Below you can find logos, similar to the A4 Tech.

G+H Fassadentechnik G+H Fassadentechnik vector
Teplotechna Dis Teplotechna Dis vector
WPI Industrial Technology WPI Industrial Technology vector
SF Tech SF Tech vector
SmartDoc Technology SmartDoc Technology vector
Technology By IDATECH Technology By IDATECH vector
DB technologies DB technologies vector
Agratech Agratech vector
Injen Technology Injen Technology vector
Rau Agrotechnic Rau Agrotechnic vector
ON Technology 187 ON Technology 187 vector
VTech 97 VTech 97 vector
TFT technology TFT technology vector
OpenNetwork Technologies OpenNetwork Technologies vector
Aviation Week & Space Technology Aviation Week & Space Technology vector