in replacements for Edwards LR1B Series, with cast iron construction and capacities from 2,300 to 56,500 CFM for chemical, pharmaceutical, power generation, and environmental processing industries.
• Somarakis Liquid Ring Pumps and Compressors Aftermarket replacement liquid ring pumps and compressors for Somarakis equipment, including rebuild services, spares, new units, and rebuild kits for Pulp and Paper, Chemical, Heavy Industrial, Energy, Mining, and Food processing customers.
• Remanufactured CL Series Liquid Ring Pumps Remanufactured Nash CL series vacuum pumps available with core exchange in cast iron and stainless steel, with CL-200 through CL-6000 models typically stocked for rapid replacement and reduced customer downtime.
• Remanufactured SC Series Liquid Ring Pumps Remanufactured Nash SC series vacuum pumps available with core exchange in cast iron and stainless steel, with SC-2 through SC-7 models typically stocked for aftermarket customers.
• NRV Series Rotary Vane Vacuum Pumps Oil circulated rotary vane vacuum pumps designed for smaller industrial applications, where vanes are pushed against the pump chamber by springs or hydraulic pressure with oil spreading to seal the pump chamber.
• NDRV Series Dry Running Rotary Vane Vacuum Pumps Dry-running single-stage compact rotary vane vacuum pumps with carbon vanes, capacities from 4-17 CFM and vacuum levels up to 27 inches Hg, designed to minimize environmental impact by avoiding oil contamination in small-capacity applications.
• NTRV Series Oil Circulated Two Stage Rotary Vane Vacuum Pumps Small oil circulated two stage rotary vane vacuum pumps generating vacuum up to 1x10-3 torr at flow rates between 2 and 64 CFM, with tight tolerances for low noise and low vibration in small-capacity applications.
• Duplex Rotary Vane Medical Vacuum System Tank-mounted duplex rotary vane vacuum systems with 1-10 HP rotary vane vacuum pumps, NFPA 99 and NEC compliant with a U.L. listed control cabinet and ASME receiver for healthcare and medical facility applications.
• NSP Series Dry Screw Vacuum Pumps Dry-running screw vacuum pumps engineered for zero carryover and total process isolation, featuring variable pitch rotor design for superior efficiency and thermal stability under harsh chemical conditions with no sealing fluid required.
• NCP Series Dry Claw Vacuum Pumps Dry claw vacuum pumps with tight tolerances and precision-machined claw design, delivering maximum efficiency and reliability with complete isolation between lubrication and process gas for industrial processes requiring high raw flowrate.
• Anest Iwata Dry Scroll Vacuum Pumps NES Company is a registered distributor for ANEST IWATA dry scroll vacuum pumps, including ISP, DVSL, and GVSU Series, in compact designs engineered for efficiency from the inventors of the world's first Oil-Free Scroll Vacuum Pump.
• NB Series Roots-Type Bi-Lobe Vacuum Boosters High performance Roots-type bi-lobe vacuum boosters with five-point bearing design and double oil tanks built for roughing at high vacuum levels, spanning 100 to 60,000 CFM at 3 to 150 HP.
• NRB Series Roots-Type Blowers Roots-type blowers for roughing and removal of condensable process gases, with three-lobe design reaching pressure of 1034 mbarg and vacuum of 339 mbar, available from 220 to 9,300 CFM and 4 to 400 HP.
• Boiler Feed Units Horizontal and vertical boiler feed vacuum units with robust construction and competitive pricing, building 30 to 180 gallon units with industry standard electric motors for long term cost savings in commercial heating applications.
• Condensate Pumps Horizontal centrifugal pumps for in-line applications including chilled water systems, cooling towers, and boosters, with capacities of 0-37 GPM and discharge pressure of 10-40 PSIG, designed for efficient operation up to 200°F.
• Steel and Cast Iron Condensate Units Low entry cost condensate vacuum pump units built with quality bronze centrifugal pumps, with up to 60,000 EDR units assembled with industry standard electric motors for easy repairs using standard components in steam heating systems.
• Vacuum Condensate Units (NES Type CLS) NES Type CLS Vacuum Heating Pumps designed to precisely match requirements of vacuum steam systems, among the most efficient and reliable liquid ring vacuum condensate units available for steam heating applications.
• Drop-Through Rotary Airlock Valves Rotary airlock valves designed to ensure precise material flow in pneumatic conveying and metering applications, with drop-through design allowing gravity-assisted discharge while maintaining system pressure, available in cast iron or stainless steel with 6 inch to 18 inch bore sizes.
• Blow-Through Rotary Airlock Valves Rotary airlock valves that boost pneumatic conveying efficiency with integrated air-assist for improved discharge and flow consistency, available in cast iron or stainless steel with 6 inch to 18 inch bore sizes and six to ten-vane rotors.
• Liquid Ring Vacuum Pump Repair Kits, Silencers, and Separators Full range of liquid ring vacuum pump inlet and outlet silencers and mufflers, plus air-water separators, as high quality drop-in replacements for Burgess-Manning products to support operating liquid ring vacuum pumps.
• Directly Interchangeable Aftermarket Parts and Accessories Directly interchangeable aftermarket spare parts and accessories for Nash liquid ring vacuum pumps and compressors, including cones and port plates, rotor shaft assemblies, heads and bodies, bearings, motors, couplings, gears, heat exchangers, control panels, sensors, valves, repair kits, and mechanical seals.

