Below you can find logos, similar to the Halo Data Devices 30.

Dainese 30 Dainese 30 vector
Sachs 30 Sachs 30 vector
Maxtor 300 Maxtor 300 vector
Red Bull Junior Team F3000 Red Bull Junior Team F3000 vector
Gallina Blanca 30 Gallina Blanca 30 vector
Telefonica Data 83 Telefonica Data 83 vector
Alpine 302 Alpine 302 vector
XJR1300 XJR1300 vector
FKI 130 FKI 130 vector
Ergodata Ergodata vector
LanData distribution LanData distribution  vector
Australian Institute of Sport 307 Australian Institute of Sport 307 vector
30 ton 24 30 ton 24 vector
Database Design Solutions Database Design Solutions vector
ANALOG DEVICES ANALOG DEVICES vector