Ash Grove family of companies, including Ash Grove Cement Company, Ash Grove South Texas, LLC, Sapphire Americas LLC, Oldcastle Cement Holdings, Houston Cement Company, and Suwanee American Cement Company, is one of North America’s leading cement manufacturers, with a legacy of innovation and excellence dating back to 1882. Work requires lifting parts weighing up to 50 pounds; climbing ladders; kneeling, bending, pulling, pushing, working in awkward positions; walking on uneven surfaces; climbing stairs; working in man-baskets using a safety harness; and measuring voltage, ohm’s and current accurately and safely.