ARCB arcbest corporation NASDAQ Trucking Freight/Courier Services HTLD heartland express, inc. NASDAQ Trucking Freight/Courier Services JBHT j.b. hunt transport services, inc. NASDAQ Trucking Freight/Courier Services KNX knight-swift transportation holdings inc. NYSE Trucking Freight/Courier Services LSTR landstar system, inc. NASDAQ Trucking Freight/Courier Services MRTN marten transport, ltd. NASDAQ Trucking Freight/Courier Services ODFL old dominion freight line, inc. NASDAQ Trucking Freight/Courier Services PTSI p.a.m. transportation services, inc. NASDAQ Trucking Freight/Courier Services SAIA saia, inc. NASDAQ Trucking Freight/Courier Services SNDR schneider national, inc. NYSE Trucking Freight/Courier Services ULH universal logistics holdings, inc. NASDAQ Trucking Freight/Courier Services UPS united parcel service, inc. NYSE Trucking Freight/Courier Services WERN werner enterprises, inc. NASDAQ Trucking Freight/Courier Services ZTO zto express (cayman) inc. american depositary shares, each representing one class a ordinary share. NYSE Trucking Freight/Courier Services CNI canadian national railway company NYSE Railroads CP canadian pacific kansas city limited common shares NYSE Railroads CSX csx corporation NYSE Railroads NSC norfolk southern corporation NYSE Railroads UNP union pacific corporation NYSE Railroads USDP usd partners lp NYSE Railroads BCO brinks company (the) NYSE Oil Refining/Marketing CHRW c.h. robinson worldwide, inc. NASDAQ Oil Refining/Marketing CYRX cryoport, inc. AMEX Oil Refining/Marketing EXPD expeditors international of washington, inc. NASDAQ Oil Refining/Marketing FWRD forward air corporation NASDAQ Oil Refining/Marketing HUBG hub group, inc. - class a NASDAQ Oil Refining/Marketing RLGT radiant logistics, inc. AMEX Oil Refining/Marketing RRTS roadrunner trans sys inc NYSE Oil Refining/Marketing ASC ardmore shipping corporation NYSE Marine Transportation CMRE costamare inc. $0.0001 par value NYSE Marine Transportation CPLP capital product partners l.p. - common units representing limited partner interests NASDAQ Marine Transportation DAC danaos corporation NYSE Marine Transportation DHT dht holdings, inc. NYSE Marine Transportation DSX diana shipping inc. common stock NYSE Marine Transportation EGLE eagle bulk shipping inc. NASDAQ Marine Transportation ESEA euroseas ltd. NASDAQ Marine Transportation EURN euronav nv ordinary shares NYSE Marine Transportation FRO frontline plc ordinary shares NYSE Marine Transportation GASS stealthgas, inc. - common stock NASDAQ Marine Transportation GLBS globus maritime limited NASDAQ Marine Transportation GNK genco shipping & trading limited ordinary shares new (marshall islands) NYSE Marine Transportation GSL global ship lease inc new class a common shares NYSE Marine Transportation LPG dorian lpg ltd. NYSE Marine Transportation NMM navios maritime partners lp common units representing limited partner interests NYSE Marine Transportation NVGS navigator holdings ltd. ordinary shares (marshall islands) NYSE Marine Transportation OSG overseas shipholding group, inc. class a NYSE Marine Transportation PANL pangaea logistics solutions ltd. NASDAQ Marine Transportation PXS pyxis tankers inc. NASDAQ Marine Transportation SB safe bulkers, inc ($0.001 par value) NYSE Marine Transportation SBLK star bulk carriers corp. - common shares NASDAQ Marine Transportation