Berkhout Shipping is een toonaangevend scheepvaartbedrijf, actief op het gebied van o.a.

Sleepdienst en Handelsonderneming Groenen specializes in the transportation of indivisible objects over the water.

SVITZER Amsterdam B.V. provides towage and salvage services at sea and in port areas.

Coöperatieve Vereniging van Vletterlieden provides assistance with the mooring, idling and unmooring of vessels in and around the seaport of IJmuid

PK Waterbouw V.O.F. specializes on complex hydraulic engineering projects.

Wed. K. Brouwer Verhuur B.V. operates a tug service and rents out a variety of vessels.