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| PLAN ARKITEKTER AS | 976729153 | TRONDHEIM |
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| PLANFORUM ARKITEKTER AS | 974373483 | BÆRUM |
| PLANHUSET AS | 992401222 | DRANGEDAL |
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| PLOT ARKITEKTER AS | 995101904 | ÅLESUND |
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| PLUSS INVEST EIENDOM AS | 992023244 | FREDRIKSTAD |
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| PORTNOR BYGG AS | 912025136 | GJERDRUM |