The companies listed here are primarily large organizations based in Rome, encompassing a mix of public services, utilities, and financial institutions. Many of these entities operate at a national or international scale, reflecting a strong presence in essential infrastructure and services.
Notable examples include Enel Group, a multinational electricity operator; the World Food Programme, a humanitarian organization; Trenitalia, a European rail operator; and BNL BNP Paribas, a major Italian banking group. The data indicates a concentration of large-scale operations and public-sector entities headquartered in the Italian capital.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
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 | |||
| 2 |
World Food Programmewfp.org
A humanitarian organization awarded the 2020 Nobel Peace Prize, providing food assistance to save lives and promote peace and stability |
22,538 | |||
| 3 |
Trenitaliatrenitalia.com
A leading European rail operator providing passenger transportation and logistics services for goods both domestically and within Europe |
10,198 | |||
| 4 |
INPS_officialinps.it
Provides social media updates on services, job opportunities, and public notices while ensuring respectful, secure user interaction and information access. |
9,195 | |||
| 5 |
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 | |||
| 6 |
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 | |||
| 7 |
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 | |||
| 8 |
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 | |||
| 9 |
Polizia di Statopoliziadistato.it
Specialized civil police force with general jurisdiction, operating under a unique legal framework |
3,975 | |||
| 10 |
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 | |||
| 11 |
Sara Assicurazioni S.p.A.sara.it
Provides transparent, high-quality insurance products focused on auto, personal, and family security through a dedicated agency network. |
1,804 | |||
| 12 |
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 | |||
| 13 |
Marriott Internationalmarriott.com
Specializes in hospitality services, specifically in the hotel industry |
1,428 | |||
| 14 |
HDI ASSICURAZIONIhdiassicurazioni.it
Provides tailored insurance products and services across Italy, leveraging a global network and strong customer-focused approach for protection. |
1,342 | |||
| 15 |
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 | |||
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. | |||||
| 16 |
Eurobet Italiaeurobetgroup.it
A leading player in Italy's sports betting and gaming sector, part of a renowned international group focused on customer experience and innovation for over 25 years |
1,147 | |||
| 17 |
Federazione Italiana Pallacanestrofip.it
The Italian Basketball Federation was established in 1921 to promote, regulate, and develop the sport of basketball in Italy It adheres to FIBA regulations |
1,142 | |||
| 18 |
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 | |||
| 19 |
AS Romaasroma.com
A historic Serie A football club with renewed ambitions, a world-class youth academy, international fan base, and a focus on winning titles globally |
986 | |||
| 20 | 958 | ||||
| 21 |
Drivaliadrivalia.com
A European company offers various automotive services including car rental, car subscription, and electric car sharing across 13 countries with a large fleet and charging stations |
950 | |||
| 22 |
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 | |||
| 23 |
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 | |||
| 24 |
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 | |||
| 25 |
Subduedsubdued.com
Italian clothing and accessories brand providing trendy youthful and contemporary aesthetic fashion globally to teenage girls and young women seeking stylish designs. |
755 | |||
| 26 |
Alice Pizzaalicepizza.it
A leading Italian pizza brand with 180 locations, two training academies, and over 60 evolving recipes Committed to sharing the culture of pizza worldwide |
647 | |||
| 27 |
MioDottoremiodottore.it
A digital platform connecting patients with healthcare providers, offering a seamless booking experience and optimized patient care management through innovative software solutions |
625 | |||
| 28 |
AIFA Agenzia Italiana del farmacoaifa.gov.it
The company is the national regulatory authority for drugs in Italy, ensuring safe access and proper use, managing pharmaceutical spending, promoting innovation, and collaborating with stakeholders |
594 | |||
| 29 |
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 | |||
| 30 |
The Space Cinemathespacecinema.it
A leading cinema circuit with 36 multiplexes offering modern facilities, exclusive content, events, and live broadcasts, focusing on delivering excellence to moviegoers |
545 | |||
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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 Rome
- The largest companies in Rome 1,036
- Multinational companies in Rome 196
- Retail chains in Rome 99
- Critical infrastructure operators in Rome 92
- Financial services firms in Rome 92
- Public sector organisations in Rome 92
- Companies with in-house R&D in Rome 82
- IT services companies in Rome 73
- IT Services and IT Consulting companies in Rome 72
- Financial Services companies in Rome 58
- Consulting firms in Rome 56
- Education providers in Rome 56
- Professional services firms in Rome 52
- Software Development companies in Rome 46
- Corporate groups and holding companies in Rome 46
- Hospitality companies in Rome 42
- Government Administration companies in Rome 38
- Hotel and hospitality groups in Rome 36
- Luxury brands in Rome 36
- Manufacturers in Rome 36
- Healthcare providers in Rome 35
- E-commerce companies in Rome 34
- Family-owned companies in Rome 34
- Entertainment Providers companies in Rome 31