| 1 | Marcegaglia Holding SRL | Italy | Gazoldo Degli Ippoliti | Via Bresciani 16 | Mantova | 46040 | marcegaglia.***** | 2015 | $7,507,958,760 | 550 | N/A | N/A | IT02466980204 |
| 2 | Chimet SPA | Italy | Civitella in Val Di Chiana | Via Dei Laghi 31/33 | Arezzo | 52041 | chimet.***** | 1974 | $6,405,146,431 | 152 | N/A | N/A | IT00155440514 |
| 3 | Acciaierie D'italia SPA | Italy | Milano | Viale Certosa 239 | Milano | 20151 | gruppoilvainas.***** | 1995 | $5,636,348,876 | 9,849 | N/A | N/A | IT10354890963 |
| 4 | Italpreziosi SPA | Italy | Arezzo | Localita' San Zeno Zona Industriale Strada A 32 | Arezzo | 52100 | italpreziosi.***** | 1984 | $4,169,239,558 | 520 | N/A | N/A | IT01111420517 |
| 5 | Acciaierie D'italia Holding SPA | Italy | Milano | Viale Certosa 239 | Milano | 20151 | acciaierieditalia.***** | 2016 | $4,037,727,648 | 520 | N/A | N/A | IT09520030967 |
| 6 | Marcegaglia Carbon Steel SPA | Italy | Gazoldo Degli Ippoliti | Via Bresciani 16 | Mantova | 46040 | marcegaglia.***** | 1959 | $3,491,964,518 | 1,698 | N/A | N/A | IT02466220205 |
| 7 | Acciaieria Arvedi SPA | Italy | Cremona | Via Acquaviva 18 | Cremona | 26100 | arvedi.***** | 1988 | $2,862,544,656 | 2,045 | N/A | N/A | IT11852670154 |
| 8 | T.C.A. Trattamenti Ceneri Auroargentifere SPA | Italy | Capolona | Localita' Castelluccio 11 | Arezzo | 52010 | tcaspa.***** | 1977 | $2,637,679,634 | 150 | N/A | N/A | IT00279290514 |
| 9 | Acciai Speciali Terni SPA | Italy | Terni | Viale Benedetto Brin 218 | Terni | 05100 | acciaiterni.***** | 1994 | $2,522,527,672 | 2,291 | N/A | N/A | IT00715760559 |
| 10 | Feralpi Siderurgica SPA | Italy | Lonato del Garda | Via Carlo Nicola Pasini 11 | Brescia | 25017 | feralpigroup.***** | 1969 | $1,874,176,051 | 548 | N/A | N/A | IT02530630983 |
| 11 | Afv Acciaierie Beltrame SPA | Italy | Vicenza | Viale della Scienza 81 | Vicenza | 36100 | beltrame.***** | 2000 | $1,666,316,145 | 944 | N/A | N/A | IT13017310155 |
| 12 | Marcegaglia Specialties SPA | Italy | Gazoldo Degli Ippoliti | Via Bresciani 16 | Mantova | 46040 | marcegaglia.***** | 1959 | $1,618,201,602 | 605 | N/A | N/A | IT02466230204 |
| 13 | Dalmine SPA | Italy | Dalmine | Piazza Caduti 6 Luglio 1944 1 | Bergamo | 24044 | tenaris.***** | 1920 | $1,606,574,454 | 2,119 | N/A | N/A | IT02149710168 |
| 14 | Cci Colatacontinuaitaliana SPA In Breve Cci SPA | Italy | Pizzighettone | Via Regona 3 | Cremona | 26026 | carlocolombo.***** | 1982 | $1,454,358,648 | 180 | N/A | N/A | IT05055530157 |
| 15 | Acciaierie Bertoli Safau SPA | Italy | Pozzuolo del Friuli | Via Buttrio 28 | Udine | 33050 | m.***** | 1937 | $1,409,803,066 | 1,277 | N/A | N/A | IT00162880306 |
| 16 | Ferriere Nord SPA | Italy | Osoppo | Zona Industriale Snc | Udine | 33010 | op-formazione.***** | 1970 | $1,324,273,246 | 745 | N/A | N/A | IT00163780307 |
