North American Construction Services, Ltd.

North American Construction Services (NACS) has been delivering rebuild and upgrade solutions, along with complete lifecycle service for industrial furnaces, ovens, launders, holders and other thermal process equipment for over 50 years. The repair and maintenance of high-temperature furnaces is our specialty. 

With the combustion expertise of Fives North American Combustion, we offer truly integrated, turnkey thermal process solutions — backed by comprehensive lifecycle support. Uniquely organized to bring your furnace construction and maintenance project to completion on time and on budget, NACS assembles and manages all the skilled trades needed for the job.