Cambridge Pro Fab Inc. is a North American leader in the supply of steel ducting for oil, gas, and coal projects within the P ... ower Generation industry. Cambridge Pro Fab specializes in the manufacturing of heat recovery steam generators, pollution control, noise reduction, and air filtration systems. As steel fabrication experts, CPF combines industrial engineering, project management, document control and a comprehensive trial-fit process that sets our company apart from others, enabling us to execute large scale projects on time and on budget. In operation for 30 years, CPF has built a reputable name for the company within the industry and well as a diversified portfolio that includes a widening array of other key sectors and industries. read more