FSLR vs CSL Comparison

First Solar designs and manufactures solar photovoltaic panels, modules, and systems for use in utility-scale development projects. The company's solar modules use cadmium telluride to convert sunlight into electricity. This is commonly called thin-film technology. First Solar is the world's largest thin-film solar module manufacturer. It has production lines in Vietnam, Malaysia, the United States, and India.

Carlisle Companies Inc is a holding company. The company manufactures and sells single-ply roofing products and warranted systems and accessories for the commercial building industry. The company is organized into two segments including Carlisle Construction Materials and Carlisle Weatherproofing Technologies. The company's product portfolio includes moisture protection products, protective roofing underlayments, integrated air and vapor barriers, spray polyurethane foam and coating systems, and others. The majority of the company's revenue comes from the Carlisle Construction Materials segment, and more than half of the total revenue is earned in the United States.