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
Iso-Techniek Boomen B.V. 55.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 61.32 57.7 Landgraaf
ISOPROC 02.a 02.b 02.c 24.52.a 24.52.d 55.13 56.00 61.13 00.AB 00.BA 04.30 05.22 05.21 43.29 2 T2.24 4 T4.43 4 T4.44 4 T4.46 5 T5 .53 05.00 05.10 04.00 30.10 35.10 51.11 50.00 50.10 50.20 43.10 43.20 52.50 05.20 31.31 52.30 04.20 Mechelen (Hombeek)
ISOPUR 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 61.10 63.00 68.00 62.10 43.22 6 T6.61 6 T6.62 6 T6.65 60.00 65.00 Melden (Oudenaarde)
Istecmontage B.V. 55.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 43.22 Schoondijke
ITBB B.V. 70.00 70.00 51.00 52.00 53.00 54.00 55.00 56.00 60.00 61.00 62.00 68.00 75.00 78.00 Groningen
ITN Installatietechniek B.V. 53.00 54.00 56.00 57.00 68.00 75.00 78.00 54.a 75.a 91.00 55.00 61.00 62.00 70.00 54.70 50.00 51.00 52.00 54.31 54.00 54.b 55.12 55.13 55.00 55.51 60.00 60.12 60.13 60.31 60.33 60.41 60.42 60.51 60.52 60.60 60.71 60.00 60.81 61.12 61.13 61.32 61.41 61.42 61.43 61.51 61.52 61.60 61.00 61.81 62.12 62.13 62.31 62.33 62.41 62.42 62.51 62.60 62.71 62.00 62.81 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 80.00 43.21 43.22 Ede
ITW Industry B.V 55.00 55.00 Mijdrecht
IVERKO 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 60.20 60.30 60.40 60.50 60.60 60.70 61.10 61.20 61.30 61.40 61.50 61.61 61.62 61.63 61.64 61.70 61.80 62.10 62.20 62.30 62.40 62.50 62.60 62.70 63.00 63.10 63.20 63.30 63.40 63.50 63.60 63.70 65.10 65.20 65.30 65.40 65.50 65.60 68.00 68.02 68.10 68.20 68.30 68.40 68.50 68.60 43.22 6 T6.61 6 T6.62 6 T6.63 6 T6.65 PULDERBOS
IVV Technieken 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 65.50 68.00 60.10 60.50 61.10 62.10 63.20 65.10 65.20 63.00 60.20 60.30 60.40 60.60 60.70 61.20 61.30 61.40 61.50 61.61 61.62 61.63 61.64 61.70 61.80 62.20 62.30 62.40 62.50 62.70 62.60 63.10 63.30 63.40 63.50 63.60 63.70 64.00 64.10 64.20 64.30 64.40 65.30 65.40 65.60 67.10 67.20 67.30 68.02 68.10 68.20 68.50 68.60 69.11 69.12 69.13 68.30 68.40 66.13 43.22 6 T6.61 6 T6.62 6 T6.63 6 T6.65 6 T6.66 60.00 65.00 61.00 62.00 66.00 66.10 66.11 66.12 66.14 66.15 66.16 67.00 67.11 68.01 60.11 60.12 60.13 60.21 60.22 60.23 60.31 60.32 60.33 60.34 60.41 60.43 60.44 60.42 60.51 60.52 60.53 60.54 60.55 60.56 60.61 60.62 60.63 60.71 60 60.72 61.11 61.12 61.21 61.22 61.31 61.32 61.41 61.42 61.51 61.52 61.53 61.60 61.71 61.72 61 61.81 62.11 62.21 62.22 62.31 62.32 62.41 62.42 62.51 62.52 62.53 62.61 62.62 62.63 62.71 62.72 62 62.73 63.11 63.12 63.31 63.32 63.33 63.42 63.41 63.51 63.52 63.53 63.54 63.55 63.56 63.71 63 63.72 64.11 64.12 64.13 64.14 64.21 64 64.22 65.01 65.02 65.11 65.12 65.21 65.31 65.32 65.33 65.34 65.35 65.41 65.42 65.43 65.44 65.45 65.46 65.47 65.51 65.52 65.53 65.61 65.62 65.63 65.64 65.65 65 65.66 67.12 67.13 67.14 67.21 67.22 67.31 67.32 67.33 67.34 67.35 67.36 67.40 67 67.50 68.11 68.12 68.13 68.14 68.15 68.21 68.22 68.23 68.24 68.25 68.26 68.27 68.28 68.31 68.32 68.41 68.42 68.43 68.52 68.51 68.62 68.61 68.63 68 68.64 69.00 69.10 69.20 69.21 GENK
Iwan Caalders Installaties 55.00 60.00 53.00 50.00 51.00 52.00 61.00 43.22 Roggel
J. Bremer en Zn. B.V. 50.00 51.00 52.00 53.00 54.00 55.00 60.00 61.00 62.00 68.00 70.00 75.00 55.00 60.00 61.00 62.00 70.00 43.21 43.22 Buitenpost
J. Hoogeveen en Co. B.V. 02.a 55.00 52.00 55.00 Den Haag
J. Jansen B.V. 61.00 62.00 60.00 60.51 70.33 14.00 14.33 14.40 33.00 33.21 33.25 33.28 33.32 33.34 33.35 47.31.a 50.00 50.25 50.26 50.31 50.21 50.28 50.42 50.32 50.41 51.00 51.41 51.50 51.42 51.43 51.32 51.38 51.61 51.62 51.63 51.64 52.00 52.20 52.31 52.32 52.33 52.38 52.40 52.51 52.52 52.61 52.62 52.63 53.00 53.21 53.30 53.31 53.32 53.33 53.34 53.60 53.70 53.80 55.00 55.20 55.31 55.32 55.33 55.38 55.51 55.52 55.53 56.00 56.20 56.31 56.32 56.33 56.38 56.51 56.52 56.53 60.21 60.26 60.27 60.28 60.31 60.32 60.33 60.34 60.35 60.38 60.41 60.42 60.53 60.52 60.71 60.72 60.73 60.74 60.83 61.20 61.32 61.33 61.36 61.38 61.41 61.42 61.43 61.51 61.52 61.60 61.83 62.20 62.31 62.32 62.33 62.38 62.41 62.42 62.51 62.52 62.71 62.72 62.74 62.73 68.00 68.20 68.31 68.32 68.33 68.34 68.41 68.51 68.52 70.00 70.20 70.21 70.26 70.32 70.34 70.36 70.38 70.43 70.52 70.53 70.54 70.55 70.62 70.63 70.64 70.65 70.72 70.74 70.75 70.78 70.81 70.82 70.83 70.84 70.85 75.00 75.20 75.31 75.32 75.33 75.37 75.45 75.46 75.52 75.53 75.61 75.62 75.65 75.71 75.72 75.73 75.81 75.82 78.31 78.00 78.41 78.51 78.61 78.75 78.81 Gilze
J. Jansen Installatie Techniek B.V. 51.00 52.00 53.00 54.00 55.00 56.00 57.00 60.00 61.00 62.00 68.00 70.00 75.00 78.00 54.a 50.00 55.00 60.00 61.00 62.00 70.00 43.22 60.51 Ootmarsum
J. van den Burg B.V. 52.00 68.00 56.00 57.00 54.a 55.00 60.00 61.00 62.00 43.22 Lisse
J. VANDER STOCK 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 43.22 6 T6.61 6 T6.62 6 T6.63 6 T6.65 BRUGGE
J. Woldhuis 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 Zuid-Scharwoude
J.C. ENTREPRISES SA 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 LIÈGE
J.C. Techniek 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 68.00 68.02 68.10 68.20 68.30 68.40 68.50 68.60 6 T6.61 6 T6.62 6 T6.63 6 T6.65 ANZEGEM
J.E. van Tongeren jr. 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 Apeldoorn
J.G.M. Kenkhuis Holding B.V. 50.00 51.00 52.00 53.00 54.31 54.70 54.b 54.00 54.a 55.00 55.12 55.13 55.00 55.51 56.00 57.00 60.00 60.13 60.31 60.33 60.41 60.42 60.51 60.52 60.60 60.71 60.00 60.81 60.12 61.00 61.13 61.32 61.41 61.42 61.43 61.51 61.52 61.60 61.81 61.00 61.12 62.00 62.12 62.13 62.31 62.33 62.41 62.42 62.51 62.60 62.71 62.00 62.81 68.00 70.00 70.31 70.32 70.33 70.34 70.35 70.43 70.51 70.41 70.53 70.71 70.81 70.00 70.87 75.45 75.46 75.00 75.51 78.00 75.a Delden
J.M. van der Hoeven B.V. 55.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 's-Gravenzande
J.V.L. Installaties V.O.F. 50.00 51.00 52.00 53.00 55.00 60.00 61.00 62.00 70.00 75.00 55.00 60.00 61.00 62.00 70.00 43.22 Schoonhoven
J&J Techniek B.V. 55.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 43.22 60.51 Almelo
JACOBS VERWARMING 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 60.00 61.00 62.00 63.00 64.00 65.00 66.00 67.00 69.00 TIELT-WINGE