- Jafnræði ehf.
254900D5KR0RLOCOJ565IcelandReykjavik
- Jafnvægi ehf.
64885NJ15BV540W4GC42IcelandKópavogur
- Jájájá ehf.
636700ZE6R6RZCW3L769IcelandReykjavík
- JAJ eignarhaldsfélag ehf
2549002JDBQ3OD3BL578IcelandKopavogur
- JAK2000 ehf.
984500B72EEE7E61FC79IcelandReykjavíkLapsed - not renewed
- Jakás Ehf.
254900EZ7IYHBP85PZ96IcelandReykjavik
- Jakobsson ehf.
254900ISYUW45MTRJR17IcelandReykjavik
- Jakob Valgeir ehf.
549300RTWEJJBISVE337IcelandBolungarvík
- Jamm ehf.
9845009CIE4E9EF6D875IcelandReykjavík
- Janus Einarsson ehf.
6488HE0033X40GQPT325IcelandVestmannaeyjar
- Jarðefnaiðnaður ehf. (JEI ehf.)
5493009K8GOXJM6JXV07IcelandÞorlákshöfn
- Jarðey ehf.
63670083AZI04GJPRM07IcelandReykjavík
- Járnabinding ehf.
63670073YYAXFJ9G1M60IcelandKópavogurLapsed - not renewed
- Járnavellir ehf.
6367008799V2ZL8EAB65IcelandHafnarfjörðurLapsed - not renewed
- Járnaverk ehf.
636700J83E91VWK0KQ64IcelandKópavogurLapsed - not renewed
- Járnsíða ehf.
984500K58762DE8DA346IcelandReykjavík
- JAS9 ehf.
636700EM9MQZE6O4LN09IcelandReykjavík
- Jaskur ehf.
984500BICA0D908CM512IcelandGarðabær
- Jasmine ehf
648826BJJ42JGGE47326IcelandGarðabærLapsed - not renewed
- Jasnik ehf.
254900XC6Y8SK4SUMK07IcelandReykjavik
- JB 09 ehf.
636700I4JQF8QG6FU435IcelandAkureyri
- J. Benediktsson ehf
636700NY10IEC9NE5752IcelandReykjanesbæLapsed - not renewed
- J. Bergs ehf.
6367006NRUON5PV8BV33IcelandReykjavík
- JB fjármál ehf.
984500C9422D424C7A63IcelandSeltjarnarnes
- J.B.G. eignir ehf.
549300DBHMEQCG10WR16IcelandEyrarbakki
- JBH Invest ehf.
6488573U9GLS123BCK45IcelandMosfellsbær
- JBS 210 ehf.
636700YA14B341OX4E36IcelandGarðabæ
- JBT Marel ehf.
5299008YTLEN09WTHW26IcelandGarðabær
- JD70 ehf.
636700NIB8CTN3RW6121IcelandEskifjörður
- JDD5 ehf.
984500F0AE5C3D75E221IcelandReykjavík
- Jebs ehf.
6488GRR1PMFJ42464520IcelandReykjavik
- Jeratún ehf.
9676006OS2L03ZTM6Z06IcelandGrundarfjörðurLapsed - not renewed
- Jewellery and Craft Collection ehf.
636700VD5FN7M53ENU39IcelandGarðabæ
- JF936
64883UBY3166PNZ55B20IcelandReykjavíkLapsed - not renewed
- JGR umboðs- og heildverslun ehf
254900LAYE5PCY3DSW84IcelandBorgarnes
- JHS-þjónusta ehf.
636700C3MFF433GIE003IcelandSelfoss
- Jin ehf.
6488994FS8MEBBT82006IcelandHafnarfjörður
- jj42 ehf.
64880L6R3FN27QQR7553IcelandReykjavíkLapsed - not renewed
- JJ pípulagnir ehf.
984500B0608950D9IR26IcelandKópavogurLapsed - not renewed
- JJ Rekstur ehf.
636700KPCV99MB2JGV92IcelandKópavogurLapsed - not renewed
- JL Reikningsskil ehf.
6488DQ1L8H13DW471T38IcelandGarðabær
- JMJ ráðgjöf ehf.
549300KR6GJDGQLCI757IcelandReykjavíkLapsed - not renewed
- JMV ehf.
636700WOML6YWO0I1I85IcelandReykjavíkLapsed - not renewed
- JNG hugbúnaður og ráðgjöf ehf
636700A700KXBEIXKQ65IcelandHafnarfirði
- JNP ehf.
64883H9AD720F72WYR52IcelandReykjavík
- Jóakim Aðalönd Holding ehf.
636700H1M2AZ32T1QS47IcelandReykjavík
- Joco ehf
6488VM74VKQ8D2Z03149IcelandReykjavík
- Jöfur ehf.
875500BE9NT1SYGZTC28IcelandReykjavikLapsed - not renewed
- Jöfursbás 7 ehf.
6367005WMMYQEOVBGQ48IcelandReykjavíkLapsed - not renewed
- Jóga Jói ehf.
6488B4WY2352BH59UP36IcelandReykjavíkLapsed - not renewed
- J og K ehf.
54930030ZOIQCPTQN421IcelandGrundarfjörður
- Jógu ehf.
636700HB2WDNYJ3K5R26IcelandSnæfellsbærLapsed - not renewed
- John Lindsay ehf.
636700J972MMVMRQGQ54IcelandReykjavík
- Johnson ehf.
6367001LXRKD9GPAW249IcelandReykjavík
- JÖKÁ ehf.
2549005ZLDEVF838OQ78IcelandReykjavikLapsed - not renewed
- Jöklaborg ehf
9845008F46E6C86F5F73IcelandGarðabær
- Jöklabræður ehf.
54930073LHRFRYKYB181IcelandReykjavikLapsed - not renewed
- Jökulhæð Ehf.
254900MM2LW1UAAC4D13IcelandKopavogur
- Jökulsalir ehf.
254900MHMOJFAAXE2851IcelandReykjavik
- Jökulsárlón ferðaþjónusta ehf.
984500F83C0B3AB5AT41IcelandHöfn í Hornafirði