| 17 | Acciaierie Valbruna SPA | Italy | Vicenza | Viale della Scienza 25 | Vicenza | 36100 | valbruna-stainless-steel.***** | 1925 | $1,296,195,591 | 1,768 | N/A | N/A | IT02866820240 |
| 18 | Acciaierie Venete SPA | Italy | Padova | Riviera Francia 9/11 | Padova | 35127 | acciaierievenete.***** | 1963 | $1,230,753,191 | 1,456 | N/A | N/A | IT00224180281 |
| 19 | Safimet SPA Societa' Benefit | Italy | Arezzo | Localita' San Zeno 63/e | Arezzo | 52100 | safimet.***** | 2000 | $1,152,122,117 | 65 | N/A | N/A | IT01668080516 |
| 20 | Padana Tubi E Profilati Acciaio SPA | Italy | Guastalla | Via Portamurata 8/a | Reggio Nell'Emilia | 42016 | padanatubi.***** | 1975 | $1,001,418,314 | 755 | N/A | N/A | IT00323370353 |
| 21 | Cogne Acciai Speciali SPA | Italy | Aosta | Strada Paravera 16 | Aosta | 11100 | cogne.***** | 1991 | $954,118,836 | 1,257 | N/A | N/A | IT00571320076 |
| 22 | Alfa Acciai SPA | Italy | Brescia | Via San Polo 152 | Brescia | 25134 | alfaacciai.***** | 1978 | $930,407,700 | 654 | N/A | N/A | IT00988040176 |
| 23 | Profilglass SPA | Italy | Fano | Via Meda 28 | Pesaro E Urbino | 61032 | profilglass.***** | 1982 | $895,492,647 | 937 | N/A | N/A | IT00706270410 |
| 24 | Guala Closures SPA | Italy | Alessandria | Via Rana 12 | Alessandria | 15122 | gualaclosures.***** | 1965 | $878,448,630 | 529 | N/A | N/A | IT10038620968 |
| 25 | Mbda Italia SPA | Italy | Roma | Via Monte Flavio 45 | Roma | 00131 | mbda-systems.***** | 2001 | $865,707,445 | 2,202 | N/A | N/A | IT06700621003 |
| 26 | Proma SPA | Italy | San Nicola la Strada | Viale Carlo Iii, Trav.i, Via Galvani S.n.c. | Caserta | 81020 | gruppoproma.***** | 1990 | $827,512,336 | 892 | N/A | N/A | IT01872610611 |
| 27 | Metalmeccanica Tiberina SRL | Italy | Umbertide | Via Zona Industriale Madonna del Moro | Perugia | 06019 | tiberinagroup.***** | 1963 | $770,584,240 | 590 | N/A | N/A | IT00160880548 |
| 28 | Raffmetal SPA | Italy | Casto | Via Malpaga 82 | Brescia | 25070 | raffmetal.***** | 1976 | $729,937,515 | 463 | N/A | N/A | IT00583790985 |
| 29 | A. Agrati SPA | Italy | Veduggio Con Colzano | Via Piave 28/30 | Monza E Brianza | 20837 | agrati.***** | 1979 | $708,264,647 | 728 | N/A | N/A | IT00782730964 |
| 30 | Faggi Enrico SPA | Italy | Sesto Fiorentino | Via Ettore Majorana 101/103 | Firenze | 50019 | faggi.***** | 1965 | $636,295,708 | 520 | N/A | N/A | IT03614430480 |
| 31 | Marcegaglia Plates SPA | Italy | Gazoldo Degli Ippoliti | Via Bresciani 16 | Mantova | 46040 | marcegaglia.***** | 1959 | $621,878,190 | 203 | N/A | N/A | IT02466240203 |
| 32 | Arcelormittal Cln Distribuzione Italia SRL | Italy | Caselette | Corso Susa 13/15 | Torino | 10040 | arcelormittalcln.***** | 1967 | $608,131,655 | 520 | N/A | N/A | IT11233970018 |
| 33 | Intals SPA | Italy | Milano | Via Enrico Schievano 7 | Milano | 20143 | intals.***** | 1902 | $550,980,547 | 520 | N/A | N/A | IT05860300150 |
