Het hoofdstuk Gasinstallaties betreft het geheel van leveranties en werkzaamheden, nodig voor het in het werk brengen en bedrijfsgereed maken van toevoerleidingen en voorraadhouders voor gassen, met uitzondering van perslucht.

Naam Specialisatie Plaats
WECOSAN BVBA 50.00 51.00 52.00 53.00 54.00 54.a 55.00 56.00 57.00 60.00 60.12 61.00 61.12 62.00 62.12 68.00 55.00 60.00 61.00 62.00 43.22 ZELE
Wedy Techniek 55.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 43.22 Bunschoten-Spakenburg
Weghorst Installatie B.V. 00.OG 00.VC 02.e 02.i 02.j 14.00 14.00 14.40 15.40 26.00 33.33 33.34 33.36 33.37 33.54 33.52 33.61 33.62 33.63 33.72 33.a 50.00 51.00 52.00 53.00 54.31 54.70 54.b 55.12 55.13 55.00 55.51 56.00 57.00 60.13 60.31 60.33 60.41 60.42 60.51 60.52 60.60 60.71 60.81 60.00 60.12 61.13 61.32 61.41 61.42 61.43 61.51 61.52 61.60 61.81 61.00 61.12 62.13 62.31 62.41 62.71 62.81 68.00 70.31 70.32 70.33 70.34 70.35 70.41 70.43 70.51 70.53 70.71 70.81 70.00 70.87 75.45 75.46 75.00 75.51 78.00 75.a 55.00 60.00 61.00 70.00 00.HA IT 43.22 Borne
Wel Groep 05.h 78.00 61.13 52.13 68.00 68.31 68.32 68.33 68.34 68.41 68.51 68.52 78.11 78.12 78.31 78.41 78.51 78.61 78.81 78.75 60.13 62.13 70.13 52.12 51.12 50.12 55.12 60.12 61.12 62.12 Houten
Wemmers Installatiebedrijf B.V. 50.00 51.00 52.00 53.00 54.00 70.00 75.00 75.a 55.00 54.a 56.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 70.00 43.22 81.21 Bleskensgraaf
Wennekes Welding Support B.V. 50.00 51.00 52.00 53.00 54.00 55.00 56.00 57.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 Mill
Werkendamse Verwarmings Centrale B.V. 50.00 51.00 52.00 53.00 54.00 55.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 43.22 43.21 Werkendam
Werkendamse Verwarmings Industrie B.V. 55.00 60.00 61.00 68.00 55.00 60.00 61.00 43.22 Werkendam
Werktuigbouwkundig Installatiebedrijf J. Meijer B.V. 50.00 60.51 53.00 55.00 05.34 52.00 Arnhem
WERNER MAES BVBA 50.00 51.00 52.00 53.00 54.00 54.a 55.00 56.00 57.00 60.00 60.12 61.00 61.12 62.00 62.12 68.00 55.00 60.00 61.00 62.00 60.10 60.50 61.10 62.10 63.20 65.10 65.20 65.50 68.00 77.10 77.20 77.30 77.40 77.50 43.22 6 T6.61 6 T6.62 6 T6.63 6 T6.65 35.10 SINT-NIKLAAS
Wesley Keeris Beheer B.V. 50.00 51.00 52.00 53.00 54.00 55.00 70.33 43.22 Geldrop
Wesselink Buunk B.V. 60.00 55.00 50.00 14.00 51.00 Enschede
Westerdijk B.V. 70.00 33.33 55.00 50.00 51.00 52.00 53.00 54.00 60.00 61.00 43.22 43.21 Delfzijl
Westerveld Installatietechniek B.V. 50.00 51.00 52.00 53.00 54.00 54.a 55.00 56.00 60.00 61.00 62.00 33.62 33.61 55.00 60.00 61.00 62.00 43.22 Bergeijk
Westfalen 02.80 55.40 46.85 Aalst
Westfalen Gassen Nederland B.V. 46.62 46.85 55.00 Deventer
Westland Infra Netbeheer B.V. 55.00 70.00 55.00 70.00 Poeldijk
Weststrate Loodgieters Lisse 33.33 50.00 60.00 52.00 55.00 51.00 33.34 33.54 55.00 60.00 43.22 Lisse
WEVERBERGH RUDI NV 50.00 51.00 52.00 53.00 54.00 54.a 55.00 56.00 57.00 60.00 60.12 61.00 61.12 62.00 62.12 68.00 55.00 60.00 61.00 62.00 43.22 60.00 PEPINGEN
Wibona /AKST BV 61.00 55.00 26.00 55.00 61.00 43.32 Zwanenburg
Wigersma & Sikkema 02.c 55.00 55.00 057 68.32 75.46 Doesburg
Wijco Technics B.V. 50.00 51.00 52.00 53.00 54.00 56.00 60.00 62.00 68.00 61.00 61.12 60.12 55.00 62.12 70.00 70.31 70.32 70.33 70.34 70.35 70.41 70.43 70.51 70.53 70.81 70.87 75.00 75.45 75.46 75.51 78.00 75.a 55.00 60.00 61.00 62.00 70.00 43.22 7575 BM
Wijnen Installatietechniek BV 70.00 50.00 51.00 52.00 53.00 54.00 54.a 54.31 54.70 54.b 55.00 55.12 55.13 55.51 56.00 57.00 60.00 60.13 60.31 60.33 60.41 60.42 60.51 60.52 60.60 60.12 61.00 61.13 61.32 61.41 61.42 61.43 61.51 61.52 61.60 61.81 61.12 62.00 62.12 62.13 62.31 62.33 62.41 62.42 62.51 62.60 62.71 62.81 68.00 55.00 60.00 61.00 62.00 70.00 60.32 61.33 62.32 62.52 62.74 43.22 43.21 56 Eindhoven
Wika Benelux 52.00 55.00 54.00 54.a 56.00 70.00 55.00 70.00 Echt
Wildkamp Aalten B.V. 02.c 02.a 02.e 02.j 05.61 12.00 12.81 14.00 14.32 14.33 14.38 14.40 14.51 14.52 14.53 14.54 14.60 14.61 14.81 16.81 17.00 17.00 17.10 17.12 17.20 17.23 17.50 17.60 17.61 17.70 17.71 17.72 17.73 17.74 17.75 25.12 25.13 25.16 27 31.33.b 34 38.00 38.10 38.20 38.21 38.30 38.31 38.40 38.41 38.50 38.52 47.20 47.31.a 50.00 50.11 50.12 50.31 50.41 50.42 50.48 50.50 50.51 50.60 50.62 51.00 51.10 51.11 51.30 51.31 51.32 51.38 51.41 51.42 51.43 51.50 51.61 51.62 51.63 51.64 52 52.00 52.1 52.10 52.11 52.11 52.12 52.12 52.13 52.16 52.19 52.2 52.20 52.21 52.22 52.23 52.24 52.26 52.3 52.30 52.31 52.31 52.32 52.32 52.33 52.36 52.38 52.4 52.40 52.40 52.41 52.46 52.5 52.50 52.51 52.52 52.56 52.61 52.62 52.63 53.12 53.14 53.16 53.19 53.31 53.34 53.36 53.39 53.5 55.31 55.32 55.33 55.38 55.51 55.52 55.53 60.31 60.32 60.33 60.34 60.35 60.38 60.71 60.72 60.73 60.74 63 70.78 70.81 70.82 72.00 72.10 72.11 72.12 72.20 72.21 72.22 72.40 72.51 72.52 72.53 72.54 72.55 72.60 91.00 91.01 GH.01 GH.03 Aalten