One of the curses of modern sales operations is the time spent having to wander round a whole range of different suppliers to get different pieces of equipment.
The Internet can make it even worse as hundreds of different options come up. But one operation, started back in 1934, seems able to put everything together in one place and they are keen on pointing out that their 'crew' members will do everything to make it easier.
Daconet is based in Denmark and it is having a push at the moment on buoys -- JD massive deepwater floats. A note from Daconet says they are manufactured in copolymerised polypropylene for optimum strength and durability, they have been pre-tested at various depths for five days not just the usual 24 hours and they have been selling for five years to fishermen working in severe conditions both summer and winter. You will have to check its prices out of course, but when you see the list of other things it modestly forgot to tell us about you might be tempted to do a one stop shop.