| 34 | Laminazione Sottile SPA In Forma Abbreviata Laminazione Sottile SPA | Italy | San Marco Evangelista | Strada Statale 87 Sannitica Km. 21.200 | Caserta | 81020 | laminazionesottile.***** | 1923 | $526,996,110 | 594 | N/A | N/A | IT00289760639 |
| 35 | Trafilerie Carlo Gnutti SPA | Italy | Chiari | Via San Bernardino 23/a | Brescia | 25032 | gnuttichiari.***** | 1947 | $526,760,258 | 389 | N/A | N/A | IT00546750985 |
| 36 | Arvedi Tubi Acciaio SPA | Italy | Cremona | Via Acquaviva 3 | Cremona | 26100 | arvedi.***** | 1972 | $507,177,095 | 520 | N/A | N/A | IT00113630198 |
| 37 | Metinvest Trametal SPA | Italy | Genova | Via Xii Ottobre 1 | Genova | 16121 | metinvestholding.***** | 2007 | $497,375,303 | 520 | N/A | N/A | IT05956630965 |
| 38 | O.R.I. Martin Acciaieria E Ferriera Di Brescia SPA | Italy | Brescia | Via Cosimo Canovetti 13 | Brescia | 25128 | orimartin.***** | 1902 | $485,631,643 | 639 | N/A | N/A | IT07617260158 |
| 39 | Liberty Magona SRL | Italy | Piombino | Via Di Portovecchio 34 | Livorno | 57025 | libertysteelgroup.***** | 2017 | $459,637,455 | 520 | N/A | N/A | IT01883410498 |
| 40 | Caleffi SPA | Italy | Fontaneto D'Agogna | Strada Regionale 229 25 | Novara | 28010 | experience.***** | 1973 | $457,226,198 | 800 | N/A | N/A | IT04104030962 |
| 41 | Sonoco Metal Packaging Italia SRL | Italy | Parma | Strada Ugozzolo 100/a | Parma | 43122 | N/A | 1991 | $456,292,304 | 1,195 | N/A | N/A | IT01554960599 |
| 42 | Acciaierie Di Verona SPA | Italy | Osoppo | Zona Industriale Snc | Udine | 33010 | adv.***** | 1986 | $450,462,128 | 389 | N/A | N/A | IT02830390304 |
| 43 | Lattonedil SPA Milano | Italy | Carimate | Via Degli Artigiani 14 | Como | 22060 | lattonedil.***** | 1968 | $444,631,548 | 520 | N/A | N/A | IT03138670132 |
| 44 | Duferco Travi E Profilati SPA | Italy | San Zeno Naviglio | Via Armando Diaz 248 | Brescia | 25010 | dufercotp.***** | 1996 | $439,562,664 | 520 | N/A | N/A | IT03386150175 |
| 45 | Gabrielli SPA | Italy | Cittadella | Via Giuseppe Mazzini 58 | Padova | 35013 | gabrielli.***** | 1954 | $426,876,795 | 519 | N/A | N/A | IT00362740284 |
| 46 | Jsw Steel Italy Piombino SPA | Italy | Piombino | Largo Caduti Sul Lavoro 21 | Livorno | 57025 | jswitaly.***** | 2015 | $420,376,111 | 1,312 | N/A | N/A | IT01804670493 |
| 47 | Eurotranciatura SPA | Italy | Baranzate | Via Stella Rosa 48/50 | Milano | 20021 | euro-group.***** | 1967 | $418,119,433 | 827 | N/A | N/A | IT05984370154 |
| 48 | Profilmec SPA | Italy | Racconigi | Strada Regionale 20 Dir. Torino 22 | Cuneo | 12035 | profilmecgroup.***** | 1961 | $417,203,503 | 520 | N/A | N/A | IT00513550012 |
| 49 | Portovesme SRL | Italy | Giba | Strada Provinciale 2 0carbonia/portoscuso | Sud Sardegna | 09010 | portovesme.***** | 1997 | $412,232,873 | 526 | N/A | N/A | IT02523530927 |
