Leeden National Oxygen

What Leeden National Oxygen does

Leeden National Oxygen, now operating as Nippon Sanso Singapore Ltd, is a Singapore-headquartered manufacturer and distributor of industrial and specialty gases, welding products, and safety solutions. Established in 1964, the company runs specialized gas production and storage facilities supported by engineering and consultancy capability, and distributes a multi-principal portfolio of welding and safety brands including 3M Scott Safety, Hypertherm, Haws, Nederman, Novotex Isomat, 3M Protecta, Sky Armour, and SC Johnson.

The business serves enterprise customers across at least eight industry verticals — Oil & Gas, Electronics & Semiconductor, Aviation & Marine, Defense, Metal Fabrication, Healthcare, Building & Construction, and General Manufacturing — using a direct enterprise field sales model. Revenue is generated through hardware sales of gas, welding equipment and consumables, and safety solutions, with quote-based B2B pricing customized by volume and contract terms; pricing is not publicly disclosed.

The company is a wholly-owned subsidiary of Nippon Sanso, a global industrial gas conglomerate, and operates a multi-country Southeast Asian footprint with headquarters in Singapore and active operations in Indonesia and Thailand. The Leeden National Oxygen brand identity has been superseded by Nippon Sanso Singapore branding, reflecting full integration into the parent group. No revenue figures, management team details, or M&A history are disclosed in the available source material.

Name

Leeden National Oxygen

Legal name

Nippon Sanso Singapore Ltd

Website

https://leedennox.com

Company type

Private

Founded year

1964

Operating status

Operating

Headcount range

101–250 employees

Short description

Leeden National Oxygen (now Nippon Sanso Singapore Ltd) is a Singapore-based manufacturer and distributor of industrial and specialty gases, welding products, and safety solutions, serving enterprise customers in Oil & Gas, Electronics, Healthcare, Construction, and related industries across Singapore, Indonesia, and Thailand.

Ownership category

akta.pro rank

Product category

Industrial Gases and Welding Supplies

NAICS

Industrial Gas Manufacturing (32512), Industrial Machinery Manufacturing (33324)

SIC

Wholesale-Chemicals & Allied Products (5160), Wholesale-Industrial Machinery & Equipment (5084)

akta.pro primary industry

Air Separation (Oxygen/Nitrogen/Argon) (IMAEACAA)

akta.pro secondary industries

Welding & Cutting Gases (IMAEACAH), Gas Handling Equipment & Storage (Cylinders/Tanks/Valves) (IMAEACAL), Industrial Gases Logistics (Compressed/Cryogenic; Class 2) (TLAIAJAH)

Keywords

• Industrial gas supply
• Welding equipment distribution
• Safety solutions distribution
• Specialty gas production
• Welding consumables

Headquarters

HQ city

Bedok

HQ country

Singapore

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Infrastructure, Personnel, Marketing or Sales

Revenue model

1. Industrial & Specialty Gas Manufacturing & Distribution: Production and distribution of industrial and specialty gases through specialized production and storage facilities with engineering and consultancy capability
2. Welding Products Distribution: Distribution of comprehensive welding products including Filler Metals, Automation, Welding & Cutting Equipment, Pipe-related Equipment, Power & Hand Tools and Abrasives & Wire Brushes
3. Safety Solutions Distribution: Distribution of safety solutions including Personal Protection, Fall Protection & Rescue Systems, Emergency Response and Environmental Protection products

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Leeden National Oxygen, now operating as Nippon Sanso Singapore Ltd, is a manufacturer and distributor of integrated industrial gas, welding, and safety solutions. The company operates specialized gas production and storage facilities and supplies industrial and specialty gases, comprehensive welding products, and safety equipment to enterprise customers across Singapore, Indonesia, and Thailand.

Product overview

Nippon Sanso Singapore (formerly Leeden National Oxygen) offers an integrated platform of Gas, Welding, and Safety solutions. The core product portfolio comprises three main divisions: Gas Solutions (industrial and specialty gases with production, storage, and engineering consultancy), Welding Products (filler metals, automation, welding and cutting equipment, pipe-related equipment, power and hand tools, abrasives and wire brushes), and Safety Solutions (personal protection, fall protection and rescue systems, emergency response, and environmental protection). The company also distributes multiple third-party brands including 3M Scott Safety, Hypertherm, Sky Armour, Novotex Isomat, Haws, SC Johnson, Nederman, and 3M Protecta. The portfolio serves diverse industries including Oil & Gas, Electronics & Semiconductor, Aviation & Marine, Defense, Metal Fabrication, Healthcare, Building & Construction, and General Manufacturing.

Differentiator

Problem solved

Functional benefit

Products and services

• Gas Solutions
• Welding Products
• Safety Solutions
• T8000 S Self-Contained Breathing Apparatus Type 1&2
• Scott Sigma SCBA

Named customers8 records

Segments8 records

Ideal customer profiles7 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Eight partnerships are on record, tiered core.

• 3M Scott SafetycoreChannel Partner/ Reseller/ Distributor3M Scott Safety is a key brand partner whose products are distributed by Nippon Sanso Singapore. Products include Scott Sigma SCBA (Self-Contained Breathing Apparatus) featuring industry-leading lightweight cylinder harness. EN approved products used by firefighters and ERTs globally across Marine, Oil and Gas, and Chemical industries.
• HyperthermcoreChannel Partner/ Reseller/ DistributorHypertherm is a brand partner for welding automation and cutting equipment distributed by Nippon Sanso Singapore. Featured in the brands portfolio under the welding division.
• HawscoreChannel Partner/ Reseller/ DistributorHaws is a brand partner for emergency response and safety equipment distributed by Nippon Sanso Singapore. Part of the safety solutions portfolio.
• NedermancoreChannel Partner/ Reseller/ DistributorNederman is a brand partner for environmental protection and industrial air filtration equipment distributed by Nippon Sanso Singapore. Featured in safety solutions.
• Novotex IsomatcoreChannel Partner/ Reseller/ DistributorNovotex Isomat is a brand partner for specialized safety and protection products distributed by Nippon Sanso Singapore. Part of the welding and safety product portfolio.
• 3M ProtectacoreChannel Partner/ Reseller/ Distributor3M Protecta is a brand partner for fall protection equipment distributed by Nippon Sanso Singapore. Featured in the safety solutions division.
• Sky ArmourcoreChannel Partner/ Reseller/ DistributorSky Armour is a brand partner for personal protection equipment distributed by Nippon Sanso Singapore. Part of the safety solutions brand portfolio.
• SC JohnsoncoreChannel Partner/ Reseller/ DistributorSC Johnson is a brand partner whose safety and protection products are distributed by Nippon Sanso Singapore. Featured in the safety solutions portfolio.

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Messer Group: Large privately-held industrial gas company with operations across Asia; competes in merchant gases, welding products, and safety equipment with a similar integrated solution model.
• Yingde Gases Group: Major Chinese industrial gas supplier expanding into Southeast Asia; competes on bulk and on-site gas supply to electronics, metal fabrication and petrochemical customers in the broader region.
• Air Liquide Singapore: Global industrial gas major with significant Singapore operations producing and distributing oxygen, nitrogen, argon and specialty gases; directly competes with Nippon Sanso Singapore in the same customer verticals across the same geography.
• Air Products Singapore: Global industrial gas supplier active in Singapore and Southeast Asia, supplying merchant and on-site gases as well as specialty gases to electronics and oil & gas customers — overlapping heavily with Nippon Sanso Singapore's verticals.
• Linde Gas Singapore: One of the world's largest industrial gas producers with established Singapore and regional supply infrastructure; directly competes on industrial, specialty, and medical gases across the same enterprise customer base.

Regional players

• Seng Kang Gas Supply: Smaller Singapore-based industrial gas supplier serving welding, fabrication, and manufacturing customers; a more localized alternative competing on price and service for the smaller end of the customer base.

Emerging players

• SOL Group: European industrial and medical gas producer that has been expanding in Asia; comparable in producing oxygen, specialty gases and providing integrated gas solutions to industrial customers.

Direct peers

• Iwatani Corporation: Japanese industrial gas specialist with growing presence in Southeast Asia, particularly in specialty gases, hydrogen, and helium — closely comparable business mix and regional orientation to Nippon Sanso Singapore.
• Lincoln Electric Asia Pacific: Global welding equipment and consumables manufacturer with Asia Pacific distribution; overlaps with Nippon Sanso Singapore's welding division in filler metals, automation, and cutting equipment.

Others

• 3M Personal Safety Division: Principal brand owner whose safety products (Scott Safety, Protecta) are distributed by Nippon Sanso Singapore; represents both a key partnership and a potential direct competitor should 3M choose to bypass distribution in the region.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

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 Leeden National Oxygen