Leeden National Oxygen
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.
- Company typePrivate
- Founded1964
- HeadquartersBedok, Singapore
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
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 The Leeden National Oxygen brand identity has been superseded by Nippon Sanso Singapore branding, reflecting full integration into the parent group.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.
Leeden National Oxygen firmographics
Firmographics- 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
Leeden National Oxygen industry classification
Industry- 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
Where Leeden National Oxygen is headquartered
LocationHeadquarters
- HQ city
- Bedok
- HQ country
- Singapore
- HQ region
- Asia
Offices3 records
Markets served
Leeden National Oxygen business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Infrastructure, Personnel, Marketing or Sales
Revenue model
- Industrial & Specialty Gas Manufacturing & Distribution: Production and distribution of industrial and specialty gases through specialized production and storage facilities with engineering and consultancy capability
- 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
- 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
Leeden National Oxygen product offering
Product offeringCore 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
Companies that use Leeden National Oxygen
Customer profileNamed customers8 records
Segments8 records
Ideal customer profiles7 records
Leeden National Oxygen technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Leeden National Oxygen partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered core.
- 3M Scott Safetycore3M 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.
- HyperthermcoreHypertherm is a brand partner for welding automation and cutting equipment distributed by Nippon Sanso Singapore. Featured in the brands portfolio under the welding division.
- HawscoreHaws is a brand partner for emergency response and safety equipment distributed by Nippon Sanso Singapore. Part of the safety solutions portfolio.
- NedermancoreNederman is a brand partner for environmental protection and industrial air filtration equipment distributed by Nippon Sanso Singapore. Featured in safety solutions.
- Novotex IsomatcoreNovotex 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 Protectacore3M Protecta is a brand partner for fall protection equipment distributed by Nippon Sanso Singapore. Featured in the safety solutions division.
- Sky ArmourcoreSky Armour is a brand partner for personal protection equipment distributed by Nippon Sanso Singapore. Part of the safety solutions brand portfolio.
- SC JohnsoncoreSC 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
Leeden National Oxygen competitors and assessment
Company assessmentBroad 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
Leeden National Oxygen financial estimates
Financial estimateRevenue estimate
Valuation estimate
Leeden National Oxygen leadership team
Management profileNumber of profiles
Leeden National Oxygen funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Leeden National Oxygen M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Leeden National Oxygen
What does Leeden National Oxygen do?
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.
Is Leeden National Oxygen a public or private company?
Leeden National Oxygen is a private company. It is classified as corporate owned and is currently operating.
When was Leeden National Oxygen founded?
Leeden National Oxygen was founded in 1964. It employs 101 to 250 people.
Where is Leeden National Oxygen based?
Leeden National Oxygen is headquartered in Bedok, Singapore, in the Asia region.
How does Leeden National Oxygen make money?
Three revenue lines are on record. Industrial & Specialty Gas Manufacturing & Distribution is the primary driver. The others are welding Products Distribution and safety Solutions Distribution.
Who are Leeden National Oxygen's main competitors?
Broad incumbents on record are Messer Group, Yingde Gases Group, Air Liquide Singapore, Air Products Singapore and Linde Gas Singapore. Seng Kang Gas Supply is listed as a regional player. SOL Group is listed as an emerging player. Direct peers are Iwatani Corporation and Lincoln Electric Asia Pacific. 3M Personal Safety Division is listed as an others.
Does Leeden National Oxygen have an API?
No public API is recorded for Leeden National Oxygen.
What industry is Leeden National Oxygen in?
Leeden National Oxygen's product category is Industrial Gases and Welding Supplies. Its primary akta.pro industry code is IMAEACAA, Air Separation (Oxygen/Nitrogen/Argon), with a secondary code of IMAEACAH, Welding & Cutting Gases. Its NAICS code is 32512 and its SIC code is 5160.