The U.S. Army Corps of Engineers says it has awarded a $10.1 million contract to Environmental Chemical Company of Burlingame, Calif.
Officials face a deadline to have the estimated 9,650 tons of debris cleared by the end of March.
After that, truck access to beaches will be restricted to protect nesting areas for an endangered bird, the piping plover.
The Army Corps has struggled to find a contractor to handle the job. ECC is the fifth company named in recent weeks. Deals with previous companies were challenged.
The Army Corps says it still expects to meet the March 31 deadline.
A Fire Island Association official says residents have their fingers crossed.