Meisei Industrial Co., Ltd. is a construction works company based in Osaka, Japan, founded in 1944. It operates through two segments: Construction Work Business and Boiler Business. The company provides hot and cold insulation systems, including Keical-Ace Super-Silica, Keical-Ace Win, and Recycal, and undertakes LNG and petroleum gas-related insulation works, furnace and refractory insulation, and insulation for nuclear power plants. It also offers fireproofing products such as Pyrocrete 241, Thermolag 3000, Mandoseal, and Fendolite M II Marine Mandolite 25/40, along with concrete repair and reinforcement, incinerator facility construction, stack lining repair, and acoustic insulation products.