Black Cat is a very old company in Qatar which was formerly under teyseer group of companies but now is under QIPCO holdings and is one of the Top EPC contractors of qatar with many prestiguous oil and gas ventures under them and also some good civil projects like college of safety coming up in al khor or ras laffan...other EPC companies like TRAGS, CCIC, MEDGULF, Q-CON, DOPET, MANWEIR