Answer:
Service mark
Step-by-step explanation:
Service mark is the trademark that defines the service identifiable and distinguishes from the company competitors.
The service mark can be used in different forms like-word, image, icon or emblem used to advertise the business and differentiate from the competitors on the market so that people get to know about it plus company may gain the advantage over their competitors.
In the given scenario, the Trek Transport Company is distinct from its other trucking firm in services which reflect the service mark