These Lombardy-based companies operate primarily in the chemical sector, with a notable presence of manufacturers of specialty chemicals, industrial gases, and pharmaceutical ingredients. The list comprises established mid-sized and large firms, many with a long history. Pirelli, founded in 1872, is a global leader in tyre production. Mapei, established in 1937, manufactures chemical products for the building industry. Zambon develops pharmaceutical and healthcare solutions, while SOL Group specializes in gases and biotech products. Olon, founded in 2003, focuses on active pharmaceutical ingredients.
A significant pattern observed is the concentration of headquarters in Milano, with several other major players located in cities like Monza and Bergamo. This suggests a strong regional hub for the chemical and related manufacturing industries in Lombardy.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Pirellipirelli.com
A global leader in tyre production with a strong focus on technological innovation, high-end quality, and Italian heritage, catering to consumer markets worldwide |
15,159 | |||
| 2 | 7,645 | ||||
| 3 |
Zambonzambon.com
Develops innovative pharmaceutical and healthcare solutions, including treatments for respiratory, urological, and serious diseases like Parkinson's, and offers patient support programs. |
2,595 | |||
| 4 |
SOL Groupsolgroup.com
Italian multinational company specializing in production, research, and sale of gases, home care services, biotech products, and renewable energy, listed on Milan Stock Exchange |
2,188 | |||
| 5 |
Fedrigoni Groupfedrigoni.com
Specializing in premium specialty papers for packaging, labels, printing, and more, with a focus on innovation, sustainability, and creativity worldwide |
2,073 | |||
| 6 |
Olonolonspa.com
Global leader in developing and producing active pharmaceutical ingredients for CDMO and generics, offering chemical synthesis and biological processing services with extensive expertise and reliability |
1,709 | |||
| 7 |
Polynt Grouppolynt.com
A global chemical company specializing in the production, sales, and development of organic anhydrides, composites, coating resins, and other specialty chemicals |
1,693 | |||
| 8 |
The SIAD Groupthesiadgroup.com
A leading Italian chemical group offering industrial gases, engineering services, healthcare facilities, LPG and natural gas distribution, environmental management, and energy solutions |
1,559 | |||
| 9 |
Sapio Groupgrupposapio.it
Industrial and medical gases, high-tech systems for cutting, welding, refrigerating gases, and pipeline design, plus hospital and home health services. |
1,349 | |||
| 10 |
De Noradenora.com
A multinational company specializing in electrochemistry and sustainable technologies, leading in industrial green hydrogen production, water treatment, and energy efficiency optimization |
1,267 | |||
| 11 |
Riva Grouprivagroup.com
A leading group specializing in manufacturing long steel products using electric arc steelworks, focusing on sustainability, innovation, and quality |
1,137 | |||
| 12 |
Lambertilamberti.com
Specialty chemicals B2B company developing and industrializing chemicals for various industries, with a focus on research and innovation in multiple geographical areas |
1,119 | |||
| 13 |
Italcementiheidelbergmaterials.it
Production of cement and concrete products with a focus on sustainability, innovation, and extensive industrial infrastructure in Italy. |
1,015 | |||
| 14 |
RadiciGroupradicigroup.com
A global leader in chemical intermediates, polymers, plastics, fibers, and nonwovens with a strong focus on innovation, quality, and sustainability |
797 | |||
| 15 |
Egal Srl Unipersonaleegalsrl.com
With over three generations of experience, this company is a leader in galvanic treatments on plastic, offering a variety of products and services to various industries |
795 | |||
| 16 |
SIAD S.p.A.siad.com
Italian chemical group providing technical gases, engineering services, healthcare solutions, LPG and natural gas distribution, as well as environmental management and industrial goods |
612 | |||
| 17 |
COIM Groupcoimgroup.com
An Italian company specializing in chemical specialties like polyesters, polyurethanes, and specialty resins for coatings and composites globally Passionate about quality and sustainability |
549 | |||
| 18 |
SAESsaesgetters.com
SAES Group produces advanced functional materials for various industries, with a focus on innovation and technological excellence supported by global resources |
520 | |||
| 19 |
Saint-Gobain Italiasaint-gobain.it
Global leader in sustainable construction materials, providing comfort and safety in buildings, transportation, and infrastructure while addressing resource efficiency and climate change challenges |
517 | |||
| 20 |
Indenaindena.com
Identifies, develops, produces high-quality plant-derived active principles for pharmaceutical and health-food industries. |
508 | |||
| 21 | 503 | ||||
| 22 |
Lechler Spalechler.eu
Production and innovation of paint products for industry, refinish, decorative, yachting, and habitat sectors with strong research focus. |
407 | |||
| 23 |
Dipharma Francis S.r.ldipharma.com
Global CDMO specializing in manufacturing Active Pharmaceutical Ingredients and Intermediates for top pharmaceutical companies worldwide with core technologies in various chemical processes |
352 | |||
| 24 |
Heidelberg Materials Italiaheidelbergmaterials.it
Italian company with over 150 years of history specializing in cement production, shaping the past, present, and future of the industry in Italy |
349 | |||
| 25 |
Alcantara S.p.A.alcantara.com
A leading Italian company specializing in innovative, sustainable materials for fashion, automotive, interior design, and consumer electronics industries since 1972 |
344 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
Nippon Gases Italianippongases.com
