SIAD

What SIAD does

SIAD (Società Italiana Acetilene e Derivati S.p.A.) is an Italian privately held chemical group founded in 1927 in Bergamo, Italy, employing approximately 2,461 staff across more than 40 countries. The group operates four business divisions: Industrial Gases (production and distribution of oxygen, nitrogen, argon, hydrogen, acetylene, helium, and specialty gas mixtures); Engineering (design and construction of air separation, hydrogen, and gas processing plants, including under the sister brand SIAD Macchine Impianti); Healthcare (medical gases, gas pipeline systems for hospitals, home-care services, and pharmaceutical-grade gases); and LPG and Natural Gas (LPG distribution under the Gas Liquidi and SIO brands, plus natural gas supply). The company serves industrial manufacturers, food and beverage processors, healthcare providers, electronics firms, environmental services, and research institutions, with on-site supply contracts, bulk delivery, and cylinder distribution as core go-to-market channels.

SIAD's economic model rests on capital-intensive cryogenic air separation and gas production, supplemented by specialty gas formulations (Mixflo gas mixing, Aqua Freed water treatment gases, Pentatec instrumentation) that command premium pricing in food, pharmaceutical, and electronics segments. Revenue is generated through long-term industrial supply agreements, on-site plant contracts, healthcare tenders and home-care subscriptions, LPG distribution margins, and engineering project fees for turnkey gas plants supplied to third parties. Certification footprint (ISO 9001, ISO 13485, Halal, Kosher, organic, EU MDR) is a key qualifier for premium end-markets, while recent renewable energy partnerships with EDP and Edison, plus a biomethane/bio-CO2 joint venture with Marchesi Ginori Lisci and Solvay, indicate an active pivot toward decarbonized production inputs and circular-economy gas products.

The group is consolidating its European industrial gas position through a new 1,300 tons/day ASU at Porto Marghera (commissioned June 2025) and a EUR 50 million Croatia ASU joint venture with SOL Group (announced for 2026), while expanding renewable electricity sourcing via a large solar-plus-storage partnership with EDP through IGAT. The November 2025 ransomware incident prompted cybersecurity restructuring but did not derail these capital projects. Ownership remains private and concentrated, with no public listing, disclosed revenue, or external funding rounds in the available record.

Name

SIAD

Legal name

SOCIETA' ITALIANA ACETILENE E DERIVATI S.I.A.D. S.p.A.

Website

https://siad.com

Company type

Private

Founded year

1927

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

SIAD is a privately held Italian chemical group (founded 1927, Bergamo; ~2,461 employees) producing and distributing industrial, medical, food, and specialty gases across 40+ countries, with engineering, healthcare, and LPG divisions serving manufacturing, healthcare, and food customers.

Ownership category

akta.pro rank

Product category

Industrial Gases

NAICS

Industrial Gas Manufacturing (32512), Chemical Manufacturing (325), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334), Other Chemical Product and Preparation Manufacturing (3259)

SIC

Chemicals & Allied Products (2800), Miscellaneous Chemical Products (2890), Laboratory Analytical Instruments (3826), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

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

akta.pro secondary industries

Industrial Gas & Air Separation Equipment (ASU, PSA, Cryogenic Systems) (IMAHAEAI), Medical & Healthcare Gases (IMAEACAF), Food & Beverage Gases (Carbonation/Freezing/Packaging) (IMAEACAI), Specialty & Calibration Gas Mixtures (IMAEACAE)

Keywords

• Industrial gas production
• Medical gas supply
• Food-grade gases
• Specialty gas mixtures
• Air separation units

Headquarters

HQ city

Bergamo

HQ country

Italy

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Industrial Gases Production and Distribution: Production, marketing and distribution of technical, food, specialty, medical and refrigerant gases. SIAD supplies gases in various forms including cylinders, bulk liquid, and via pipelines. The company has been in operation since 1927 with nearly a century of experience in the sector.
2. Engineering Services: SIAD Macchine Impianti provides engineering, design, construction and installation of on-site gas production plants globally
3. Healthcare Gases and Equipment: Medical gases, equipment and services for healthcare facilities through SIAD Healthcare division
4. LPG and Natural Gas: Distribution of LPG and Natural Gas as part of the Group's four main business areas
5. Fire Protection Systems: Wall System 300 and other inert gas fire extinguishing systems

Go-to-market motion1 record

Distribution channels6 records

Marketing channels7 records

Core offering

SIAD produces, markets and distributes industrial, technical, specialty, food-grade, medical and refrigerant gases (oxygen, nitrogen, argon, hydrogen, helium, acetylene, CO2, dry ice, noble gases) in cylinders, bulk liquid, and via pipeline to industrial, healthcare and food customers. Through its SIAD Macchine Impianti subsidiary the Group designs, builds, installs and commissions on-site air separation and hydrogen plants worldwide. Additional business lines cover LPG and natural gas distribution, medical gas and respiratory equipment services, environmental remediation technologies (Mixflo, Aqua Freed, Ground line), and customer training.

Product overview

SIAD (Società Italiana Acetilene e Derivati) is an Italian chemical group founded in 1927, specializing in the production, marketing, and distribution of technical, specialty, food-grade, and medical gases, along with engineering, healthcare, and LPG/Natural gas services. The core product portfolio centers on industrial gases including Acetylene, Argon, Carbon Dioxide, Dry Ice, Helium, Hydrogen, Krypton, Neon, Nitrogen, Oxygen, and Xenon. The company offers specialty gases with purity up to 99.9999%, medical gases, food-grade gases (Foodline brand), refrigerant gases (both fluorinated and natural), and welding/cutting gases (WELDING PRO and LASER PRO lines). Key service brands include Flexigas (flexible gas supply), Total Gas Management, and supply modes (cylinders, bulk, pipelines). SIAD also operates environmental remediation brands (Ground Bio2, Ground Mix, Ground Spy) and fire protection systems (Wall System 300).

