[wavefunction]

It costs a meaningless amount for a company of this size. Perhaps the anonymity is more valuable though.

[Houshalter]

It's not really valuable, most companies want to get their names out there.

[ErikHuisman]

They are wholesalers. They don't want to compete with the brands of their customers. The unmarked trucks drive business.

[epc]

Also makes it more difficult for the competition and market analysts to gauge the company's activities.