A Connecticut defense contractor has been fined $200,000 and has agreed to pay the Pentagon another $1.1 million for submitting false claims on work done for the Coast Guard, the government said Thursday.

Four people have either pleaded guilty or agreed to plead guilty and four others are facing charges in the scheme involving Energy Maintenance Corp. of Rocky Hill, Conn., U.S. Attorney Stanley A. Twardy Jr. said.A federal grand jury indictment accused the company of submitting false claims for work it did as a subcontractor for the overhaul and upgrading of Coast Guard cutters, Twardy said.

Company officials pleaded no contest to the charges in U.S. District Court in New Haven on behalf of EMC, which agreed to pay the government $1.1 million to settle civil false-claim charges and $200,000 in criminal penalties, Twardy said.