| 50 | Fiocchi Munizioni SPA | Italy | Lecco | Via Santa Barbara 4 | Lecco | 23900 | fiocchi.***** | 1979 | $408,215,731 | 1,021 | N/A | N/A | IT00810220137 |
| 51 | Ma SRL | Italy | Rivoli | Via Pavia 68 | Torino | 10098 | N/A | 1992 | $407,451,385 | 1,227 | N/A | N/A | IT01101540761 |
| 52 | Franke SPA | Italy | Peschiera del Garda | Via Pignolini 2 | Verona | 37019 | franke.***** | 1964 | $402,392,089 | 590 | N/A | N/A | IT00209480235 |
| 53 | Travi E Profilati Di Pallanzeno SPA | Italy | San Zeno Naviglio | Via Armando Diaz 248 | Brescia | 25010 | N/A | 1996 | $395,779,027 | 520 | N/A | N/A | IT01910110038 |
| 54 | Rodacciai SPA | Italy | Bosisio Parini | Via Giuseppe Roda 1 | Lecco | 23842 | rodacciai.***** | 1987 | $391,095,175 | 646 | N/A | N/A | IT09036850155 |
| 55 | Riva Acciaio SPA | Italy | Milano | Viale Certosa 249 | Milano | 20151 | rivaacciaio.***** | 1986 | $390,202,347 | 957 | N/A | N/A | IT08521290158 |
| 56 | Ferriera Valsabbia SPA | Italy | Odolo | Via Guglielmo Marconi 13 | Brescia | 25076 | ferriera-valsabbia.***** | 1954 | $378,736,557 | 520 | N/A | N/A | IT02105240986 |
| 57 | Lucchini Rs SPA | Italy | Brescia | Via Guglielmo Oberdan 6/a | Brescia | 25128 | lucchinitoolsteel.***** | 2018 | $369,207,451 | 934 | N/A | N/A | IT04011990985 |
| 58 | A.l.m.a.g. SPA Azienda Lavorazioni Metallurgiche Ed Affini Gnutti | Italy | Roncadelle | Via Vittorio Emanuele Ii 39 | Brescia | 25030 | almag.***** | 1947 | $368,096,497 | 520 | N/A | N/A | IT03368970988 |
| 59 | Ilta Inox SPA | Italy | Robecco D'Oglio | Strada Statale 45 Bis | Cremona | 26010 | arvedi.***** | 1987 | $365,707,599 | 338 | N/A | N/A | IT00883040198 |
| 60 | Cimolai SPA | Italy | Roma | Viale Pasteur 49 | Roma | 00144 | N/A | 1978 | $362,545,035 | 961 | N/A | N/A | IT01507200937 |
| 61 | Siderpotenza SPA | Italy | Osoppo | Zona Industriale Snc | Udine | 33010 | N/A | 2019 | $357,672,888 | 277 | N/A | N/A | IT02967560307 |
| 62 | Sbe-Varvit SPA | Italy | Reggio Emilia | Via Enzo Lazzaretti 2/a | Reggio Nell'Emilia | 42122 | sbe.***** | 1962 | $354,738,944 | 814 | N/A | N/A | IT00052160314 |
| 63 | Slim Aluminium SPA | Italy | Cisterna Di Latina | Piazzale Dell'Alluminio Snc | Latina | 04012 | slimalu.***** | 1992 | $346,964,046 | 416 | N/A | N/A | IT01906930597 |
| 64 | Feinrohren SPA | Italy | Passirano | Via Generale Reverberi 8 | Brescia | 25050 | feinrohren.***** | 1961 | $343,893,411 | 520 | N/A | N/A | IT00551380983 |
| 65 | Aperam Stainless Services & Solutions Italy SRL | Italy | Massalengo | Localita' Priora | Lodi | 26815 | aperam.***** | 1989 | $338,435,242 | 182 | N/A | N/A | IT13285840156 |
| 66 | Marcegaglia Ravenna SPA | Italy | Gazoldo Degli Ippoliti | Via Bresciani 16 | Mantova | 46040 | marcegaglia.***** | 2018 | $336,961,908 | 861 | N/A | N/A | IT02559130204 |
