The phrase "revenue contributor" refers to something or someone that helps generate money for a business or organization. It refers to a source, product, or person that directly or indirectly supports the company's income or profits. Full definition
The wine segment was a major revenue contributor for global luxury wines & spirits market in 2015. (fb101.com)
Key Revenue Contributors - Abortion, Infection Testing and Contraception (faith.org.uk)
Even so, Goldman's biggest revenue contributor, bond trading, is in the midst of a decline that's crimping profits across Wall Street. (businessinsider.com)