Firma Q - Trondheim
- Quiltegården
- Qvingra AS
- Qsub AS
- Qian
- Quadratum eiendom AS
- Q-Thera AS
- Qureshi Qixuras
- Quartett Eiendom AS
- Qrrnt Holding AS
- Quale consulting
- Quattro invest AS
- Qingbo Yang
- Quality Care AS
- Qgis Norge
- Quizmaster Mong
- Q-free ASA
- Qurant Ekspressbud
- Qi Xinge
- Qodki Harbi
- Quartett fritid AS
- Quartett Bolig AS
- Q Holding AS
- Q-Tagg R&D AS
- Quality hotel Augustin
- Quality Hotel Augustin AS
- Quad Geometrics Norway AS
- Quarnstrom & Vang AS
- QP Midt-Norge
- Q-free International AS
- Q-free Norge AS
- Quiz med Oss Elisabeth Strand Vigtel