20 Juni 1957

20 Juni 1957: 3 companies

PATHFINDER AIR SURVEYS LIMITED Kode pendaftaran: 056277-7 Alamat hukum: 3363 CARLING AVE, OTTAWA 14, ONTARIO, CANADA, K2H7V6

B & P HALL BROS. LIMITED Kode pendaftaran: 045051-1 Alamat hukum: 274 PARK STREET, BROWNSBURG, QUEBEC, CANADA, J0V1A0

J. G. KNOWLTON COMPANY LIMITED Kode pendaftaran: 048329-0 Alamat hukum: 190 COLONNADE ROAD SOUTH, NEPEAN, ONTARIO, CANADA, K2E7J5