| # | Company | Employees |
|---|---|---|
| 1 | 32,259 | |
| 2 |
Enel Groupenel.com
Multinational company reshaping the future of energy, a leading integrated electricity operator. Distributes and supplies electricity to millions of end users. |
31,218 |
| 3 |
Ferrovie dello Stato Italiane S.p.A.fsitaliane.it
National rail infrastructure management, passenger transport services, logistics solutions, and urban regeneration projects across Italy. |
28,071 |
| 4 |
Rete Ferroviaria Italianarfi.it
Management and maintenance of railway tracks, stations, installations, ensuring safe circulation and upgrading of Italy's railway network infrastructure. |
12,761 |
| 5 |
Trenitaliatrenitalia.com
A leading European rail operator providing passenger transportation and logistics services for goods both domestically and within Europe |
10,198 |
| 6 |
BNL BNP Paribasbnl.it
A leading Italian banking group, part of BNP Paribas, offering a wide range of traditional and innovative financial products and services to various market segments |
8,662 |
| 7 |
Alitalia Società Aerea Italiana S.p.A.ita-airways.com
It is the leading Italian airline, transporting millions of passengers with an efficient fleet and offering various service classes and awards. |
8,608 |
| 8 |
E-Distribuzionee-distribuzione.it
The company is the largest in Italy for electricity distribution and measurement, managing a network of over 11 million km nationwide Their mission focuses on delivering excellence, innovation, and value |
5,700 |
| 9 |
Enel Green Powerenelgreenpower.com
Global leader in renewable energy production with a diverse portfolio of plants on five continents, providing clean energy solutions for businesses worldwide |
5,682 |
| 10 | 5,058 | |
| 11 |
ANAS SpAstradeanas.it
Designing, constructing, and maintaining sustainable and technologically innovative roads in Italy to ensure future mobility, connecting cities and territories for economic and social development |
4,891 |
| 12 |
Autostrade per l'Italiaautostrade.it
Management and modernization of approximately 3,000 km of toll highways across Italy, connecting regions and metropolitan areas efficiently. |
4,418 |
| 13 |
Banca d'Italiabancaditalia.it
The company is the central bank of Italy, operating within national and European regulations as part of the Eurosystem and European System of Central Banks |
4,415 |
| 14 |
Aeronautica Militareaeronautica.difesa.it
The company operates 24/7 for defense of the state, safeguarding institutions and citizens, controlling airspace, and providing excellence in aviation capabilities nationally and internationally |
4,062 |
| 15 |
INAIL, Istituto Nazionale Assicurazione contro gli Infortuni sul Lavoroinail.it
A public non-profit entity founded in 1883, provides insurance for all workers against work-related accidents, disabilities, health damage, and occupational diseases Additionally, supports injured workers with rehabilitation and reintegration assistance |
4,031 |
| 16 |
Gruppo BCC Iccreagruppobcciccrea.it
The company is the largest cooperative banking group in Italy, with a national presence and significant assets It was formed in 2019 and focuses on cooperative banking activities |
3,940 |
| 17 |
Fondazione Policlinico Universitario Agostino Gemelli IRCCSpoliclinicogemelli.it
A leading Italian hospital specializing in personalized medicine, innovative biotechnologies, and clinical care for a wide range of specialties, including oncology and rare diseases |
3,810 |
| 18 |
SDA Express Couriersda.it
This company offers a unique partnership for managing logistics and B2B distribution needs. |
3,384 |
| 19 |
Policlinico Umberto Ipoliclinicoumberto1.it
The University Hospital Policlinico Umberto I in Rome is a specialized hospital offering prevention, diagnosis, and treatment services, as well as medical education and research |
3,261 |
| 20 |
Enel Xcorporate.enelx.com
The company offers integrated energy solutions tailored to individuals, governments, and businesses to empower them to manage their energy consumption efficiently |
3,200 |
| 21 |
ACEAgruppoacea.it
Integrated multi-utility company managing water, energy, waste processing, and infrastructure services across several Italian regions with millions of customers. |
3,049 |
| 22 |
ITA Airwaysita-airways.com
Flagship Italian airline operating 99 aircraft, focusing on fleet modernization, fuel efficiency, CO₂ reduction, and customer loyalty program. |
2,843 |
| 23 | 2,564 | |
| 24 |
Regione Lazioregione.lazio.it
Administrative region in central Italy, second most populous, borders multiple regions and the Tyrrhenian Sea, includes Vatican City enclave. |
2,465 |
| 25 |
ATAC SpAatac.roma.it
Leading public transport operator in Rome managing various collective mobility services, including buses, trams, metros, and parking facilities, with a focus on quality and safety |
2,115 |
| 26 |
Open Fiberopenfiber.it
Open Fiber is an Italian company building ultra-fast fiber optic networks to bridge the digital divide and provide innovative digital services for all citizens |
2,085 |
| 27 |
Groupama Assicurazionigroupama.it
An international insurance and banking group with over 100 years of history, serving 13 million clients worldwide In Italy, it offers innovative insurance solutions |
1,890 |
| 28 |
ASL Roma 1aslroma1.it
