Below you can find logos, similar to the GRUMMAN.

Grumman 89 Grumman 89 vector
Northrop Grumman Northrop Grumman vector
GRUMMAN GRUMMAN vector
Grumman Grumman vector
Northrop Grumman 72 Northrop Grumman 72 vector
Northrop Grumman 73 Northrop Grumman 73 vector
Grumman 2 Grumman 2 vector