A leading Italian company specializing in the production and distribution of industrial gases, providing essential support to various industrial sectors with high-value solutions |
329 | |||
| 27 |
Calcestruzziheidelbergmaterials.it
Leading provider of precast concrete in Italy, focusing on sustainable architecture Offering innovative solutions to the building community for market leadership in innovation |
318 | |||
| 28 |
Farmolfarmol.com
A leading European company in cosmetics and homecare industries, offering contract manufacturing services since 1946 |
315 | |||
| 29 |
ITELYUMitelyum.com
A leading European company specializing in regenerating used oils, producing high-quality lubricant bases, diesel, and asphalt through innovative patented technology |
309 | |||
| 30 |
Oldrati Groupoldrati.com
A leading international group producing rubber, plastic, and silicone products with 14 production sites, 1,700 employees, and 180 million euros in sales |
292 | |||
| 31 |
AEB Groupaeb-group.com
development and supply of biotechnological products, process treatments, hygiene, filtration, and cleaning solutions for beverage and food industries |
290 | |||
| 32 |
Gruppo Rivarivaacciaio.com
Leading European steel producer specializing in long steel products, operating multiple plants across Europe with high quality and environmental standards. |
266 | |||
| 33 |
Timac Agro Italia S.p.A.it.timacagro.com
A leading Italian company in plant and animal nutrition, focusing on innovation, human capital, and agronomic solutions for maximum results while respecting the environment |
263 | |||
| 34 |
LATI Benefit Corporationlati.com
European compounder specializing in hi-tech thermoplastics, offering over 2500 materials tailored to meet strict customer requirements, available worldwide |
259 | |||
| 35 | 259 | ||||
| 36 |
Regi Laboratoriesregi.it
Global supplier in color cosmetics and skincare industry, with avant-garde R&D labs driving innovation for beauty B2B market worldwide |
258 | |||
| 37 |
Bozzetto Groupbozzetto-group.com
A global group with a century of experience in textile, building, and performance chemicals, supported by modern production plants and dedicated employees |
250 | |||
| 38 |
SACCO SYSTEMsaccosystem.com
An international biotech company specializing in food, nutraceuticals, and pharmaceuticals, offering innovative products for food fermentation and nutritional supplements worldwide |
230 | |||
| 39 |
ORI Martin Grouporimartin.com
A European steel group founded in 1933, specializing in high-quality steel production for automotive, fastener, mechanical, and building industries |
229 | |||
| 40 |
LOCATELLIlocatelliintonaci.it
Innovative producer of construction products focused on quality, sustainability, and technological advancements for a constantly evolving market |
186 | |||
| 41 |
Linde Gas Italialinde.it
A multinational leader in gas production for industry and healthcare, offering a wide range of gases and equipment for various applications worldwide |
177 | |||
| 42 |
3V SIGMA3vsigma.com
Global producer of specialty chemicals with modern R&D, manufacturing facilities, and a multidisciplinary team providing innovative solutions, high quality, and competitive products. |
128 | |||
| 43 |
Nactaromenactarome.com
Creates and produces natural flavor, taste, and color solutions for the food and beverage industry, focusing on customer needs and sustainable ingredients. |
105 | |||
| 44 |
JK GROUPj-k-group.com
A part of Dover Industries Italy, we develop eco-friendly digital inks for textiles & flexible substrates, offering safe, sustainable solutions |
103 | |||
| 45 |
Sipcam Italiasipcam.com
The company specializes in agricultural solutions, offering innovative pesticides, fertilizers, and seed products for a wide range of crops |
102 | |||
| 46 |
JRS Silvateam Ingredients S.r.l.silvateam.com
Specializing in pectin and texturizing systems production, this joint venture focuses on developing vegetable-based solutions to meet demand for label-friendly ingredients |
100 | |||
| 47 |
Sharon Personal Caresharonpc.com
A global supplier of ingredient solutions for personal care products, specializing in preservatives, functional ingredients, and bio-actives for innovative and sustainable formulations |
99 | |||
| 48 |
PLAX GROUPplax.it
Specializes in designing and manufacturing complex, high-quality plastic parts for B2B clients, with international presence and biomedical sector focus. |
94 | |||
| 49 |
FertiGlobalfertiglobal.com
A global leader in innovative plant nutrition solutions, committed to research and development for healthy plant growth and sustainable agriculture |
84 | |||
| 50 |
Sinerga SpAsinerga.it
Offers cosmetic specialties, R&D, contract manufacturing for dermo-cosmetic products, and product marketing support, collaborating with industry experts globally. |
81 | |||
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in Lombardy
- The largest companies in Lombardy 3,376
- Multinational companies in Lombardy 889
- Manufacturers in Lombardy 512
- Companies with in-house R&D in Lombardy 432
- Retail chains in Lombardy 429
- Financial services firms in Lombardy 262
- Corporate groups and holding companies in Lombardy 224
- Hardware manufacturers in Lombardy 216
- Critical infrastructure operators in Lombardy 205
- IT services companies in Lombardy 180
- Family-owned companies in Lombardy 171
- Consumer goods companies in Lombardy 168
- Retail Apparel and Fashion companies in Lombardy 167
- Professional services firms in Lombardy 162
- Luxury brands in Lombardy 158
- IT Services and IT Consulting companies in Lombardy 155
- Software Development companies in Lombardy 155
- Financial Services companies in Lombardy 154
- E-commerce companies in Lombardy 150
- Companies with a mobile app in Lombardy 137
- Personal Care Product Manufacturing companies in Lombardy 137
- Transportation, Logistics, Supply Chain and Storage companies in Lombardy 135
- Consulting firms in Lombardy 134
- SaaS companies in Lombardy 125