Bedrift Z - Fredrikstad
- Zemantiq
- Zanos AS
- Zebastian
- Ztron AS
- Zena AS
- Zvonimir Bosnjak
- Zero-Visjon AS
- Zens Holding AS
- Zlatoslava Zeleniuk
- Zerizghi Transport.
- Zpartner Fredrikstad
- Zbigniew Kizewski
- Zanbili Holding AS
- Zwara Byggtjenester AS
- Zeneli Kosovare
- Zene Holding AS
- Zanatefilms Christian Aguilar
- Zen System AS Konkursbo
- Zen System AS Konkursbo
- Zaheer Bukhari Transport
- Zain Beauty Clinic Larsen
- Zero Precision Gaming Fredrikstad
- Zero Precision Gaming Fredrikstad
- Zen IT Guled Ibrahim Yusuf