Manufacturers of these EK2s

[Gibello]

Opcion 7

[Gibello]

Opcion 8

[Gibello]

Opcion 9

[Gibello]

Opcion 10

[Gibello]

Option 11

[Gibello]

Option 12

[Adrian]

So far I've got:

No6 - ?
No7 - S&L type
No8 - Brehmer
No9 - '23'
No10 - ?
No11 - S&L type
No12 - ?

If I get a bit of spare time this evening I'll look again.

[Gibello]

Ok, very, very thanks

[fabri]

I add a couple of names:
n. 6 is a Deumer
n. 10 is a Lauer

[Adrian]

I add a couple of names:
n. 6 is a Deumer
n. 10 is a Lauer

Good eye on the Lauer Fabri! Deumer was in the back of my mind for no6 but the apparent wavy top on the '3' in 1939 made me think twice posting before checking for sure.