 | KMK ENTREPRENØR AS | 917316783 | LILLESTRØM |
| KM PROFF BYGG AS | 927988798 | SENJA |
| KMS ARKITEKTER AS | 938984263 | HORTEN |
| KM VENTILASJON AS | 933098427 | BERGEN |
| KNAPPEN SJØ AS | 882104192 | ØYGARDEN |
| KNEM OG NÆSVIK AS | 982409829 | OSLO |
| KN ENTREPRENØR AS | 990944377 | HITRA |
| KN MASKIN AS | 990311684 | LØDINGEN |
| KNOPH VVS & GASSTEKNIKK AS | 984305451 | SOLA |
| K. NORDANG AS | 936574696 | STRANDA |
| KNU BYGG OG RENOVERING AS | 824461732 | BÆRUM |
| KNUDSENS TØMRERSERVICE AS | 928037622 | BERGEN |
| KNUT AARUM AS | 839093322 | INDRE ØSTFOLD |
| KNUT BJERKE AS | 910611879 | VÅLER (ØSTFOLD) |
| KNUT EINAR HELGELAND | 982850657 | LARVIK |
| KNUT ERIK GJERDE | 969080303 | VINDAFJORD |
| KNUT EVEN RØNNING | 969992191 | MOLDE |
| KNUT FARESTVEIT RØR & SVEIS | 967865249 | MODALEN |
| KNUT HANSEN TRANSPORT AS | 930833932 | BALSFJORD |
| KNUT HELGESEN & SØNNER AS | 992131659 | MOSS |
| KNUT HENRIKSEN AS | 932615509 | RÅDE |
| KNUT IVAR BERRE | 974455463 | NAMSOS |
| KNUT IVAR MORK AS | 917084181 | MOLDE |
| KNUT KNUTSEN AS | 863786592 | BERGEN |
| KNUT KVAMMEN | 983996752 | SUNNFJORD |
| KNUT LANGAAS AS | 990027684 | HORTEN |
| KNUT LIE AS | 919396377 | OSLO |
| KNUT LUND RØRLEGGERBEDRIFT AS | 977101522 | LOM |
| KNUT MALMBERG AS | 935504317 | GJØVIK |
| KNUT MELBY AS | 989016873 | ØYSTRE SLIDRE |
| KNUT NESSET | 975989550 | BALSFJORD |
| KNUT RASMUSSEN BYGGSERVICE | 887050902 | FREDRIKSTAD |
| KNUT ROAR JENSEN | 880668382 | ORKLAND |
| KNUTSEN BYGG AS | 986432590 | LUNNER |
| KNUTSEN BYGG OG EIENDOM AS | 912477401 | STAVANGER |
| KNUTSEN ODD GUNNAR | 970436553 | TØNSBERG |
| KNUTSHAUG VVS AS | 919719478 | TRONDHEIM |
| KNUT SØBY AS | 928357023 | TØNSBERG |
| KNUT SØRHAUG MASKINSTASJON | 925954616 | AURSKOG-HØLAND |
| KNUT ULLERN AS | 918338926 | SØR-ODAL |
| KOBE SERVICE AS | 923307346 | TRONDHEIM |
| KODA ARKITEKTER AS | 989679392 | FROGN |
| KOG ANLEGG AS | 915871399 | VÅGÅ |
| KOLÅS EFTF AS | 837576652 | HALDEN |
| KOLBJØRN NILSSKOG AS | 974443821 | VEFSN |
| KOLBJØRN OLSEN AS | 941578861 | MÅLSELV |
| KOLLEN BYGG AS | 915783694 | ÅS |
| KOLNES MASKIN AS | 981108094 | RANDABERG |
| KOLSÅS RØR AS | 895698032 | BÆRUM |
| KOLSTAD MESTERBYGG AS | 992220597 | FREDRIKSTAD |