4. august 1950

4. august 1950: 2 companies

RICHSTONE CORPORATION,LTD. Registrikood: 058431-2 Juriidiline aadress: 901 BLEURY ST, SUITE 312, MONTREAL, QUEBEC, CANADA

LOCKWOOD GEOPHYSICS LIMITED Registrikood: 049811-4 Juriidiline aadress: 85 RICHMOND ST. WEST, SUITE 620, TORONTO, ONTARIO, CANADA, M5H2C9