Company name

Order of adoption (early ← → late)

A

No record; can’t answer (now ongoing: 1, 2, 3, 4, 5, 6, 7)

B

All of them started at once 18 years ago (now ongoing: 1, 2, 5, 6, 7)

C

7→4→6→1→5→2→3→8

D

1→5→6→8

E

All of them started at once 20 years ago (now ongoing: 1, 2, 5, 6, 7)

F

1→2→3→5→4→6

G

1→6→6

H

1→6→2→7→5

I

1→6→5→7

J

1→5→6→2

K

1→2→6→4→5→3

L

1→2→6→5

M

2→3→4→5→6→1→7→8

N

1→2→5→6→8