BXC bluelinx holdings inc. NYSE Wholesale Distributors TTC toro company (the) NYSE Tools/Hardware FRD friedman industries inc. AMEX Steel/Iron Ore GGB gerdau s.a. NYSE Steel/Iron Ore HAYN haynes international, inc. NASDAQ Steel/Iron Ore IIIN insteel industries, inc. NASDAQ Steel/Iron Ore ROCK gibraltar industries, inc. NASDAQ Steel/Iron Ore SID companhia siderurgica nacional s.a. NYSE Steel/Iron Ore WOR worthington enterprises, inc. common shares NYSE Steel/Iron Ore GBX greenbrier companies, inc. (the) NYSE Railroads KIQ kelso technologies inc ordinary shares AMEX Railroads RAIL freightcar america, inc. NASDAQ Railroads TRN trinity industries, inc. NYSE Railroads WAB westinghouse air brake technologies corporation NYSE Railroads CDTI cdti advanced materials NASDAQ Pollution Control Equipment DCI donaldson company, inc. NYSE Pollution Control Equipment FTEK fuel tech, inc. NASDAQ Pollution Control Equipment PPIH perma-pipe international holdings, inc. NASDAQ Pollution Control Equipment NPK national presto industries, inc. NYSE Ordnance And Accessories RGR sturm, ruger & company, inc. NYSE Ordnance And Accessories VSTO vista outdoor inc. NYSE Ordnance And Accessories AIRI air industries group AMEX Military/Government/Technical ASTC astrotech corporation NASDAQ Military/Government/Technical ATRO astronics corporation NASDAQ Military/Government/Technical CVU cpi aerostructures, inc. AMEX Military/Government/Technical DCO ducommun incorporated NYSE Military/Government/Technical ESLT elbit systems ltd. - ordinary shares NASDAQ Military/Government/Technical KTOS kratos defense & security solutions, inc. NASDAQ Military/Government/Technical LMT lockheed martin corporation NYSE Military/Government/Technical SPR spirit aerosystems holdings, inc. NYSE Military/Government/Technical TDG transdigm group incorporated NYSE Military/Government/Technical AA alcoa corporation NYSE Metal Fabrications B barnes group, inc. NYSE Metal Fabrications BWEN broadwind, inc. NASDAQ Metal Fabrications CR crane holdings, co. NYSE Metal Fabrications GIFI gulf island fabrication, inc. NASDAQ Metal Fabrications GSM ferroglobe plc - ordinary shares NASDAQ Metal Fabrications GTLS chart industries, inc. NASDAQ Metal Fabrications HIHO highway holdings limited NASDAQ Metal Fabrications KALU kaiser aluminum corporation NASDAQ Metal Fabrications MATW matthews international corporation - class a NASDAQ Metal Fabrications MLI mueller industries, inc. NYSE Metal Fabrications MWA mueller water products NYSE Metal Fabrications NNBR nn, inc. NASDAQ Metal Fabrications NX quanex building products corporation NYSE Metal Fabrications PH parker-hannifin corporation NYSE Metal Fabrications PRLB proto labs, inc. common stock NYSE Metal Fabrications TG tredegar corporation NYSE Metal Fabrications TKR timken company (the) NYSE Metal Fabrications UAMY united states antimony corporation AMEX Metal Fabrications