Below you can find logos, similar to the O Train.

Training Training vector
Object Training Object Training vector
Trainworld Trainland Trainworld   Trainland vector
Training Directors' Forum 2003 Training Directors' Forum 2003 vector
The Smile Train The Smile Train vector
Way Train Way Train vector
Personal Trainer Personal Trainer vector
MIS Training Institute MIS Training Institute vector
Fiscameron Training & Consultancy Fiscameron Training & Consultancy vector
e-Trainer e-Trainer vector
e-Trainer technology e-Trainer technology vector
Hull Trains Hull Trains vector
Trainways Trainways vector
Powertrain 159 Powertrain 159 vector