Alcoa Inc. has announced that the company has signed its largest contract ever to supply aluminum sheet and plate products to aerospace manufacturer Boeing.

The multiyear contract is valued at more than US$1 billion. Meanwhile, Alcoa will be the sole supplier to Boeing for wing skins on its metallic structure aircraft.

"We are proud that Alcoa's lightweight structural solutions will continue to fly on Boeing’s most advanced aircraft today, and that our metallic science leadership will contribute to the Boeing aircraft of tomorrow," Alcoa Inc. chairman and CEO Klaus Kleinfeld said.