Kirk & Blum, a wholly owned subsidiary of CECO Environmental, has been named the leader in its space by "Engineering News-Record" (ENR). Kirk & Blum was ranked #1 in its category during the publication's review of the top 600 specialty contractors. "CECO has built a reputation as a full service provider of air filtration and ventilation systems," says Phillip DeZwirek, chairman and CEO of CECO Environmental. "Our custom metal fabrication division, Kirk & Blum, plays an integral part in our success." In business since 1907, Kirk & Blum is the leading industrial ventilating contractor in America. The company specializes in four businesses: industrial ventilation contracting, industrial ventilation consulting and source emission testing, component parts for industrial air systems, and contract fabricating.