NRMCA's celebration of the 100th anniversary of ready mixed concrete in the U.S. continues in April with the histories of another Producer and Associate member. See below for the two companies we've selected for this week, along with a link to that company's respective Web site for more information. This week's industry milestone: By the time construction of the Pentagon was complete in 1943, 1,492 concrete pilings were driven and 410,000 cubic yards of concrete went into the building, using 680,000 tons of sand and gravel dredged from the adjacent Potomac River.

Ratliff Ready Mix - This Waco, TX-based Producer member is a construction materials supply company, specializing in ready mixed concrete and construction aggregates. It began in 2005 when Ratliff Ready Mix was chartered, purchased its first mixer trucks and opened plants in Corsicana, Cleburne and Whitney, TX. The company has grown to employ 200 people statewide, with 12 ready mix plants and 110 mixer trucks serving 14 Texas counties. Read more.

An NRMCA Producer member since 2006

Sika Corp. - This Associate member was founded in 1910 by Kaspar Winkler whose first inventions were agents to protect and clean granite and a mortar waterproofing agent called Sika. More than a century later, the Sika Industry Products Division is a technology leader in elastic and structural bonding and in the manufacture of adhesives, sealants and acoustic materials. Read more. 

An NRMCA Associate Member since 1949