Established in 1995 and targets repair shops that derive half or more of their revenue from the service and repair of under the hood systems. Defines trends in engine technology and specialization. Each issue features updates on legislation and products as well as technical tips and techniques on electronics cooling systems, air conditioning, emission controls, fuel systems, ignition, internal engine repair and electrical and charging systems. Departments include: Publisher's Page, Tech Tips, A/C Update, Aftermarket Update, Underhood Chronicles, Product Showcase, Literature Showcase, Classifieds and Editor's Page.

Edited for the homeowner who takes an active interest in home improvement and remodeling. Includes topics related to home improvement, yard and garden care, maintenance and repair, remodeling, information on woodworking, auto maintenance, energy efficiency and decorating.

Edited for owners and senior management of mechanical specialties contracting firms. Presents coverage of the mechanical systems engineering and contracting marketplace. Features include business management advice, emerging markets, industry news, market trends and product developments in plumbing, hydronic/radiant heating and specialty piping. The outlet offers RSS (Really Simple Syndication).

Established in 1920 and serves the field of electrical wholesalers, distributors, manufacturers' agents and manufacturers of electrical supplies. Editorial provides case studies, industry trend analysis, industry-specific statistics, product and application training, sales technique instruction and analysis of operating issues. It also pinpoints new market opportunities and analyzes major challenges facing this industry.

Written for lighting designers, sound designers, programmers, technicians and rental and staging professionals. Editorial focuses on entertainment, presentation and communication technology in all its diverse forms. Contains industry news and a calendar of events.