Holland Boat

Suderseln 1719, 8711 GX, Workum, 0514 562 763

Holland Boat

Suderseln 17, 8711 GX, Workum, 0515 542 361

Hooghiemstra

Noard 104, 8711 AK, Workum, 0515 540 171

Hooghiemstra Jachtservice

Algeraburren 29, 8711 BR, Workum, 0515 543 256

Horsa

Kampwei 3, 8711 HN, Workum, 0515 543 265

Isn

Trekwei 7, 8711 GR, Workum, 0515 543 434

Isn Technische Informatisering

Trekwei 7, 8711 GR, Workum, 0515 543 434

It Soal

Suderseln 25, 8711 GX, Workum, 0515 541 222

It Soal, Jachthaven

Suderseln 23-25, 8711 GX, Workum, 0515 542 937

Ivo De Boer

Kalkwurk 1, 8711 KA, Workum, 0515 541 280

J.J. Boekema

Yttingwei 2, 8711 JH, Workum, 0515 542 526

Jachtservice Heida Vof

Eniggaburren 23, 8711 HP, Workum, 0515 542 422

Jansen, A

Eniggaburren 21, 8711 HP, Workum, 0515 542 737

Jellesma Bv Workum

Prystershoek 8a, 8711 HA, Workum, 0515 541 460

Jong Bv, De

Eniggaburen 17, 8711 HP, Workum, 0515 543 324

Jong, E C De

Noard 9, 8711 AA, Workum, 0515 541 505

Jonker, W

Trekwei 104, 8711 GS, Workum, 0515 541 220

Jopie Huisman Museum

Noard 6, 8711, Workum, 0515 543 131

Jopie's Hûskeamer

Noard 13, 8711 AA, Workum, 0515 541 616

Julius

Doltewal 1, 8711 AX, Workum, 0515 543 820

Kompas Bv

Reidikkers 2, 8711 DM, Workum, 0515 540 992

Kort

Noard 200, 8711 AM, Workum, 0515 543 695

Kota Radja

Noard 151, 8711, Workum, 0515 541 881

Krant Friso Workumer

Spoardyk 56, 8711 CK, Workum