Delta-Therm is a manufacturer that specializes in various heating solutions. Their product offerings include:

Constant Wattage Controls
Electric Infrared Heaters
Floor Warming for Residential and Light Commercial use
Plug-in Cable
Self-Regulating Series Resistance
Snow Melting solutions
They also provide useful tools such as CAD Specifications, Control card - Cable test data, a Products Catalog, and Proposal Request options. Additionally, their website features documentation, including information on discontinued products, and an "About" section that covers company details, case studies/white papers, and engineering services. Customer service and technical support can be reached at 1-800-526-7887.