Top solar companies in Italy
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Spie Citynetworks | Italy | Milano | Via Tiziano 32 | Milano | 20145 | N/A | 2021 | $945,616,199 | 30 | Foreign company | 854 | IT11951040960 |
| 2 | Itel SPA | Italy | San Gregorio Di Catania | Via Cerza 4 | Catania | 95027 | sielte.***** | 1973 | $847,737,541 | 135 | Corporation | 50 | IT00250450871 |
| 3 | Sirti Telco Infrastructures SPA | Italy | Sesto San Giovanni | Viale Thomas Alva Edison 110 | Milano | 20099 | sirti.***** | 2022 | $630,717,225 | 2,513 | Corporation | 421 | IT12492310961 |
| 4 | Site SPA | Italy | Bologna | Via del Tuscolano 15 | Bologna | 40128 | sitespa.***** | 1990 | $595,635,402 | 3,086 | Corporation | 51 | IT03983200373 |
| 5 | Nidec Asi SPA | Italy | Cinisello Balsamo | Via Fratelli Gracchi 39 | Milano | 20092 | nidec-industrial.***** | 1960 | $556,197,914 | 935 | Corporation | 639 | IT03238380962 |
| 6 | Ericsson Telecomunicazioni SPA | Italy | Roma | Viale Beethoven 11 | Roma | 00144 | ericsson.***** | 1918 | $517,296,596 | 1,446 | Corporation | 560 | IT00886171008 |
| 7 | Equans Italia SPA | Italy | Milano | Via Giorgio Stephenson 73 | Milano | 20157 | bouygues-es.***** | 1999 | $359,373,936 | 549 | Corporation | 4201 | IT12763640153 |
| 8 | Nokia Solutions And Networks Italia SPA | Italy | Vimercate | Via Energy Park 14 | Monza E Brianza | 20871 | nokia.***** | 2007 | $326,568,052 | 1,206 | Corporation | 897 | IT05679490960 |
| 9 | Cbre Gws SRL | Italy | Milano | Via Caduti Di Marcinelle 3 | Milano | 20134 | cbre.***** | 1979 | $325,827,370 | 500 | Corporation | 2501 | IT12222600152 |
| 10 | Telebit SPA | Italy | Casier | Via Marco Fanno 1 | Treviso | 31030 | telebit.***** | 1989 | $316,532,735 | 941 | Corporation | 66 | IT01144610936 |
| 11 | Gemmo SPA | Italy | Arcugnano | Via Dell'Industria 2 | Vicenza | 36057 | gemmo.***** | 1919 | $246,097,896 | 1,032 | Corporation | 44 | IT03214610242 |
| 12 | Cebat SPA | Italy | Roma | Via Angelo Banti 26/28 | Roma | 00138 | cebat.***** | 2019 | $240,490,905 | 1,249 | Corporation | 220 | IT15324221009 |
| 13 | Enel X Italia SRL | Italy | Roma | Via Luigi Boccherini 15 | Roma | 00198 | enel.***** | 2014 | $228,164,678 | 500 | Corporation | 3629 | IT13111961002 |
| 14 | Sirti Digital Solutions SPA | Italy | Sesto San Giovanni | Viale Thomas Alva Edison 110 | Milano | 20099 | sirti.***** | 2006 | $224,772,305 | 505 | Corporation | 421 | IT12492300962 |
| 15 | City Green Light SPA | Italy | Vicenza | Via Giuseppe Zampieri 15 | Vicenza | 36100 | citygreenlight.***** | 2012 | $194,677,386 | 500 | Corporation | 25 | IT03785880240 |
| 16 | Roda SPA | Italy | Pontevico | Strada Francesca 10 | Brescia | 25026 | rodaspa.***** | 1964 | $172,516,826 | 500 | Corporation | 15 | IT00549730984 |
| 17 | Mer Mec Ste SRL | Italy | Milano | Viale Monza 338 | Milano | 20128 | N/A | 2020 | $160,291,825 | 471 | Corporation | 111 | IT11420250968 |
| 18 | Comal SPA | Italy | Montalto Di Castro | Strada Statale Aurelia | Viterbo | 01014 | comalgroup.***** | 2001 | $158,652,335 | 500 | Corporation | 121 | IT01685280560 |
| 19 | AB Service SRL | Italy | Orzinuovi | Via Caduti del Lavoro 13 | Brescia | 25034 | gruppoab.***** | 2002 | $142,320,760 | 500 | Corporation | 54 | IT02279020982 |
| 20 | Johnson Controls SPA | Italy | Cinisello Balsamo | Via Milanese 124 | Milano | 20092 | johnsoncontrols.***** | 1990 | $133,457,897 | 500 | Corporation | 2636 | IT10198230152 |
| 21 | Consorzio Stabile Prometeo SPA | Italy | Foggia | Via Napoli | Foggia | 71122 | consorzioprometeo.***** | 2000 | $127,700,432 | 15 | Corporation | N/A | IT03052560715 |
