Kiwi Aviation 
4K
LJO (RIGHT), EVG (LEFT)
Not an airline; likely flight school
PA28 (right), DA20 (left)
CHC/NZCH
Piper (right), Diamond (left) PA-28 Cherokee (right), DA20 Katana (left)
Piper PA-28 Cherokee and Diamond DA20 Katana parked on the grass at a GA airfield, classic trainers used by flight schools worldwide.