WAYNE, NEW JERSEY- James R. Slauson- Vice President GAF Certified Program & Services is pleased to announce that Holko Enercon Inc of Fowler, OH. has been Certified again for the year 2016 as a GAF “Master Roofing” contractor for single-ply roof systems. Holko...

SAGINAW, MICHIGAN – In recognition of outstanding achievement in quality workmanship, customer satisfaction, and 2015 sales in excess of $250,000, Duro-Last Roofing, Inc. recently welcomed Holko Enercon to the President Club. Inductees were honored during Duro-Last’s...