HNZ Group Inc, now Canadian Helicopters Limited, operated 140 helicopters in support of multi-national companies and government agencies, including onshore and offshore oil & gas, mineral exploration, military support, hydro/utilities, forest... Wikipedia
Subsidiaries: Heli-Welders Canada Ltd., Phi Hnz Australia Pty. Ltd., and Acasta Heliflight Inc.
Founded: 1947
Source: S&P Global Market Intelligence