Florida Rock Industries' shareholders overwhelmingly approved its sale to Vulcan Materials Co. of Birmingham, Ala.

Vulcan announced in February that it would buy Florida Rock of Jacksonville, Fla., for $4.6 billion. A closing date was not announced. The combined company will have extensive concrete and aggregate operations in the Southeast, Southwest, and Midwest. For more, visit www.vulcanfloridarock.com

Boral Acquires Oklahoma Operations

Boral Ltd., a large construction materials company based in Australia, has bought Schwarz Readymix in Oklahoma City and the quarry assets of Davis Arbuckle Materials for $80 million. The sale includes 18 concrete batch plants, more than 160 trucks and tankers, five sand deposits, and a limestone quarry in Davis, Okla. The combined operations produce 750,000 yards of ready-mixed concrete and 1.6 million tons of sand aggregate annually. Visit www.boral.com.au..