A health organization in Rome aimed at promoting and protecting the health of residents through healthcare services based on modern scientific knowledge and quality standards |
1,648 |
| 29 |
Enel Energiaenel.it
An Italian energy company in the liberalized market, providing electricity and gas from renewable sources Offers customer-centric solutions through technology and digitalization |
1,509 |
| 30 |
BCC Banca Iccreaiccreabanca.it
Financial services company part of Iccrea Banking Group, specializing in developing and providing products for Italian cooperative banks, focusing institutional clients |
1,408 |
| 31 |
HDI ASSICURAZIONIhdiassicurazioni.it
Provides tailored insurance products and services across Italy, leveraging a global network and strong customer-focused approach for protection. |
1,342 |
| 32 |
Italo Treno – NTVitalotreno.com
First private operator in high-speed rail, offering innovative passenger services with comfortable, technologically advanced surroundings, customized experiences, and competitive pricing. |
1,262 |
| 33 |
ASL Roma 2youtube.com
The company promotes and protects citizens' health by forming alliances in healthcare, social services, and environmental sectors, focusing on innovation and efficiency |
1,182 |
| 34 |
Aviation Services S.p.A.as-airport.it
Established in 1995 after aviation services liberalization, this company provides ground assistance at major Italian airports, serving over 115,000 flights in 2022 |
1,052 |
| 35 |
Eniliveenilive.it
Enilive is dedicated to transforming mobility by offering sustainable solutions through a network of service stations across Europe, including alternative energy options and car-sharing vehicles |
1,045 |
| 36 |
Azienda Ospedaliera San Giovanni Addoloratahsangiovanni.roma.it
A historical hospital in Rome offering modern healthcare services, level II emergency care, specialized clinical units, and regional eye bank services |
1,031 |
| 37 |
Sparkletisparkle.com
Global service provider offering capacity, IP, SD-WAN, colocation, IoT connectivity, roaming, voice solutions to national/international Carriers, OTTs, ISPs, Enterprises, with advanced fiber network |
1,014 |
| 38 | 958 | |
| 39 |
POLICLINICO TOR VERGATAptvonline.it
A hospital and healthcare organization located in Rome, Italy focused on providing medical services and care to the community |
957 |
| 40 |
San Raffaelesanraffaele.it
A leading healthcare organization providing excellence in research, rehabilitation, and patient care with a network of facilities and specialists across Italy |
944 |
| 41 |
IFO - Istituto Nazionale Tumori Regina Elena - Istituto Dermatologico San Gallicanoifo.it
A public entity managing two internationally renowned cancer and dermatology institutes since 1939, focusing on research, specialized care, and training |
859 |
| 42 |
Babcock
Provides helicopter emergency medical services, offshore support, fixed-wing firefighting, and airport ground equipment management with specialized aviation solutions. |
839 |
| 43 |
Fondazione Santa Luciafondazionesantalucia.it
Specializing in neurorehabilitation, the organization provides autonomy and quality of life for adults and children through research and high levels of care |
823 |
| 44 |
IP - italiana petroliip.gruppoapi.com
A leading Italian private company in fuel and mobility services, offering a wide range of products and innovative solutions for sustainable mobility |
807 |
| 45 |
IBL Istituto Bancario del Lavoroiblbanca.it
A company based in Rome offering banking products such as salary-backed loans, personal loans, and deposit accounts through branches across Italy Visit their website for more information |
769 |
| 46 |
GSE (Gestore Servizi Energetici)gse.it
Public company supporting renewable energy sources in Italy, providing economic incentives and promoting sustainable, efficient energy use awareness. |
756 |
| 47 |
Ama S.p.A.amaroma.it
AMA Spa is a leading Italian company in integrated environmental services, focusing on urban hygiene, waste management, sustainability, and innovation for a sustainable future |
722 |
| 48 | 696 | |
| 49 |
UPMC in Italiaupmc.it
A leading US academic health system with innovative clinical programs and research collaborations globally, including hospitals and research centers in Italy |
691 |
| 50 |
ASL Roma 5aslroma5.it
The company is a local health authority in Rome, Italy, promoting and protecting the health of residents in its area |
670 |
| 51 |
ASL Roma 6aslroma6.it
The company is a healthcare provider for 21 municipalities, offering essential healthcare services to over 570,000 residents through hospitals, clinics, and social services |
666 |
| 52 |
Mercitalia Logisticsfslogistix.com
FS Logistix represents the evolution of logistics in Italy and Europe, succeeding Mercitalia Logistics to lead advancements in the sector. |
661 |
| 53 |
Ospedale San Carlogvmnet.it
An accredited hospital with emergency services under the National Health Service Visit GVM Care & Research for health initiatives and updates |
621 |
| 54 |
BCC Romabccroma.it
A cooperative credit bank with 184 branches in Italy, offering financial products, reinvesting in local communities, and engaging in social and environmental activities |
590 |
| 55 |
ASLFrosinoneasl.fr.it
The company is a health organization in the Lazio region of Italy, providing integrated healthcare services and promoting research and innovation in healthcare management |
