This selection of large corporate groups and holding companies in Lombardy includes prominent names in infrastructure, manufacturing, and utilities. Saipem specializes in engineering and construction for energy projects, while Prysmian is a global leader in high-tech cables. TIM provides telecommunications services, and Gruppo San Donato operates a large European healthcare network. Webuild focuses on complex construction projects, and Brembo is known for automotive brake technology. A significant number of these large companies are headquartered in Milan, including Saipem, Prysmian, TIM, Gruppo San Donato, A2A, Edison, Lutech, Randstad Italia, Italgas, and Il Sole 24 Ore. This concentration of headquarters in the regional capital indicates Milan's role as a key business hub for major corporations in Lombardy across diverse sectors.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Saipemsaipem.com
Global leader in engineering and construction for energy and infrastructure projects worldwide, offering offshore and onshore services with a focus on sustainability and innovation |
32,000 | |||
| 2 |
Prysmianprysmian.com
A global leader in high-tech cables & systems for energy and telecom, driving the energy transition and digitalization worldwide |
28,000 | |||
| 3 |
TIMgruppotim.it
Provides fixed, mobile, and digital services including Cloud, IoT, and Cybersecurity, building and sharing network infrastructure in Italy and Brazil. |
22,417 | |||
| 4 |
Gruppo San Donatogrupposandonato.it
Large European healthcare group integrating hospitals, research, universities, clinics, focusing on human-centered care and international expansion. |
9,474 | |||
| 5 |
Webuildwebuildgroup.com
A global leader in designing and constructing large, complex projects in sustainable mobility, hydropower, water infrastructure, and green buildings worldwide |
7,514 | |||
| 6 |
Brembobrembo.com
Global leader in brake technology for automotive vehicles, supplying high performance systems to manufacturers worldwide, with expertise in racing components and over 500 championships won |
7,408 | |||
| 7 |
Mediasetlavoraconnoi.mediaset.it
The company offers free advertising-supported TV, pay TV, entertainment, fiction & cinema, news, web, and other related activities to viewers |
5,680 | |||
| 8 |
A2Agruppoa2a.it
A company in Italy focused on environment, water, and energy, promoting circular economy and sustainable development goals through various services and operations |
5,026 | |||
| 9 |
MFE - MediaForEuropemfemediaforeurope.com
An international holding company focused on aggregating top European commercial broadcasters to strengthen the competitive position of European free-to-air television globally |
4,577 | |||
| 10 |
Zucchettizucchetti.it
Leading European software publisher offering POS, ERP, and HR solutions with a billion euro turnover, 8,000 employees, and 2,000 partners worldwide |
4,184 | |||
| 11 | 4,174 | ||||
| 12 |
Lutechlutech.group
A leading innovation company in Italy, Lutech Group offers end-to-end solutions for digital transformation, encompassing consulting, solutions, cybersecurity, services, and cloud technologies |
4,024 | |||
| 13 |
Randstad Italiarandstad.it
Specializing in HR services since 1960, this global company prioritizes real connections over data, combining technology with human empathy to help individuals reach their full potential |
3,808 | |||
| 14 |
Italgasitalgas.it
A leading Network Tech Company in gas, water, energy efficiency, and IT sectors, providing services to millions of customers in Italy and Greece |
3,661 | |||
| 15 |
Il Sole 24 Oreilsole24ore.com
The leading multimedia editorial group in Italy for economic, financial, professional, and cultural information, with a strong market position in services and events |
3,407 | |||
| 16 |
TESYA Grouptesya.com
The TESYA Group offers cutting-edge integrated solutions through collaboration between top brands, providing advanced customized solutions in various industries internationally |
3,402 | |||
| 17 |
Snam S.p.A.snam.it
Leading European company specializing in natural gas transport, storage, and regasification services across multiple infrastructures and markets. |
3,337 | |||
| 18 |
Gruppo Tempocasatempocasa.it
A leading real estate franchise in Italy and Europe, focusing on professionalism, expertise, and continuous improvement, with over 600 agencies nationwide |
2,950 | |||
| 19 |
Azimut Italiaazimut.it
Azimut is an independent Italian financial company focused on managed savings, offering a wide range of financial solutions and supporting businesses |
2,343 | |||
| 20 |
Artsana Groupartsana.com
A global leader in the parenting space, offering a wide range of brands focused on family, society, and the environment through innovative solutions and products |
2,332 | |||
| 21 |
Salini Impregilowebuildgroup.com
A global industrial Group specializing in sustainable infrastructure projects such as mobility, clean energy, water management, and green buildings worldwide |
2,279 | |||
| 22 |
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 | |||
| 23 |
DentalProdentalpro.it
The largest Italian dental group with over 260 centers, 2000 employees, and 1200 dental professionals providing personalized care in modern, welcoming facilities |
2,163 | |||
| 24 |
Cisalfa Groupcisalfagroup.com
Leading Italian group specializing in sports-fashion and leisure apparel, footwear, and equipment, with a global presence encompassing over 210 stores and 4,000 employees |
