•["IG03010","能源技術服務業"] •["E599010","配管工程業"] •["E601010","電器承裝業"] •["E601020","電器安裝業"] •["E603010","電纜安裝工程業"] •["E603050","自動控制設備工程業"] •["E603090","照明設備安裝工程業"] •["E604010","機械安裝業"] •["E605010","電腦設備安裝業"] •["EZ99990","其他工程業"] •["D101040","非屬公用之發電業"] •["D101050","汽電共生業"] •["F113010","機械批發業"] •["F113020","電器批發業"]