Duniway Stockroom

Name

Duniway Stockroom

Legal name

Duniway Stockroom Corporation

Website

https://duniway.com

Company type

Private

Founded year

1976

Operating status

Operating

Headcount range

11–50 employees

Short description

Duniway Stockroom Corporation is a privately held, Fremont, California-based vacuum equipment manufacturer, distributor, and rebuilder founded in 1976. It sells new and rebuilt ion pumps, mechanical pumps, diffusion pumps, turbo pumps, gauges, valves, and supplies — alongside its own Galaxy, Terranova, and PentaVac 5 brands — to universities, government labs, OEMs, and industrial end-users worldwide.

Ownership category

akta.pro rank

Product category

Vacuum Equipment Manufacturing and Distribution

NAICS

Pump and Compressor Manufacturing (33391), Air and Gas Compressor Manufacturing (333912)

SIC

Pumps & Pumping Equipment (3561), Wholesale-Machinery, Equipment & Supplies (5080)

akta.pro primary industry

Vacuum Pumps & Systems (IMAHANAD)

akta.pro secondary industries

Vacuum Systems & Components (Vacuum Pumps, Ejectors, Cups, Grippers) (IMAHAGAN), Aftermarket Parts, Service & Remanufacturing (Pumps/Compressors) (IMAHANAJ), Industrial Vacuum Systems (Wet/Dry, Dust Extraction) (IMAHALAC)

Keywords

• Vacuum equipment supply
• Ion pump manufacturing
• Mechanical vacuum pumps
• Pump rebuilding services
• Vacuum hardware components

Headquarters

HQ city

Fremont

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, Marketing or Sales, Technology or R&D

Revenue model

1. Vacuum Equipment Product Sales: Sale of new and rebuilt vacuum equipment including ion pumps, mechanical pumps, diffusion pumps, turbo pumps, valves, gauges, hardware, and supplies. Both new manufactured products and professionally rebuilt equipment are sold.
2. Pump Rebuilding Services: Professional rebuilding and repair services for ion pumps, mechanical pumps, and diffusion pumps, offered with a one-year warranty covering defective parts and workmanship.
3. Vacuum Supplies: Sale of consumable supplies including pump oils (mechanical, diffusion, turbo), greases, sealants, lubricants, vacuum tubing, bell jars, and dessicators.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

Duniway Stockroom manufactures and distributes vacuum equipment, offering both new and professionally rebuilt ion pumps, mechanical pumps, diffusion pumps, turbo pumps, valves, gauges, hardware, and supplies. The company also provides professional pump rebuilding and repair services backed by a one-year warranty, serving universities, government laboratories, OEMs, and industrial end-users worldwide.

Product overview

Duniway Stockroom is a vacuum equipment supplier founded in 1976, offering a comprehensive portfolio of new and rebuilt vacuum products. The core product lines include Ion Pumps (in Diode, Triode, and Galaxy configurations), Mechanical Pumps (rotary vane, scroll, and piston designs from Edwards, Welch, Alcatel, Leybold, and NAVAC), Diffusion Pumps, Turbo Pumps, Vacuum Sensors (thermocouple, capacitance, convection, cold cathode, and ion gauge types), Gauge Controls (Terranova brand controllers), Valves (UHV gate valves, stainless steel, brass), and Hardware (KF/ISO flanges, Conflat fittings, feedthroughs). Supporting product lines include Supplies (oils, greases, sealants, bell jars), Leak Detectors, and specialized accessories like ion pump controllers and cables. The company also provides Pump Rebuilding Services with a one-year warranty as a cost-effective alternative to new equipment. Products are sold primarily through an e-commerce platform with same-day shipping for in-stock items.

Differentiator

Problem solved

Functional benefit

Brands

• Galaxy: Ion pump cathode design brand providing stable pumping speed for air
• Terranova
• PentaVac 5

Products and services

• Ion Pumps Ion pumps for ultra-high vacuum applications, available in new and rebuilt variants. Includes Diode, Triode, and Galaxy configurations with various pumping speeds (8-500 l/s), serving research, OEM, government, and industrial customers.
• Mechanical Pumps Oil-sealed and dry mechanical vacuum pumps including rotary vane, piston, and scroll designs sourced from manufacturers such as Edwards, Welch, Alcatel, Leybold, Kinney, and NAVAC. Available as new and rebuilt units.
• Diffusion Pumps High-vacuum diffusion pumps offering high pumping speed to cost ratio, available as rebuilt units with parts and rebuilding services for research and industrial vacuum applications.
• Turbo Pumps Turbo molecular pumps and controllers including new Agilent units and rebuilt units from Alcatel, Edwards, Leybold, Pfeiffer, and Varian, used for high-vacuum applications.
• Vacuum Sensors Vacuum measurement sensors including thermocouple, capacitance diaphragm, piezo diaphragm, convection gauge, cold cathode gauge, and ion gauge tubes for monitoring vacuum systems.
• Gauge Controls Terranova-brand vacuum gauge controllers including convection, diaphragm, thermocouple, and multi-modular models for monitoring vacuum systems.
• Valves Vacuum valves including UHV gate valves, stainless steel valves, brass valves, leak valves, and Sentry valves in new and rebuilt conditions.
• Hardware Vacuum hardware including KF and ISO flanges/fittings, Conflat flanges/fittings, electrical and motion feedthroughs, glass viewports, and mounting hardware.
• Supplies Vacuum supplies including diffusion pump oil, mechanical pump oil, turbo pump oil, greases, sealants, lubricants, vacuum tubing, bell jars, and desiccators.
• Leak Detectors Leak detector parts, accessories, ion sources, filaments, calibrated helium leaks, and leak detector rentals for vacuum system integrity testing.
• Pump Rebuilding Services Professional rebuilding and repair services for ion pumps, mechanical pumps, and diffusion pumps, offered with a one-year warranty covering defective parts and workmanship as a cost-effective alternative to new equipment.
• Terranova Ion Pump Controllers Duniway-manufactured Terranova ion pump control units including the Terranova 762 dual ion pump controller with various HV connector and voltage options for operating ion pumps.
• Titanium Sublimation Pumps Titanium sublimation pumps and parts including Varian-style cartridges, cryoshrouds, filaments, and rebuilt controllers for ultra-high vacuum applications.
• Surplus Equipment Surplus, refurbished, and discontinued vacuum equipment available at special pricing through the company's eBay store and direct contact, featuring refurbished parts, new discontinued parts, and one-off items.

