SYDNEY, Australia , Jan.29 /Xinhua-PRNewswire-FirstCall/ -- Rinker GroupLimited ("Rinker"; NYSE: RIN; ASX: RIN) today announced two acquisitions byits US subsidiary Rinker Materials -- in Utah in western US and Tennessee, inthe US south-east.

The Utah acquisition comprises a quarry, other aggregates assets and four concrete plants from JR & Sons Ready Mix. It enables Rinker Materials to enter a new market in one of the fast-growing regions of Utah -- in the St George area, about 120 miles (190 kilometers) north-east of Las Vegas , along the I-15 freeway corridor.

JR & Sons' largest aggregate operation and concrete plant is located on-site to service the 5,800 lot Suncor master-planned Coral Canyon residential development at St George. The other aggregate and concrete operations are located in smaller markets nearby.

The business will continue to be managed by members of the Robinson family, the previous owners.

Rinker Chief Executive David Clarke said the JR & Sons acquisition would-be a "bolt-on" to the group's existing Las Vegas operations.