NTS ASA, formerly Namsos Trafikkselskap, is a public transport company in Trøndelag, Norway.

No single owner is allowed to vote representing more than 0,5% at the annual meeting.

NTS operated local and school bus services in Nærøy Municipality until 2008, when operations were sold to TrønderBilene.

The company operates seven ships on contract with the Nord-Trøndelag County as part of the public transport in Namdalen.

Through the subsidiaries Namdalske AS and Holm Transport AS NTS operates 36 trucks.