Haji Hassan Group of Companies first started manufacturing blocks in 1955 . This was a manual block plant making one block at a time and was the first block machine in Bahrain.The factory has a capability of 25,000 standard blocks per shift. Products that can be produced on the presses are solid, hollow , floor filler, thermal insulation and plain ends concrete blocks to the British standards, also various types of interlock paving and wall cladding stones can be manufactured in different colours.