Since 1954, CONTRACTOR has been the newsmagazine of mechanical contracting. CONTRACTOR concentrates its industry coverage exclusively on plumbing, heating, hydronic/radiant heating, fire protection and mechanical piping systems.
CONTRACTOR presents the news, trends and issues that matter most to the mechanical contractor...s who matter most — the industry’s top contracting firms. It’s the No. 1 information source of staff-written industry news, business management advice, market trends and new products for plumbing, heating and piping contracting firms.
Established in 1989, KHL Group is the leading supplier of international construction information in the world. KHL Group is a diversified media company and the leading global supplier of international construction and power information with offices in eleven countries around the world. It has achieved rapid growth through market focus and an intense knowledge of the world market. Editorial quality and independence from commercial pressures is why KHL's magazines enjoy a loyal readership. In 2010 KHL Group won the prestigious Queen’s Award for International Enterprise.
KHL Group, acquired the USA-based publisher Diesel & Gas Turbine Publication Group on February 1st, 2018. Founded in 1935, Wisconsin, USA-based Diesel & Gas Turbine Publication Group (D>P) is the leading and most-respected publisher of information for the on-highway, off-highway, stationary and marine engine-powered equipment markets. It focuses on the construction and agriculture, power generation and commercial vehicle equipment sectors through its North American magazine, Diesel Progress and globally through Diesel Progress International.
Off-Highway Research is KHL Group’s specialist market intelligence arm. Formed in 1981 as part of The Economist Intelligence Unit (EIU), Off-Highway Research is a management consultancy specialising in the research and analysis of international construction, and agricultural equipment markets, and is the largest of its kind in the world. The company is staffed by industry specialists with a wide range of industry, language and consultancy skills, and is supported by a unique database of information.
KHL is the largest and most respected provider of international construction information in the world.
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