Workers at Island Ready-Mix say this is their first union contract negotiation, and that the main sticking point is being forced to work seven days per week.

SIOUX CITY - The president of a Rock Valley, Iowa, ready-mix concrete company has pleaded guilty in a price fixing case.

SIOUX CITY - The president of a Rock Valley, Iowa, ready-mix concrete company has pleaded guilty in a price fixing case.

Baton Rouge-based Cajun Ready Mix Concrete has been sold to Holcim US, a global manufacturer of cement, concrete, asphalt and other materials with a focus on sustainable production methods.