Quantifiable outcome

• Same-day shipping on most in-stock items
• +2 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Nine partnerships are on record, tiered core and major.

• Varian Vacuum ProductscoreTechnology or IntegrationDuniway sells new Varian-style ion pumps, rebuilds Varian ion pumps including Classic Style and Vacion Plus models, and offers compatible parts and accessories. Varian-style products represent a core part of their ion pump business.
• EdwardscoreTechnology or IntegrationDuniway offers new Edwards mechanical pumps, dry scroll pumps, and turbo pumps, as well as rebuilt Edwards pumps and compatible parts, filters, and rebuilding kits.
• WelchcoreTechnology or IntegrationDuniway sells new Welch mechanical pumps, dry diaphragm pumps, WOB-L piston pumps, and rebuilt Welch pumps along with compatible parts, filters, and rebuilding kits.
• LeyboldcoreTechnology or IntegrationDuniway offers rebuilt Leybold mechanical pumps and compatible parts, filters, and rebuilding kits for Leybold vacuum equipment.
• AlcatelcoreTechnology or IntegrationDuniway sells rebuilt Alcatel mechanical pumps and offers compatible parts, filters, and rebuilding kits for Alcatel vacuum equipment.
• AgilentmajorTechnology or IntegrationDuniway sells new Agilent IDP dry scroll pumps and TriScroll pumps, as well as rebuilt Varian/Agilent equipment including TriScroll and PTS series pumps.
• Perkin ElmercoreTechnology or IntegrationDuniway rebuilds Perkin Elmer ion pumps, sells new PE-style pumps with magnets, and offers compatible elements, parts, and rebuilding services for PE-style equipment.
• NAVACmajorTechnology or IntegrationDuniway sells new NAVAC rotary vane pumps including ED and NRD series models.
• Anest IwatamajorTechnology or IntegrationDuniway offers new Anest Iwata dry scroll pumps (ISP series) and rebuilds Anest Iwata vacuum equipment.

Scale indicators3 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Kurt J. Lesker Company: Independent global distributor and manufacturer of vacuum equipment, components, and materials with a comparable multi-OEM authorized distribution model and proprietary product lines. Directly competes with Duniway across ion pumps, mechanical pumps, and vacuum hardware.
• Ideal Vacuum Products: US-based vacuum equipment distributor and rebuilder serving research, government, and industrial customers with new and refurbished pumps plus a broad hardware catalog. Mirrors Duniway's e-commerce-first, in-stock, same-day shipping model.
• Nor-Cal Products: Manufacturer and supplier of vacuum components, fittings, flanges, valves, and custom chambers. Overlaps with Duniway's hardware, valves, and custom vacuum offerings, particularly for OEM and research customers.
• HVA (High Vacuum Apparatus): Vacuum equipment distributor and rebuilder offering new and rebuilt ion pumps, leak detectors, and related instrumentation. Closely matches Duniway's rebuilding services and ion pump product focus.
• MDC Vacuum Products: Supplies vacuum components, hardware, valves, and custom chambers used in research and industrial vacuum systems. Overlaps with Duniway on hardware, fittings, and feedthroughs serving similar research and OEM customers.

Broad incumbents

• Pfeiffer Vacuum: Global vacuum technology OEM offering pumps, leak detectors, and instrumentation across research, semiconductor, and industrial markets. Both a competing brand and a supplier (its pumps are resold/rebuilt by Duniway), and a broader incumbent in the same category.
• Agilent Vacuum Technologies (Varian): Owns the legacy Varian vacuum product line (ion pumps, turbo pumps, leak detectors). Duniway resells and rebuilds Varian/Agilent equipment, making Agilent both a key partner and a broad incumbent competitor with much larger scale.
• Edwards Vacuum: Atlas Copco-owned vacuum OEM offering a full range of pumps and abatement systems. Both a major supplier to Duniway (new and rebuilt Edwards pumps) and a broad incumbent competing for the same industrial and research customers.
• Leybold: Atlas Copco-owned vacuum OEM with deep heritage in mechanical pumps, diffusion pumps, and turbo pumps. Duniway's relationship is concentrated in rebuilt Leybold equipment and parts, making it both a supplier and broad incumbent competitor.
• Agilent (TriScroll / IDP dry scroll pumps division): Supplies dry scroll pumps (TriScroll, IDP) that Duniway resells new and rebuilt. Represents the broader OEM incumbent competing in the same dry pump category Duniway serves through authorized distribution and rebuilding.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 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 Duniway Stockroom