shipper-n; 2 Senses

Sense Number 1: a person who runs a goods transport business

Commentary: SHIPPER[+person][+business][+transporter][+goods]
NOTE: refers to a person, an individual, -not- an organization

To be a shipper for that company you must be able to left 60 pounds.
Many of his shippers don't speak much English.

WordNet 3.0 Sense Numbers: 1

Sense Number 2: a business enterprise that transports goods

Commentary: SHIPPER[+enterprise][+business][+transporter][+goods]
NOTE: refers to a business, not a person.

The government has classified these companies as trusted shippers.
Their firm is a shipper of medical supplies and instruments.

WordNet 3.0 Sense Numbers: 2