Alcoa is a vertically integrated aluminum company comprised of bauxite mining, alumina refining, aluminum production (smelting, casting, and rolling), and energy generation. Through direct and indirect ownership, the company has 30 operating locations in nine countries around the world, situated primarily in Australia, Brazil, Canada, Iceland, Norway, Spain, and United States.

Century Aluminum is a holding company. Through its subsidiaries, the company produces primary aluminum and operates aluminum reduction facilities in the U.S. and Iceland. The company's principal subsidiaries are: Century Kentucky, Inc., which operates a primary aluminum reduction facility in Hawesville, KY; Nordural ehf, which operates a primary aluminum reduction facility in Grundartangi, Iceland; Century Aluminum Sebree LLC, which operates a primary aluminum reduction facility in Robards, KY; Century Aluminum of South Carolina, which operates a primary aluminum reduction facility in Goose Creek, SC; and Nordural Helguvik ehf, which owns a greenfield primary aluminum project in Helguvik, Iceland.

Constellium N.V. designs and manufactures a range of innovative specialty rolled and extruded aluminum products, serving primarily the aerospace, packaging and automotive end-markets. Co. has a strategic footprint of manufacturing facilities located in the United States, Europe and China. Co.'s product portfolio commands higher margins as compared to less differentiated, more commoditized fabricated aluminum products, such as common alloy coils, paintstock, foilstock and soft alloys for construction and distribution. Co. organizes its business around three operating segments: Aerospace & Transportation, Packaging & Automotive Rolled Products, and Automotive Structures & Industry.

Costamare is an international owner of containerships. Co. is engaged in chartering vessels to many of the world's liner companies. As of Feb 23 2018, Co. has a fleet of 71 containerships with a total capacity in excess of 466,000 twenty foot equivalent units (TEUs). Co.'s strategy is to time charter its containerships to a geographically diverse, financially strong and loyal group of liner companies. Co.'s containerships operate primarily under multi-year charters and therefore are not subject to the effect of seasonal variations in demand. Some of Co.'s customers are A.P. Moller-Maersk, MSC, Evergreen, Hapag Lloyd and COSCO.

Diana Shipping is a holding company. Through its subsidiaries, Co. is a global provider of shipping transportation services. Co. specializes in transporting dry bulk cargoes, including such commodities as iron ore, coal, grain and other materials along worldwide shipping routes. As of Dec 31 2017, Co.'s operating fleet consisted of 50 dry bulk carriers, of which 22 are Panamax, five are Kamsarmax, five are Post-Panamax, fourteen are Capesize and four are Newcastlemax vessels, having a combined carrying capacity of approximately 5.8 million dwt.

Euronav is a provider of maritime shipping and offshore services engaged primarily in the transportation and storage of crude oil. As of Apr. 4, 2017, Co. owned and operated a modern fleet of 55 vessels (including four chartered-in vessels) with an aggregate carrying capacity of approximately 13.7 million deadweight tons, or dwt, consisting of 31 very large crude carriers, one ultra large crude carrier, 21 Suezmax vessels, and two floating, storage and offloading vessels. Co. has two operating segments: the operation of crude oil tankers on the international markets (tankers) and the floating production, storage and offloading operations.

GATX is a global railcar lessor. The Rail North America segment provides railcars pursuant to full-service leases under which it maintains the railcars, pays ad valorem taxes and property insurance, and provides other ancillary services. The Rail International segment leases railcars pursuant to full-service leases under which it maintains the railcars and provides services according to customer requirements. The Portfolio Management segment leases aircraft spare engines, as well as five liquefied gas-carrying vessels. The American Steamship Company segment provides waterborne transportation of dry bulk commodities such as iron ore, coal, limestone aggregates, and metallurgical limestone.

Global Ship Lease is a holding company. Through its subsidiaries, the company is engaged in the business of owning and chartering out containerships under fixed rate charters to container liner companies.

Golar LNG is a midstream liquefied natural gas (LNG) company based in Bermuda. Co. is engaged in the transportation, regasification, liquefaction and trading of LNG. Through its subsidiaries and affiliates, Co. is engaged in the acquisition, ownership, operation and chartering of LNG carriers and floating storage regasification units (FSRUs), and the development of liquefaction projects such as Floating Liquefaction Natural Gas Vessels. Co. owns and operates a fleet of 19 LNG carriers and seven FSRUs, and under management agreements operates Golar LNG Partner LP's fleet of six FSRUs and four LNG carriers.

Kirby operates tank barge. The company's marine transportation segment provides marine transportation services, operating tank barges and towing vessels transporting bulk liquid products. The company transports petrochemicals, black oil, refined petroleum products and agricultural chemicals by tank barge. The company's distribution and services segment, sells genuine replacement parts, provides service mechanics to overhaul and repair engines, transmissions, reduction gears and related oilfield services equipment, rebuilds component parts or diesel engines, transmissions and reduction gears, and related equipment used in oilfield services, marine, power generation, on-highway and other industrial applications.

Matson is a holding company engaged in the provision of ocean transportation and logistics services. The company's Ocean transportation segment business is conducted through Matson Navigation Company, Inc., which provides a lifeline of ocean freight transportation services to the domestic non-contiguous economies of Hawaii, Alaska and Guam, and to other island economies in Micronesia and operates an expedited service from China to Long Beach, CA, and provides services to Okinawa, Japan and various islands in the South Pacific. The company's Logistics business is conducted through Matson Logistics, Inc., an asset-light business that provides a variety of logistics services to its customers.

Navios Maritime Partners L.P. is an international owner and operator of dry cargo and container vessels. The Company is engaged in the seaborne transportation services of a range of dry cargo commodities, including iron ore, coal, grain and fertilizer, and also containers, chartering its vessels under medium to long-term charters. It focuses on providing seaborne shipping services under long-term time charters. As of December 31, 2016, it controlled 12 Panamax vessels, nine Capesize vessels, three Ultra-Handymax vessels and seven container vessels. Panamax vessels are vessels capable of carrying a range of dry cargo commodities, including iron ore, coal, grain and fertilizer and being accommodated in various discharge ports. Capesize vessels are dedicated to the carriage of iron ore and coal. Ultra-Handymax vessels are similar to Panamax vessels although with less carrying capacity, and have self-loading and discharging gear on board to accommodate undeveloped ports.

Overseas Shipholding Group is a holding company. Through its subsidiaries, the company owns and operates a fleet of oceangoing vessels engaged in the transportation of crude oil and petroleum products in the U.S. Flag trades. The company has one reportable business segment. The company's U.S. Flag Fleet consists of various owned and chartered-in Jones Act Handysize Product Carriers and Articulated Tug Barges and non-Jones Act U.S. Flag Handysize Product Carriers that participate in the U.S. