| Rank | Company, City of Head Office (Country) | |
| |
| 1 |  Pirelli & C. SpA in Milano (I) | |
| 2 |  Ericsson Telecomunicazioni in Roma (I) | |
| 3 |  Electrolux Zanussi SpA in Porcia (I) | |
| 5 | SMEG (SPA) in Guastalla (I) | |
| 6 | Iveco Aifo S.p.A. in Pregnana Milanese (I) | |
| 7 | Ceset Srl in Castell'Alfero (I) | |
| 8 | Exide Italia S.R.L in Romano di Lombardia (I) | |
| 9 | Vorwerk Folletto SAS in Milano (I) | |
| 10 | Azienda Mediterranea Gas Acqua SpA in Genova (I) | |
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| 11 | Elbi International (SPA) in Collegno (I) | |
| 12 | Beghelli S.p.A. in Bologna (I) | |
| 13 | GATE SpA in Asti (I) | |
| 14 | Fime S.p.A. in Castelfidardo (I) | |
| 15 | Fini S.p.A. in Zola Predosa (I) | |
| 16 | Ducati Energia SpA in Bologna (I) | |
| 17 | FL Italia SpA in Villastellone (I) | |
| 18 | Electrolux Zanussi Grandi Impianti (SPA) in Conegliano (I) | |
| 19 | Exportex SpA in Milano (I) | |
| 20 | FCE SpA in La Cassa (I) | |
| 21 | Osram SpA in Milano (I) | |
| 22 | Elka dd Tvornnica elektricnih kabela in Zagreb (HR) | |
| 23 | Terim SpA in Baggiovara (I) | |
| 24 | Osram sud SpA in Bari (I) | |
| 25 | Simacvetrella SpA in Pianiga (I) | |
| 26 | General CAVI (SPA) in Argenta (I) | |
| 27 | LORJ srl in Carmignano Di Brenta (I) | |
| 28 | Morteo (SPA) in Genova (I) | |
| 29 | Pont Cavi Elettrici (SRL) in Torino (I) | |
| 30 | Demont Srl in Millesimo (I) | |
| 31 | ABB Tvornica energetskih postojenja in Karlovac (HR) | |
| 32 | Siemens D.D. ZA Elektrotehniku in Zagreb (HR) | |
| 33 | HEP - Proizvodnja d.o.o. in Zagreb (HR) | |
| 34 | Koncar - Sklopna Postrojenja d.d in Sesvete-Kraljevec (HR) | |
| 35 | 3i Industria Italiana Informatica S.p.A in Roma (I) | |
| 36 | Cable and Wireless SpA in Milano (I) | |
| 37 | E.L.D. S.P.A. in Romano D'Ezzelino (I) | |
| 38 | OKI Systems Italia SpA in Lacchiarella (I) | |
| 39 | Saia - Burgess Milano S.R.L in Corsico (I) | |
| 40 | Emtec Magnetics Italia SpA in Cesano Maderno (I) | |
| 41 | HEP - Prijenos d.o.o. in Zagreb (HR) | |
| 42 | Croatia baterije dd in Zagreb (HR) | |
| 43 | Societa' Produttori Sementi (S.P.A.) in Bologna (I) | |
| 44 | Sacla (S.R.L.) in Varedo (I) | |
| 45 | A.R.G.E.S. (S.P.A.) in Inzago (I) | |
| 46 | Electromodul S.P.A. in Carre' (I) | |
| 47 | Mareco Luce S.R.L in Bertinoro (I) | |
| 48 | A.C.S. Elettronica (S.R.L.) in Milano (I) | |
| 49 | Krenesiel SPA in Sassari (I) | |
| 50 | Acal Italia S.R.L in Assago (I) | |
| 52 | SSA Italia S.P.A. in Vimercate (I) | |
| 53 | HEP d.d in Zagreb (HR) | |
| 54 | Koncar-GIM d.d in Zagreb (HR) | |
| 55 | SNAI spa in Porcari (I) | |
| 56 | Uljanik Tesu d. d in Pula (HR) | |
| 57 | Koncar - Energetski Transformatori d.o.o. in Zagreb-Susedgrad (HR) | |
| 58 | Ðuro Ðakoviæ - TEP d. o. o in Slavonski Brod (HR) | |