Quantifiable outcome

• NHF Series produces up to 40% more capacity per horsepower compared to standard designs
• +3 more outcomes

Named customers11 records

Segments7 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• ANEST IWATAcoreChannel Partner/ Reseller/ DistributorNES Company Inc. is a registered distributor for ANEST IWATA dry scroll vacuum pumps, partnering with the inventors of the world's first Oil-Free Scroll Vacuum Pump. Through the ISP, DVSL, and GVSU Series, NES Company Inc. provides dry scroll vacuum pumps in compact design engineered for efficiency.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Edwards (Atlas Copco): Major OEM of vacuum pumps including the LR1B and SHR liquid ring series that NES directly competes against via N1B and NPV aftermarket replacements; broad dry pump and abatement portfolio.
• Becker Pumps: Manufacturer of rotary vane vacuum pumps, regenerative blowers, and side-channel blowers overlapping with NES's NRV, NDRV, NTRV, NRB, and NB product lines in industrial vacuum and blower applications.
• Travaini Pumps: Italian OEM of liquid ring vacuum pumps (TRVX series) targeted by NES's NVX aftermarket replacements; both firms compete in industrial process vacuum.
• Tuthill Vacuum & Blower Systems: Manufacturer of A series liquid ring and rotary vane vacuum pumps targeted by NES's NCC drop-in aftermarket replacements; competes in chemical, food, and packaging.
• Dekker Vacuum Technologies: Manufacturer of liquid ring (DV B-K) and other vacuum pumps targeted by NES's NCC series aftermarket replacements; comparable mid-sized competitor.
• Graham Corporation: OEM of PEPVAC (1PV/2PV) liquid ring vacuum pumps targeted by NES's NPV port-plate two-stage replacements; serves defense, energy, and process industries.
• Busch Vacuum Solutions: Global manufacturer of oil-sealed rotary vane, dry claw, and liquid ring vacuum pumps including the LB series that NES's NPV line replaces; broad industrial customer base.
• Gardner Denver (Nash): Original equipment manufacturer of Nash liquid ring vacuum pumps and compressors (CL, SC, TC, AT, 904 series) — the incumbent whose installed base NES primarily targets with drop-in replacement products.
• Flowserve (SIHI): OEM of SIHI liquid ring pumps (LPH series) targeted by NES's NTS port-plate drop-in replacements; competes in process and industrial vacuum applications.

Broad incumbents

• Anest Iwata: Inventor of the first oil-free scroll vacuum pump and manufacturer of ISP, DVSL, and GVSU dry scroll pumps — NES is a registered distributor for Anest Iwata dry scroll technology.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

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Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about NES Company