Tanzania Portland Cement Public Limited Company (TPC PLC) is the largest cement producing company in Tanzania. It is part of Heidelberg Cement Group. It was established in 1966 with the principal activity of manufacturing and selling of cement.

The first bag of cement rolled out at Wazo Hill in mid-1966. But due to development of events TPC PLC was nationalized in 1978 and later privatized in 1998. Heidelberg Cement currently holds 69.25 percent of shares via Scancem international DA with the general public of the United Republic of Tanzania holding the remaining 30.75 percent. The shares of TPC PLC are actively traded on the Dar es Salaam Stock Exchange (DSE).

Since its inception, TPC PLC has produced high quality cement conforming to the standards issued by Tanzania Bureau of Standards (TBS). The company currently produces five main brands of cement, and are Twiga Ordinary (42.5N), Twiga Plus (42.5N), Twiga Extra (32.5R), Twiga Super (32.5N), and Twiga Jenga (MC 22.5X)

An expansion program to increase the production capacity to 1.4 million metric tons per year was completed at the beginning of 2009. TPC PLC increase its capacity under the project name CM5 to a capacity of 2.0 million metric tons per year by August 2014.