PSCI delivers traditional cap-weighted exposure to US industrial companies but just the small-caps. The industrials sector as classified by GICS are firms engaged in providing industrial products and services, including engineering, heavy machinery, construction, electrical equipment, aerospace and defense and general manufacturing. The Index is a capped version of S&P SmallCap 600. It limits single positions at 22.5% and caps aggregate positions over 4.5% at 45% total. The Index is rebalanced and reconstituted quarterly.