The phrase "cement companies" refers to businesses that produce and sell cement, which is a building material used in construction projects to make structures strong and sturdy. Full definition
I'd rather own cement companies; they are very difficult to make obsolete. (alephblog.com)
Last month, Chinese cement companies took the first steps towards measuring and managing CO2 emissions across the entire cement sector. (wri.org)
Successfully represented Southwestern Portland Cement Company in arbitration involving the design and construction of a cement kiln. (sheppardmullin.com)