| RINA: Inspection, Technical support and issuance of certificates for Radioinstallations to Ships under R.I.N.A. class |
| LlOYDS REGISTER (LRS): Inspection, Technical support and issuance of certificates for Radioinstallations to Ships under LlOYDS class |
| POLSKI (PRS): Inspection, Technical support and issuance of certificates for Radioinstallations to Ships under P.R.S. class |
| AMERICAN BUREAU OF SHIPPING (ABS): Inspection, Technical support and issuance of certificates for Radioinstallations to Ships under A.B.S. class |
| BUREAU VERITAS (BV): Inspection, Technical support and issuance of certificates for Radioinstallations to Ships under B.V. class |
| DET NORSKE VERITAS – GERMANISCHER LLOYD (DNV-GL): Inspection, Technical support and issuance of certificates for Radioinstallations to Ships under DNV and G.L. class |
| CLASS NK (NKK): Inspection, Technical support and issuance of certificates for Radioinstallations to Ships under N.K.K. class |
| RUSSIAN MARITIME REGISTER OF SHIPPING (RS): Inspection, Technical support and issuance of certificates for Radioinstallations to Ships under R.S. class |
| INTERNATIONAL NAVAL SURVEYS BUREAU (ΙNSB): Inspection, Technical support and issuance of certificates for Radioinstallations to Ships under IN.S.B. class |
| PHOENIX REGISTER OF SHIPPING (PH.R.S.): Inspection, Technical support and issuance of certificates for Radioinstallations to Ships under PH.R.S. class |
| CHINA CLASSIFICATION SOCIETY (CCS): Inspection, Technical support and issuance of certificates for Radioinstallations to Ships under CCS class |
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