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Oldest companies in Seraing, Construction sector

KBO

This ranking lists the oldest companies still active in Seraing, Construction sector, by their start date in the register.

Top 25

165 companies active with a known start date

Founded · Start date in the KBO register, for companies and associations that are still active and file recent accounts. Method and sources

  1. 1 Grignet et Breda SeraingSpecialised construction 1953 73 years
  2. 2 Etablissements François Mazza SeraingSpecialised construction 1960 66 years
  3. 3 ISOLETANCHE SeraingSpecialised construction 1975 51 years
  4. 4 ENTREPRISES A. GERARD - DEBRASSINE ET FILS SeraingSpecialised construction 1976 50 years
  5. 5 Palumbo SeraingSpecialised construction 1976 50 years
  6. 6 CORNELIS SeraingSpecialised construction 1978 48 years
  7. 7 M.T.T.T. GRILLO SeraingSpecialised construction 1978 48 years
  8. 8 Weiler, Albert et fils SeraingSpecialised construction 1979 47 years
  9. 9 BRICHAUD - SCHOSSE SeraingSpecialised construction 1979 47 years
  10. 10 Lavosa SeraingConstruction of buildings 1982 43 years
  11. 11 LE COUDMAIN SeraingConstruction of buildings 1985 41 years
  12. 12 ETS STEFENATTO SeraingSpecialised construction 1987 39 years
  13. 13 R.M.S. SeraingSpecialised construction 1987 39 years
  14. 14 EDIFYS SeraingConstruction of buildings 1988 38 years
  15. 15 BUREAU D'ETUDES INFORMATIQUES ET DE RECHERCHES SeraingSpecialised construction 1988 38 years
  16. 16 JACQUEMOTTE FILS SeraingSpecialised construction 1989 37 years
  17. 17 GELMINI SeraingSpecialised construction 1990 36 years
  18. 18 INTERBAT SeraingConstruction of buildings 1990 36 years
  19. 19 MENUISERIE MARC HARY SeraingSpecialised construction 1990 36 years
  20. 20 PARTNER SeraingSpecialised construction 1991 35 years
  21. 21 ENTREPRISES GYSENS SeraingConstruction of buildings 1993 33 years
  22. 22 M.E.I. SeraingSpecialised construction 1995 30 years
  23. 23 SOLAR STAR SeraingSpecialised construction 1998 28 years
  24. 24 A.J. CLIMAT SeraingSpecialised construction 1998 28 years
  25. 25 LAMOLINE V SeraingSpecialised construction 1998 28 years
Pick 2 to 6. This ranking as CSV All companies in the analysis workbench

The CSV holds the rows shown with place, sector, figure and financial year. The analysis workbench shows the same place and sector, sorted by this figure, with every registered company. Companies without recent accounts, which this ranking leaves out, are included too.

140 more companies with this figure are not in the top. Every company has its own dossier with all its figures.

Method and sources

Start date in the KBO register, for companies and associations that are still active and file recent accounts. Those the register starts on 1 January 1968 are left out: there that date stands in for an unknown, often earlier founding.

Source
KBO register
Companies
165 companies active with a known start date
Not included
Sole traders, companies in bankruptcy, liquidation or another abnormal situation in the register, and companies without accounts for 2024 or later.
Updated
07-11-2026

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