More than 400 current and former employees of Boeing Co. in the Antelope Valley will receive $47 million as a settlement for not being covered by union representation, it was announced Friday.

The former employees will receive lump payments of a few dollars to more than $400,000 while many current employees have already received a raise of $33,000 annually, according to a release from Society of Professional Engineering Employees in Aerospace, IFPTE Local 200.

The local, based in Seattle, filed a formal grievance against Boeing in Chicago arguing that in 2001 engineers and technicians working for Boeing in Palmdale and Edwards Air Force Base were denied representation by the union.

During the next 13 years, the case moved to federal court then before the National Labor Relations Board and finally to an arbitrator who in November 2012 ruled that Boeing violated four contracts between it and Local 200. The decision was confirmed in January.

“Boeing spent more than a decade and countless dollars trying to break its contracts with these employees,” said Rich Plunkett, SPEEA director of strategic development, in a prepared statement. “It’s disappointing it took so long, but the employees prevailed.”

The $47 million award includes back pay, premium pay, interest, pension and 401(k) contributions.

Boeing did not release a statement regarding the settlement.