Many different kinds of businesses had offices in the World Trade Center. Financial, publishing, import/export, legal, etc.
Leipzig.
Baha'is are spread right across Canada. They have a publishing centre in Thornhill Ontario.
New World Centre was created in 1982.
World Syndicate Publishing Company published "Heidi" by Johanna Spyri in 1915.
World Trade Centre Residence was created in 2007.
World Trade Centre Montreal was created in 1992.
Certainly before 1928 when they were bought out and became part of World Publishing Company.
It is difficult to know what sort of centre you may be asking about but you may be interested to know that the centre of the world is called the "core".
Centre Point Tower is not a world heritage site.
New York City.
The world trade centre was used for trading with other countries, hence the name world. And it also had markets.