| 67 | Nlmk Verona SPA | Italy | Oppeano | Via Antonio Salieri 22 | Verona | 37050 | eu.***** | 1997 | $335,248,014 | 314 | N/A | N/A | IT02810870234 |
| 68 | Fabbrica D'armi Pietro Beretta SPA | Italy | Gardone Val Trompia | Via Pietro Beretta 18 | Brescia | 25063 | beretta.***** | 1980 | $332,274,622 | 934 | N/A | N/A | IT01541040174 |
| 69 | Doma SRL | Italy | Pergine Valdarno | Via Cinchio Berti 15 | Arezzo | 52019 | do-ma.***** | 2006 | $324,621,018 | 8 | N/A | N/A | IT01899290512 |
| 70 | Officine Metallurgiche G. Cornaglia SPA Siglabile Cornaglia SPA | Italy | Villarbasse | Via Rivoli 118 | Torino | 10090 | cornaglia.***** | 1916 | $318,610,569 | 590 | N/A | N/A | IT00491030011 |
| 71 | Gnutti Cirillo SPA | Italy | Lumezzane | Via Ruca 96 | Brescia | 25065 | gnutticirillo.***** | 1996 | $315,628,922 | 520 | N/A | N/A | IT01951630985 |
| 72 | Trivium Packaging Italy SRL | Italy | Montecchio Emilia | Via Dell'Industria 3 | Reggio Nell'Emilia | 42027 | aziende.***** | 2017 | $313,801,856 | 571 | N/A | N/A | IT02777680352 |
| 73 | Metalservice SPA | Italy | Cittadella | Via Giuseppe Mazzini 58 | Padova | 35013 | gabrielli.***** | 1988 | $309,880,177 | 590 | N/A | N/A | IT02209250287 |
| 74 | Egm SPA | Italy | Racale | Via Udine 5 | Lecce | 73055 | egmspa.***** | 2008 | $308,521,783 | 15 | N/A | N/A | IT02926140795 |
| 75 | Manni Sipre SPA | Italy | Verona | Via Augusto Righi 7 | Verona | 37135 | mannienergy.***** | 1988 | $307,340,088 | 436 | N/A | N/A | IT02047310236 |
| 76 | Cromodora Wheels SPA | Italy | Ghedi | Strada Montichiari 20 | Brescia | 25016 | cromodorawheels.***** | 1974 | $305,164,026 | 550 | N/A | N/A | IT00303630172 |
| 77 | Sabaf SPA | Italy | Ospitaletto | Via Dei Carpini 1 | Brescia | 25035 | sabaf.***** | 1945 | $301,486,013 | 454 | N/A | N/A | IT01786910982 |
| 78 | Tecnocap SPA | Italy | Cava De' Tirreni | Via Starza 4/bis | Salerno | 84013 | tecnocapgroup.***** | 1993 | $298,555,514 | 376 | N/A | N/A | IT02865960658 |
| 79 | Flowserve SRL | Italy | Cormano | Via Prealpi 32 | Milano | 20032 | flowserve.***** | 1992 | $293,953,328 | 295 | N/A | N/A | IT10979380150 |
| 80 | Cameron Italy SRL | Italy | Voghera | Via Italo Betto 11 | Pavia | 27058 | cameron.***** | 1997 | $289,816,592 | 731 | N/A | N/A | IT12055830157 |
| 81 | Legnano Teknoelectric Company SPA | Italy | Legnano | Via Novara 81 | Milano | 20025 | ltc-group.***** | 1983 | $288,567,901 | 590 | N/A | N/A | IT07121130152 |
| 82 | Silmet SPA | Italy | Torbole Casaglia | Via Martiri della Liberta' 31 | Brescia | 25030 | silmet.***** | 1973 | $287,008,240 | 520 | N/A | N/A | IT03488610175 |
| 83 | Stemin SPA | Italy | Comun Nuovo | Via Guglielmo Marconi 67 | Bergamo | 24040 | stemin.***** | 1999 | $286,286,133 | 93 | N/A | N/A | IT02681790164 |
