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| MARTIN RØNNING AS | 985868506 | ASKER |
| MARTINSEN ANLEGG AS | 911736489 | NORD-AURDAL |
| MARTINSEN BAD & BOLIG AS | 918327967 | OSLO |
| MARTINSEN BETONG AS | 898197832 | MELHUS |
| MARTINSEN BYGG (GM) AS | 930790923 | ASKER |
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| MASKIN & EIENDOM AS | 912174115 | TROMSØ |
| MASKINENTREPRENØR EGIL ÅSTAD AS | 834715112 | EIDSVOLL |
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| MASKIN OG UTEMILJØ AS | 987902817 | INDRE ØSTFOLD |
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| MA TEK AS | 879582512 | SØR-VARANGER |
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