Bill Allen (businessman) Barbados as well. VECO also was a worldwide player in the oil industry, having divisions in many major oil markets, including the Sudan, Russia, Mexico, Venezuela and Syria. VECO had a major impact on the economy of Alaska and employed over 5,000 people worldwide. On March 24, 1989, the oil tanker Exxon Valdez ran aground on Bligh Reef, spilling eleven million gallons of crude oil into the waters of Prince William Sound. The Exxon Valdez oil spill was the second largest in United States history, after the BP Gulf of Mexico Deepwater Horizon spill. Under Allen's guidance, VECO (along with
Oil tanker instrument, Shell consulted the "London Tanker Brokers’ Panel (LTBP)". At first, they divided the groups as "General Purpose" for tankers under ; "Medium Range" for ships between 25,000 and and "Large Range" for the then-enormous ships that were larger than . The ships became larger during the 1970s, which prompted rescaling. The system was developed for tax reasons as the tax authorities wanted evidence that the internal billing records were correct. Before the New York Mercantile Exchange started trading crude oil futures in 1983, it was difficult to determine the exact price of oil, which could change with every contract.