| Symbol | Institution type | Institution name and address | Regional Service Provider | Member Status | MARC21 Code |
|---|---|---|---|---|---|
| A0I | Corporate/Business | ABI-ASS BANCARIA ITALIANA MILANO, 201232 Italy | Europe & Africa | Active | |
| A2R | Academic | ISTITUTO OLANDESE DI STORIA DELL'ARTE FIRENZE, 50100 Italy | Europe & Africa | Inactive | |
| A6B | Corporate/Business | ABB RICERA SPA MILANO, 20099 Italy | Europe & Africa | Inactive | |
| A7G | Corporate/Business | ISTITUTO AGRONOMICO PER L'OLTREMARE FIRENZE, 50129 Italy | Europe & Africa | Active | |
| A7Z | Corporate/Business | AM POWER CONVERSION MILAN, 20129 Italy | Europe & Africa | Inactive | |
| AVG | Federal/National Govt | USAFE AVIANO BASE LIBR AVIANO, I-33081 Italy | Europe & Africa | Active | |
| B7U | Academic | UNIV OF BARI, DIPARTIMENTO SCIENCZE ECON BARI, 70124 Italy | Europe & Africa | Inactive | |
| BBT | Academic | FACOLTA DI BIOLOGIA E SCI DELLA TERRA GENOVA, 16132 Italy | Europe & Africa | Inactive | |
| BKI | Association/Foundation | VATICAN ARCHIVES Vatican City, 00120 Italy | Independent | Inactive | VatBA |
| BSN | Academic | UNIV CATTOLICA DEL SACRO CUAORE BIBLIO FIRENZE, Italy | Europe & Africa | Active | |
| BVF | Other | BIBLIOTECA UFFIZI DI FIRENZE FIRENZE, 50100 Italy | Europe & Africa | Active | |
| C#U | Academic | UNIVERSITA DEGLI STUDI DI CATANIA CATANIA (CT), 95125 Italy | Europe & Africa | Active | |
| C3L | Corporate/Business | CASALINI LIBRI FIRENZE, 50014 Italy | Independent | Active | ItFiC |
| C6G | Public | COMUNE DI COLOGNO MONZESE MILANO, 1211 Italy | Europe & Africa | Active | |
| C6H | Academic | FACOLTA DI CHIMICA GENOVA, 16146 Italy | Europe & Africa | Inactive | |
| C95 | Corporate/Business | CERFE ROME, 00195 Italy | Europe & Africa | Active | |
| CILEA | Other | CDL CILEA SEGRATE MI, 20090 Italy | MLC | Active | |
| CY@ | Public | COMUNE DI NOVELLARA, BIBLIOTECA NOVELLARA, 42017 Italy | Europe & Africa | Active | |
| D2C | Academic | FACOLTA DI ECONOMIA E COMMERICO FLORENCE, 50123 Italy | Europe & Africa | Active | |
| DT# | Academic | S.I.B.A - UNIVERSITA DE LECCE LECCE, 73100 Italy | Europe & Africa | Active | |
| E4O | Association/Foundation | OSSERVATORIO EPIDEMIOLOGICO REG LAZIO ROME, 00198 Italy | Europe & Africa | Inactive | |
| E7A | Other | ACCADEMIA DELLA CRUSCA VILLA MED DI CAST FIRENZE, 50141 Italy | Europe & Africa | Active | |
| ERV | Association/Foundation | BIBLIOTECA APOSTOLICA VATICANA VATICAN CITY, 00120 Italy | Europe & Africa | Active | VatBA |
| ESBRB | Other | E S BURIONI RICERCHE BIBLIOGRAFICHE GENOVA, 16136 Italy | Europe & Africa | Active | |
| ESBUR | Other | E S BURIONI GENOVA, 16136 Italy | Europe & Africa | Active | |
| F2G | Academic | FACOLTA DI INGEGNERIA, GENOVA GENOVA, 16145 Italy | Europe & Africa | Inactive | |
| FBD | Corporate/Business | FABRICA CENTRO DI DOCUMENTAZIONE FIRENZE, 50129 Italy | Europe & Africa | Inactive | |
| FDT | Academic | CENTRO DI FIRENZE, 50125 Italy | Europe & Africa | Active | |
| FIB | Academic | UNIV DEGLI STUDI DI FIRENZE, ECONOMIA FIRENZE, 50123 Italy | Europe & Africa | Inactive | |
| FIE | Academic | ISTITUTO UNIV EUROPEO FIRENZE, 50016 Italy | Europe & Africa | Active | |
| FIZ | Corporate/Business | INFOLINE FLORENCE, 50144 Italy | Europe & Africa | Inactive | |
| FKT | Public | ISTITUTO E MUSEO DI STORIA DELLA SCI FIRENZE, 50129 Italy | Europe & Africa | Active | |
| FNS | Other | FONDAZIONE ALASCA BERGAMO, 20024 Italy | Europe & Africa | Active | |
| FQP | Academic | FACOLTA DI SCI POLITICHE GENOVA, 16124 Italy | Europe & Africa | Inactive | |
| FUN | Federal/National Govt | FOOD & AGR ORGANIZATION, UNITED NATIONS ROME, 00100 Italy | Europe & Africa | Active | |
| FVB | Academic | DIPARTIMENTO INTERATENEO DI FISICA Bari, Italy | Europe & Africa | Inactive | |
| FZH | Other | FONDAZIONE LONGHI FIRENZE, 50125 Italy | Europe & Africa | Active | |
| FZN | Academic | UNIV DELGI STUDI DI FIRENZE FIRENZE, 50121 Italy | Europe & Africa | Active | |
| G2V | Academic | FACOLTA DI MAGISTERO DI GENOVA GENOVA, 16137 Italy | Europe & Africa | Inactive | |
| GEF | Academic | ACCADEMIA DEL GEORGOFILI FIRENZE, 50129 Italy | Europe & Africa | Inactive | |
| GFF | Academic | FACOLTA OF FARMACIA OF GENOVA GENOVA, 16132 Italy | Europe & Africa | Inactive | |
| GFX | Academic | FACOLTA OF FISICA OF GENOVA GENOVA, 16146 Italy | Europe & Africa | Inactive | |
| GSQ | Other | GABINETTO SCIENTIFICO LETTERARIO FIRENZE, Italy | Europe & Africa | Inactive | |
| I@D | Other | INTERNATIONAL FUND FOR AGR DEVELOP, IFAD ROMA, 00142 Italy | Europe & Africa | Active | |
| I2$ | Association/Foundation | CENTRE INT DE FORMATION DE L'OIT TORINO, I10127 Italy | CAPCON | Active | |
| I27 | Federal/National Govt | BUREAU DE CORRESPONDANCE DU BIT A ROME ROMA, I00184 Italy | CAPCON | Active | |
| I4O | Academic | ISTITUTO UNIV ORIENTALE OF NAPLES NAPLES, Italy | Europe & Africa | Active | |
| I7D | Federal/National Govt | BIBLIOTECA CAMERA DEI DEPUTATI ROMA, 00176 Italy | Europe & Africa | Active | |
| I8B | Academic | UNIV DI BOLOGNA DIPARTIMENTO POLITICA BOLOGNA, 40125 Italy | Europe & Africa | Active | |
| I8I | Academic | UNIV DI BOLOGNA, FACOLTA DI INGEGNERIA BOLOGNA, 40136 Italy | Europe & Africa | Inactive |