Building materials manufacturer Quikrete has agreed to purchase Summit Materials for $11.5 billion in cash.

More than three years after its $298-million acquisition by construction services provider Arcosa Inc., Houston-based recycling and demolition specialist Cherry Cos. is gradually rebranding itself as Arcosa Stabilized & Recycling.

After seven-week walkout, northeastern Illnois quarry workers approved a new contract with materials producers.