| 22 | Soleto SPA | Italy | Milano | Via Don Giovanni Minzoni 1 | Milano | 20158 | bit.***** | 1992 | $122,327,275 | 595 | Corporation | 11 | IT10640540158 |
| 23 | Conexus SPA | Italy | Roma | Via Benedetto Croce 6 | Roma | 00142 | conexusspa.***** | 2010 | $118,794,014 | 251 | Corporation | 919 | IT10331420017 |
| 24 | Consenergy SRL Consortile | Italy | Brescia | Via Achille Grandi 22/b | Brescia | 25125 | N/A | 1998 | $115,423,998 | 20 | Corporation | 2 | IT01978220208 |
| 25 | Medinok SPA | Italy | Casoria | Via Stromboli Snc | Napoli | 80026 | medinok.***** | 1991 | $113,328,375 | 320 | Corporation | 66 | IT07635550630 |
Showing 25 of 100,499 companies
Request Free SampleSolar companies in Italy by region
100.499 solar companies across 108 Italian regiones. The table below shows the share each region holds.
Solar companies in Italy by employee size
| Bracket | Companies | Share |
|---|---|---|
| 1-4 | 77.828 | |
| 5-9 | 8170 | |
| 0 or Unknown | 7884 | |
| 10-19 | 4207 | |
| 20-49 | 1768 | |
| 50-99 | 408 | |
| 100-199 | 160 | |
| 200-499 | 52 | |
| 500-999 | 16 | |
| 1.000-4.999 | 6 |
Solar companies in Italy by revenue
| Bracket | Companies | Share |
|---|---|---|
| 100.001 to 499.999 | 47.212 | |
| 1 to 100.000 | 24.191 | |
| 0 or Unknown | 15.460 | |
| 500.000 to 999.999 | 6394 | |
| 1.000.000 to 4.999.999 | 5863 | |
| 5.000.000 to 9.999.999 | 785 | |
| 10.000.000 to 49.999.999 | 514 | |
| 50.000.000 to 99.999.999 | 50 | |
| 100.000.000 to 499.999.999 | 24 | |
| 500.000.000 to 999.999.999 | 6 |
ATECO 2007, NACE and industry classification for Italian solar companies
Italian solar companies are classified under NACE Rev 2 code 4321. Italy's ATECO 2007 classification mirrors NACE Rev 2 at the 4-digit level, so the codes match exactly. The list above covers every active business in this category registered with the Registro Imprese (Italian Business Register).
Closely related business services
Frequently asked questions about solar companies in Italy
Our list tracks 100.499 active solar companies across every Italian regione, sourced from the Italian Registro Imprese (commercial register) and verified monthly. The exact count changes as firms register, dissolve and merge.
The region with the most solar companies is Roma, followed by the other major economic regions. The full regional breakdown above shows the share each Italian regione holds.
Italian solar companies are classified under NACE Rev 2 code 4321, which mirrors Italy's national ATECO 2007 codes. The list above covers every active Italian company in this category. Italy's ATECO 2007 classification is a 1:1 NACE Rev 2 implementation at the 4-digit level, so the codes match exactly.
Yes. Apply your filters (region, size, revenue, etc.) on the platform, preview the result, then export the full filtered list as CSV or Excel. Larger exports are delivered by email link. Request a free sample first if you want to evaluate the data before you buy.
Every record includes the firm name, full address, primary phone, business email (where available), website, organisasjonsnummer (org. nr.), VAT registration, employee size, revenue band, founding year and NACE / ATECO 2007 classification. Records are sourced from the Registro Imprese (commercial register) and re-verified monthly.
Monthly. Each refresh removes firms that have dissolved and adds new registrations from the latest Registro Imprese feeds. The "Last updated" line at the top of this page shows the most recent refresh date.
108 Italian regiones have at least one active solar companie in our list. The region with the most solar companies is Roma, followed by the other major economic regions. Use the regional breakdown table above to see the full distribution.