| 84 | Forgital Italy SPA | Italy | Velo D'Astico | Via Giuseppe Spezzapria 1 | Vicenza | 36010 | forgitalitaly.***** | 1873 | $286,093,962 | 590 | N/A | N/A | IT02689090245 |
| 85 | Fomas SPA | Italy | Osnago | Via Martiri della Liberazione 17 | Lecco | 23875 | fomasgroup.***** | 1980 | $276,816,372 | 520 | N/A | N/A | IT12216260153 |
| 86 | Siderurgica Fiorentina SPA | Italy | Monteriggioni | Via Chiantigiana 10 Castellina | Siena | 53035 | siderurgicafiorentina.***** | 1963 | $272,596,268 | 172 | N/A | N/A | IT01028650529 |
| 87 | Bosch Rexroth Oil Control SPA | Italy | Milano | Via Marcantonio Colonna 35 | Milano | 20149 | bosch.***** | 1986 | $267,345,518 | 1,309 | N/A | N/A | IT08352200151 |
| 88 | Metra Metallurgica Trafilati Alluminio SPA | Italy | Rodengo Saiano | Via Stacca 1 | Brescia | 25050 | metra.***** | 1973 | $266,617,480 | 520 | N/A | N/A | IT00285030177 |
| 89 | Beta Utensili SPA | Italy | Sovico | Via Alessandro Volta 18 | Monza E Brianza | 20845 | beta-tools.***** | 2015 | $265,953,744 | 500 | N/A | N/A | IT09321470966 |
| 90 | C.E.I. Costruzione Emiliana Ingranaggi SPA | Italy | Anzola Dell'Emilia | Via Emilia 239 | Bologna | 40011 | cei.***** | 1969 | $263,334,297 | 376 | N/A | N/A | IT00707451209 |
| 91 | Commit Siderurgica SPA | Italy | Veggiano | Via Dell'Industria 23 | Padova | 35030 | gruppocommit.***** | 1985 | $261,143,567 | 111 | N/A | N/A | IT01958150284 |
| 92 | Eural Gnutti SPA | Italy | Rovato | Via Sant'Andrea 3 | Brescia | 25038 | eural.***** | 1967 | $260,278,424 | 520 | N/A | N/A | IT00566100988 |
| 93 | De Angeli Prodotti Holding SRL | Italy | Bagnoli Di Sopra | Viale Dell'Industria 1 | Padova | 35023 | deangeliprodotti.***** | 2009 | $260,160,755 | 300 | N/A | N/A | IT04384200285 |
| 94 | Sideralba SPA | Italy | Acerra | Contrada Pantano Zona Asi | Napoli | 80011 | sideralba.***** | 1993 | $258,715,169 | 520 | N/A | N/A | IT02731591216 |
| 95 | Ferriera Valsider SPA | Italy | Oppeano | Via Antonio Salieri 36 | Verona | 37050 | metinvestholding.***** | 2000 | $257,879,691 | 135 | N/A | N/A | IT03067420236 |
| 96 | Swk Utensilerie SRL | Italy | Gemonio | Via Roma 5 | Varese | 21036 | aziende.***** | 1971 | $257,221,013 | 500 | N/A | N/A | IT01987190129 |
| 97 | Pelliconi & C. SPA | Italy | Ozzano Dell'Emilia | Via Emilia 314 | Bologna | 40064 | pelliconi.***** | 1935 | $256,397,045 | 376 | N/A | N/A | IT00502181209 |
| 98 | Officine Facco & C. SPA | Italy | Campo San Martino | Via Venezia 30 | Padova | 35010 | facco.***** | 1955 | $255,016,479 | 376 | N/A | N/A | IT00202900288 |
| 99 | Tesmec SPA | Italy | Grassobbio | Via Zanica 17/o | Bergamo | 24050 | tesmec.***** | 1991 | $253,321,811 | 390 | N/A | N/A | IT10227100152 |
| 100 | Rubinetterie Bresciane Bonomi SPA | Italy | Gussago | Via Massimo Bonomi 1 | Brescia | 25064 | rubinetteriebresciane.***** | 1952 | $253,216,024 | 525 | N/A | N/A | IT04234710988 |