Parent Vicat ranked #33 on Concrete Products Magazine 2010 US list. Walker Concrete operates near Atlanta, Georgia, with 11 b ... atch plants and 4 contractor stores. One of several North American business units that are part of the Vicat group, under National Cement. Other units include Kirkpatrick Concrete in Birmingham, AL. and National Ready Mixed Concrete in Encino, California. Walker Concrete serves markets from heavy to residential construction. Postioned near Hartsfield Jackson International Airport, Walker is available for ongoing work inside the airport. read more