Bedrift X - Trondheim
- Xeris AS
- Xydia
- Xperitech AS
- Xangeli AS
- Xcompany AS
- Xcom14data
- Xlent Trondheim AS
- Xh Malerservice AS
- Xon Consulting AS
- Xact Dancecrew
- Xelor Invest AS
- Xindi Cao
- Xcom Datateknologi
- Xcom Datateknologi
- Xphage Biosolutions AS
- Xcom Kommunikasjonsteknologi
- Xvolution4 Consulting AS
- X-Invest AS
- Xantia Holding AS
- X Mc
- Xue Legetjeneste
- Xera Invest AS
- Xr Norge
- Xr Norge
- Xanthidis Marios
- Xcom Komtek
- Xcom Kommunikasjonsteknologi
- XL Prosjekt Winiarski
- Xio Sustainability Analytics AS
- XXL Trondheim Lade
- Xtreme Shop Trondheim
- Xerox Partner Trondheim
- X Yachts Charter AS
- Xuwenwang Xuwen Wang
- X-partner Trondheim AS
- X-Trans Solheim Harald
- Xylem Water Solutions Avd. Trondheim
- Xylem Water Solutions Avd. Trondheim
- Xin Office Xin Gao
- Xbit Design Jan Anders Mathisen