WLK vs SOLS Comparison

Westlake Corp is a manufacturer and supplier of chemicals, polymers, and building products. Its Performance and Essential Materials segment offers a wide range of essential building blocks for making products utilized in everyday living, including olefins, vinyl chemicals, polyethylene, and epoxies. Its Housing and Infrastructure Products segment produces key finished goods for building products, pipe and fittings, and global compounds businesses.

Solstice Advanced Materials is a diversified specialty chemicals company created in late 2025 after being spun off from Honeywell. It sells chemicals and materials to a wide range of end markets. Its largest product category is refrigerants used in heating, ventilation and air conditioning systems, and autos, where Solstice sells low global warming potential refrigerants. The company also sells materials used for building and construction, semiconductor production, healthcare packaging, and defense. Additionally, Solstice runs the only US uranium conversion business currently in operation.