| Aarsleff Norge AS | 3830 | Ulefoss |
| A. Falkenberg Eftf. AS | 1377 | Billingstad |
| Alf I. Larsen AS | 4313 | Sandnes |
| Alumeco Norge AS | 2020 | Skedsmokorset |
| Arutech Parimad Aknad Oü | 75312 | Harjumaa |
| AS Metallteknikk | 4349 | Bryne |
| Astrup AS | 0915 | OSLO |
| AVK Norge AS | 3236 | Sandefjord |
| BADELEMENT A/S | 8700 | Horsens |
| Bladt Industries A/S | 9220 | Aalborg Øst |
| bondura® technology AS | 4340 | Bryne |
| Building Green | 1113 | København K |
| Burmeister AS | 2020 | Skedsmokorset |
| Busch Vakuumteknikk AS | 1448 | Drøbak |
| Bygganalyse | 0277 | Oslo |
| C. Christoffersen AS | 3735 | Skien |
| CBI Norge AS | 4340 | BRYNE |
| Ceetec A/S | 5580 | Nørre Aaby |
| Christian Berner AS | 0671 | Oslo |
| DMR Miljø og Geoteknikk AS | 0651 | Smedgata 32, Oslo |
| DP Filter AS | 5563 | Frakkagjerd |
| Duozink AS | 3160 | Stokke |
| Ecobeton International AS | 1266 | Oslo |
| EIVA-SAFEX AS | 3160 | STOKKE |
| Elma Instruments AS | 0977 | Oslo |
| Elteco AS | 3946 | Porsgrunn |
| Enter Kompetanse AS | 3048 | Drammen |
| Entreprenørfirmaet Østergaard A/S | 7100 | Vejle |
| Flexiform AS | 1614 | Fredrikstad |
| HR Maskin AS | 1890 | RAKKESTAD |
| Hydroscand AS | 2016 | Frogner |
| Hytorc Norge AS | 4033 | Stavanger |
| iBinder prosjekthotell | 1414 | Trollåsen |
| Inter-supply AS | 0283 | OSLO |
| Interkit AS | 2021 | Skedsmokorset |
| iTec AS | 3270 | LARVIK |
| ITW Construction Products ApS | 5500 | Middelfart |
| Jobb i Fokus | 0412 | Oslo |
| Jørn Glad A/S | 1538 | Moss |
| Kaeser Kompressorer AS | 1540 | Vestby |
| Kiwa Norge | 0580 | Oslo |
| Klingspor A/S | 6000 | Kolding |
| kNm Hydraulikk AS | 4050 | Sola |
| Kulelagerhuset AS | 3413 | LIER |
| LAMILUX Nordic A/S | 4800 | Nykøbing F |
| LAMILUX Norge AS | 0281 | Oslo |
| Lavenergisystemer AS | 1366 | Lysaker |
| Leica Geosystems AS | 0952 | OSLO |
| LEN NORTOOL AS | 0779 | Oslo |
| Maskingrossisternes Forening | 0255 | Oslo |
| Max Sievert AS | 0186 | OSLO |
| MT Nord Tag & Facader ApS | 9830 | Tårs |
| Nisjemetall AS | 3440 | RØYKEN |
| Noha Norway AS | 4353 | Klepp Stasjon |
| Norclean AS | 6419 | MOLDE |
| Nord-kran AS | 1481 | Hagan |
| Nordic Steel AS | 4353 | KLEPP STASJON |
| Nordiske Innholdsmarkedsføring | 9220 | Aalborg Ø |
| Nordiske Medier AS | 0667 | Oslo |
| Norsk Overflate Teknikk AS | 4365 | NÆRBØ |
| Norsk Stål AS | 1378 | Nesbru |
| Norske Backer AS | 2212 | Kongsvinger |
| NTT AS | 3732 | SKIEN |
| P. Meidell AS | 0975 | OSLO |
| Pajo-Bolte A/S | 9500 | Hobro |
| Pantronic AS | 1400 | SKI |
| Partner Vannrens AS | 4344 | Bryne |
| Phoenix Contact AS | 1081 | Oslo |
| Pretec AS | 1739 | Borgenhaugen |
| R. Riisfort A/S | 8220 | Brabrand |
| RMIG AS | 3160 | STOKKE |
| Schneider Electric Norge AS | 0607 | Oslo |
| Servi AS | 1423 | SKI |
| SNA Europe (Norway) AS | 1351 | Rud |
| SOOT PROSJEKT AS | 2230 | SKOTTERUD |
| Spirax Sarco AS | 2019 | Skedsmokorset |
| Stansefabrikken Fredrikstad AS | 1630 | GAMLE FREDRIKSTAD |
| Stena Stål Moss AS | 1521 | Moss |
| Sts - Surface Treatment Systems AS | 1081 | Oslo |
| Teijo Norge AS | 3412 | LIERSTRANDA |
| TI Industrier AS | 3516 | HØNEFOSS |
| Unit-Partner ApS | 8940 | Randers SV |
| Vibratec Akustikprodukter AS | 3196 | HORTEN |