noun
transport company; forwarding agency
A company that handles the transportation of goods, often including logistics and forwarding services.
この荷物は通運会社に配送を依頼しました。
We asked a transport company to deliver this package.
運送会社 is a more general term for a shipping or transport company, while 通運会社 often implies a company that also handles forwarding and logistics coordination.
Compound of 通運 (transport, forwarding) and 会社 (company). The exact historical derivation is uncertain, but the term is used in business contexts for freight and logistics firms.