Our History

Norwegian Oil Trading has over 50 years experience in bunkering business. It started in 1957 as Tor Melsom AS - a small agency and bunkering company in Tønsberg, Norway.

Today the company remains specialised in the bunkering business and has offices in Tønsberg, Norway and Singapore. The two strategic locations allows us to service all our customers world wide.


  • 1957 The company, Tor Melsom AS, was founded founded by Tor Melsom. The company had many activities whereas agency and bunkering was part of the business.

  • 1981 The company expanded and was renamed Entranor. The company had two main offices; Tønsberg and Oslo.

  • 1993 Entranor merged with Norwegian Oil Trading AS combining oil trading and bunker trading/broking business. The company was represented in Tønsberg and Oslo as well as in London.

  • 2004 The company demerged leaving the oil trading business in Pemco. The bunkering activity remained in Norwegian Oil Trading.  The company had one office in Tønsberg, where it originated. Its employees, with majority owner Tor Melsom family, owned the company.

  • 2009 The company was bought by Hesnes Group and NYK Trading.

  • 2013 Norwegian Oil Trading AS Singapore Branch was established.