Supplier is a synonym of Provider. Provider is related to Fuel. Fuel is a synonym of Gas. 
Enterprise is related to Fiction. Fiction is the opposite of Reality. Reality is related to Dream. Dream is related to Escape. 
Supplier <--Synonym--> Provider <--RelatedTo--> Fuel <--Synonym--> Gas 
Enterprise <--RelatedTo--> Fiction <--Antonym--> Reality <--RelatedTo--> Dream <--RelatedTo--> Escape 