From 20,000 dwt ships to tankers over 300,000 dwt, the JMS team of experienced tanker brokers offer unmatched deep sea tanker chartering. Specialists in crude oil as well as clean and dirty petroleum products, JMS deliver reliable and efficient tanker brokerage services that meet the needs of our global client base. Firmly established at the forefront of the sector, oil companies, traders and shipowners depend on JMS rich market intelligence to facilitate deals, while producers and refiners rate our negotiation expertise.