2,147 | |||
| 25 |
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 | |||
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 |
Bticinobticino.it
Manufacturer of low-voltage electrical equipment for residential, commercial and industrial sectors, including energy distribution, communication, lighting, sound, climate control and safety systems. |
2,047 | |||
| 27 |
Cervedcerved.com
This company specializes in providing data-driven solutions, including credit risk analysis, marketing services, NPL management, and credit rating agency services across Italy |
2,023 | |||
| 28 |
Gi Group Holdinggigroupholding.com
A global HR services company focused on creating value in the labor market through staffing, professional recruitment, search & selection, and outsourcing solutions |
1,883 | |||
| 29 |
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 | |||
| 30 |
Esprinet Italiaesprinet.com
A European tech company specializing in advisory, cybersecurity, and tech products, fostering social and environmental sustainability through digitalization and tech democracy |
1,689 | |||
| 31 |
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 | |||
| 32 |
FONTANA GRUPPOgruppofontana.it
A global leader in the fasteners sector, offering high-quality standard and specialized products to key international industries worldwide |
1,551 | |||
| 33 |
Haworth Lifestylehaworthlifestyle.com
This company is a federation of brands focused on high-end furniture, emphasizing tradition, uniqueness, quality, and passion in a global market |
1,523 | |||
| 34 |
Siram Veoliaveolia.it
Provides integrated energy efficiency, water cycle management, and special waste services for public and private sectors to reduce emissions and resource waste. |
1,497 | |||
| 35 |
Mavriqmavriq.com
A global leader in price comparison connecting customers to providers, saving money with over 800 employees and 18 brands worldwide Partnered with Moltiply Group |
1,494 | |||
| 36 |
Marcegagliamarcegaglia.com
A leading Italian industrial group with activities across the entire steel value chain, spanning production, processing, and international operations |
1,490 | |||
| 37 |
Technoprobetechnoprobe.com
A global leader in semiconductor testing, specializing in design, development, and manufacture of probe cards for chip functionality testing |
1,412 | |||
| 38 |
Class Editoriclasseditori.it
The company is a leading Italian editorial group specializing in financial, food, lifestyle, fashion & luxury information for a professional B2B audience They cover various multimedia editorial activities |
1,396 | |||
| 39 |
Alkemy Groupalkemy.com
Support digital transformation for businesses through consulting, data, AI, marketing, creativity, and technology from strategy to implementation. |
1,390 | |||
| 40 |
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 | |||
| 41 |
Unitinguniting.it
An collaborative ecosystem of 5 specialized units in marketing and communication, working together to create immersive brand experiences with a strong commitment to sustainability |
1,285 | |||
| 42 |
Sodalis Groupsodalisgroup.com
Development and distribution of health, beauty, personal and home care products through multiple brands, research labs, and international channels. |
1,245 | |||
| 43 |
KOS GROUPkosgroup.com
A leading company in Italy's healthcare sector, specializing in nursing homes, rehabilitation, and diagnostic centers |
1,207 | |||
| 44 |
Pardgrouppardgroup.com
A multinational field marketing and retail services agency specializing in high-end projects for premium and luxury brands worldwide Services include design, production, and installation |
1,161 | |||
| 45 |
Gruppo AB - Energy Sustainabilitygruppoab.com
AB specializes in energy sustainability solutions, offering innovative technologies and processes to help customers save energy, reduce emissions, and improve competitiveness globally |
1,154 | |||
| 46 |
Riva Grouprivagroup.com
A leading group specializing in manufacturing long steel products using electric arc steelworks, focusing on sustainability, innovation, and quality |
1,137 | |||
| 47 |
IMQ S.p.A.imq.it
Conformity assessment company providing certification services, testing, inspections, and audits to ensure safety, quality, and performance in various industries |
1,075 | |||
| 48 |
Gruppo Orseroorserogroup.it
A leading distributor in Mediterranean Europe, sourcing and marketing over 800,000 tons of fresh produce annually with a sales revenue of 12 billion โฌ |
1,036 | |||
| 49 | 1,020 | ||||
| 50 |
BV TECHbvtech.com
A leading Group with expertise in technology, security, and innovation Offering advanced platforms, knowledge, and services in cyber, mobility, health, networks, and communication Operating in Italy, USA, and UK |
1,017 | |||
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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 11, 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
- 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
- Food and Beverage Manufacturing companies in Lombardy 124
The same list elsewhere in Italy
- Corporate groups and holding companies in Italy 560
- Corporate groups and holding companies in Emilia-Romagna 76
- Corporate groups and holding companies in Veneto 60
- Corporate groups and holding companies in Lazio 51
- Corporate groups and holding companies in Piedmont 32
- Corporate groups and holding companies in Milan 98
- Corporate groups and holding companies in Rome 46