Differentiator

Problem solved

Functional benefit

Brands

• Aqua Freed: Carbon dioxide technology for well rehabilitation; SIAD is the only authorized licensee in Italy
• Aroma+
• DryJet
• Fastservice
• Festaballoon
• The PartyCube
• Flexigas
• Foodline
• iSpring
• Happy Drink
• Ice and Go
• LASER PRO
• Mixflo
• Secur Pneus
• WELDING PRO
• Wall System 300
• Xenosafe
• STARGAS
• Ground Bio2
• Ground Mix
• Ground Spy
• Ground Red
• Ground O3+

Products and services

• Industrial Gases
• Specialty Gases
• Medical Gases
• Food-Grade Gases
• Refrigerant Gases
• Gases for Welding and Cutting
• On-site Gas Production Plant Engineering (SIAD Macchine Impianti)
• LPG and Natural Gas Distribution
• Total Gas Management
• Training Courses

Quantifiable outcome

• 40% carbon emission reduction achievable with oxyfuel combustion technology
• +3 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• SOL GroupcoreStrategic or Co-development Partner · 1 January 2026Joint inauguration of EUR 50 million air separation unit in Croatia. This partnership represents a significant investment in regional industrial gas production capacity, combining SIAD's air separation expertise with SOL Group's operations.
• IGAT S.p.A.coreStrategic or Co-development Partner · 17 June 2025IGAT (SIAD Group company) partnered with EDP to deploy the largest solar power plant with storage in Italy, supporting SIAD's renewable energy transition goals.
• Porto MargheracoreStrategic or Co-development Partner · 10 June 2025SIAD Group selected Porto Marghera, Venice as the location for its new plant for construction of large Air Separation Units, representing significant industrial investment in the region.
• Marchesi Ginori Lisci and SolvayminorStrategic or Co-development Partner · 31 May 2025Announced construction of a new biomethane and bio-CO2 production plant in Italy, with Marchesi Ginori Lisci, SIAD Group, and Solvay collaborating on sustainable gas production.
• Edison EnergiacoreStrategic or Co-development PartnerStrategic agreement between IGAT and Edison Energia for supply of renewable energy from photovoltaic sources, supporting SIAD Group's sustainable vision and decarbonization goals.
• EnviralminorStrategic or Co-development PartnerSIAD Group collaborated with Enviral (member of Envien Group) to install a plant in Leopoldov, Slovakia for capturing and liquefying biogenic carbon dioxide, reducing CO2 emissions from underground deposits.
• FederchimicaminorOthersSIAD has been part of the Responsible Care program since 1995, managed in Italy by Federchimica, affirming commitment to employee health, safety, and environmental protection.

Scale indicators8 records

Recent moves8 records

Expansion highlights4 records

Broad incumbents

• Messer Group: Largest privately-held industrial gases company globally, headquartered in Germany; competes with SIAD across European merchant, on-site, and medical gas markets, and is a useful peer given both companies' private/family ownership structures.
• Air Liquide: Global industrial gas incumbent producing oxygen, nitrogen, hydrogen, and specialty gases via air separation and on-site supply; competes with SIAD across all of SIAD's European industrial, healthcare, and electronics end-markets at much greater scale.
• Linde: World's largest industrial gas company, formed by the Praxair–Linde merger; operates ASUs, on-site supply, electronics specialty gases, and hydrogen at global scale, directly comparable to SIAD's portfolio and engineering capabilities.
• Taiyo Nippon Sanso (Nippon Sanso Holdings): Japanese-headquartered global industrial gas company operating in Japan, US, Europe, and Asia; parent of Nippon Gases Europe and competes in semiconductor specialty gases, hydrogen, and on-site supply.
• Air Products and Chemicals: US-headquartered global industrial gas major with hydrogen, ASU, and on-site supply businesses; competes with SIAD for large industrial customers in Europe and adjacent specialty gas applications.

Others

• Praxair Surface Technologies (now part of Linde): Former Praxair business unit supplying surface-treatment, coating, and brazing technologies to industrial customers; provides an adjacent reference point for SIAD's specialty welding/cutting gas brands like WELDING PRO and LASER PRO.

Direct peers

• SOL Group: Italian-headquartered industrial and medical gas producer with overlapping European footprint; SOL is SIAD's joint venture partner on the EUR 50 million Croatia ASU and operates a directly comparable technical/medical gases portfolio.

Regional players

• Nippon Gases Europe: European industrial and medical gas subsidiary of Taiyo Nippon Sanso operating across Iberia, Italy, France, Germany, and Benelux; directly comparable to SIAD in geographic footprint, customer mix, and product portfolio in Southern Europe.
• Yingde Gases Group: China's largest independent industrial gas supplier focused on on-site supply to Chinese manufacturers; useful as a comparable for SIAD's on-site ASU strategy and integrated gas management service model, although geographically non-overlapping.

Emerging players

• Iwatani Corporation: Japanese specialty gas and hydrogen player expanding in Europe and North America; overlaps with SIAD in specialty gas mixtures, helium, and hydrogen supply chains.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/GruppoSIAD
• Facebookfacebook.com/Gruppo.SIAD
• LinkedInlinkedin.com/company/siad-spa/?originalSubdomain=it

Compliance14 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries5 records

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 SIAD