Autoridades
| ID | Nombre | Nº documentos | Desde año | Hasta año |
|---|---|---|---|---|
| 14473 | Pedro De Echegaray | 1 | 1680 | 1680 |
| 14470 | Pedro De Endara | 1 | 1594 | 1594 |
| 14766 | Pedro Irisarri | 2 | 1610 | 1643 |
| 15179 | Pedro Lasaga | 1 | 1967 | 1967 |
| 15113 | Pedro Oyarzabal | 1 | 1913 | 1913 |
| 14696 | Peñasaya S.A. | 1 | 0 | 0 |
| 14623 | Petricho Jorajuría | 1 | 1547 | 1547 |
| 14754 | Piscifactoría Del Bidasoa | 1 | 1934 | 1934 |
| 13688 | Prefabricados Bidaxka | 1 | 1973 | 1973 |
| 14389 | Prosperidad Española | 1 | 1891 | 1891 |
| 30932 | Rafael Larraz | 1 | 1925 | 1925 |
| 14755 | Ramón Arocena | 1 | 1943 | 1943 |
| 14581 | Ramón Echeverría | 1 | 1892 | 1892 |
| 14505 | Ramón Iturria | 1 | 1797 | 1797 |
| 13068 | Ramón Larralde | 1 | 1832 | 1832 |
| 14771 | Ramón Marichalar | 1 | 1621 | 1621 |
| 14604 | Ramón Ochotorena | 1 | 1932 | 1932 |
| 14661 | Ramona Echegoyen | 1 | 1889 | 1889 |
| 14860 | Real Corte | 1 | 1782 | 1782 |
| 26457 | Ricardo Olaetxea Ubiria | 1 | 1970 | 1970 |
| 14605 | Rufino Ochotorena | 5 | 1932 | 1934 |
| 14740 | Salvador Beltrán | 1 | 1876 | 1876 |
| 14407 | Salvador Iturria | 1 | 1958 | 1958 |
| 14650 | Salvador Laurencena | 1 | 1826 | 1826 |
| 14499 | Santiago De Tapia | 1 | 1790 | 1790 |
| 14602 | Saturnina Larregui | 1 | 1928 | 1928 |
| 30997 | Saturnino Carrión Sampaul | 1 | 1880 | 1880 |
| 27767 | Sebastián Boloqui | 1 | 1811 | 1811 |
| 14681 | Serafín Olarregui | 1 | 1904 | 1904 |
| 14655 | Simona Goya | 2 | 1861 | 1861 |
| 14810 | Sociedad Minas De Irún Y Lesaka Y J.C. De Bidasoa | 1 | 1904 | 1904 |
| 14688 | Tapia Echarte | 1 | 1947 | 1947 |
| 27502 | Telletxea anaiak | 1 | 1796 | 1796 |
| 14480 | Tomás De Apecechea | 1 | 1725 | 1725 |
| 14479 | Tomás De Eguiramendia | 1 | 1725 | 1725 |
| 14772 | Tomás Irisarri | 1 | 1626 | 1626 |
| 14862 | Tribunal Superior De Justicia | 1 | 1839 | 1839 |
| 14687 | Trinidad Urquiola | 1 | 1943 | 1943 |
| 14396 | Vicente Camón | 1 | 1893 | 1893 |
| 14726 | Visitación Oyarzun | 2 | 1938 | 1939 |
| 30577 | Viuda de Sarobe | 1 | 1973 | 1973 |