570 |
| 56 |
Cotral Spacotralspa.it
Manages public transport in the Lazio Region, operating bus services across 376 municipalities and daily transporting over 300,000 passengers, also managing two railway lines. |
514 |
| 57 |
GEKO S.p.A.gekospa.it
The company operates in the energy sector, from development to operation of electric generation plants, renewable energy projects, and eco-friendly technologies worldwide |
500 |
| 58 |
Gruppo Assicurativo Poste Vitapostevita.poste.it
insurance group offering life and damage insurance products through subsidiaries Poste Vita S.p.A. and Poste Assicura S.p.A. |
488 |
| 59 |
d’Amico Shipping Grouplinktr.ee
operates a large fleet of bulk carriers and product/chemical tankers globally, focusing on modern technology, professional staff, and social responsibility. |
487 |
| 60 |
Allianz Trade in Italiaallianz-trade.com
Global leader in credit insurance, surety bonds, debt collection, and political risk, empowering businesses to make informed decisions and grow securely |
393 |
| 61 |
TOTALERG SPAtotalerg.it
A company involved in crude oil processing, distribution of petroleum products, managing service stations, and owning shareholdings in refineries |
286 |
| 62 |
Blue Panorama Airlinesblue-panorama.com
An airline based in Rome, Italy offering domestic and international flights to various destinations, specializing in low-cost services and leisure travel experiences |
223 |
| 63 |
Istituto per il Credito Sportivocreditosportivo.it
A leader in sports infrastructure financing, working with public and private entities to fund projects and optimize management through special government funds |
204 |
| 64 |
BCC Leasingbccleasing.it
Iccrea BancaImpresa offers financial services, leasing, factoring, and consulting to SMEs, including in the agricultural sector, with a focus on growth projects and international business support |
201 |
| 65 |
Banca Finnat Euramericabancafinnat.it
Specializing in investment services for institutional clients, private clients, and businesses, the company has over a century of experience in managing large wealth portfolios |
201 |
| 66 |
Mundysmundys.com
A strategic investment holding company in the mobility sector, combining transport infrastructure concessions with digital service platforms to provide advanced mobility services globally |
185 |
| 67 |
Banca UBAE S.p.A.bancaubae.it
A banking corporation founded in 1972 to facilitate economic relations between European and North African/Middle Eastern companies and financial institutions |
150 |
| 68 |
AXA MPSaxa-mps.it
An insurance company with a capital of €499M, offering life and property insurance products through partnerships with AXA Group and Investments SpA |
150 |
| 69 |
Banca Centro Lazio Credito Cooperativobancacentrolazio.net
Banking institution affiliated with the Cassa Centrale Banca Group Offering a range of financial services to clients within the group |
77 |
| 70 |
Fideuram Vitafideuramvita.it
Established in 2010, the company distributes insurance and social security products through a network of 5,500 private bankers for financial and insurance planning |
63 |
| 71 |
Banca di Scontobancadisconto.it
Specializing in personal credit, including loans with fifth assignment, and distribution of quality financing products through a network of agents and partners |
59 |
| 72 |
MetLife in Italiametlife.it
A global insurance group offering savings, employee benefits, and protection policies to over 90 million clients worldwide through various subsidiaries |
52 |
| 73 |
Cialone Tour S.p.A.cialonetour.it
National and European leader in road transportation, offering a range of services including local public transport, coach rental, chauffeur services, and more Committed to safety, comfort, and modernity |
44 |
| 74 |
Banca Popolare del Cassinatebancapopolaredelcassinate.it
A cooperative bank established in 1955 to support local economic growth, offering traditional and innovative banking solutions with a focus on sustainability |
43 |
| 75 |
CFFT - Logisticscfft.it
Logistics powerhouse at Civitavecchia's port offering 3PL services, storage, rail-connected terminal, customs services, and specialized in food distribution throughout Italy and Mediterranean region |
41 |
| 76 |
MTS S.p.A.mtsmarkets.com
Electronic platform for trading European government, corporate, and covered bonds with comprehensive pre-trade, trade, and post-trade services. |
31 |
| 77 |
REALITOURS - S.R.L. DI REALI MARIOrealitours.it
Specializing in high-end tourism and urban transportation services, providing luxury travel experiences and efficient city transport solutions |
17 |
| 78 |
Bank of Communications (Luxembourg) S.A. Rome Branchbankcomm.com
A historic bank in China with global presence, offering a wide range of banking services to corporate and inter-bank customers |
11 |
| 79 |
Kairos Rainbow srlkairosrainbow.it
They offer controlled temperature transport for retail and pharmaceutical sectors, 3-hour express delivery across Italy, 24/7 service, real-time tracking, and cold chain guarantee Contact for more information |
4 |
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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 Oct 24, 2026.
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