オイレスECO株式会社 designs and manufactures the Window Operator and Cablex operator series used to drive natural smoke-vent windows in high-rise and large-floorplate buildings. Its products conform to 日本建築センター (BCJ) safety criteria and hold BCJ performance ratings as 防災機器. The company is a 正会員 of the 日本防排煙工業会 and provides inspection and repair of installed smoke-vent systems through regional offices.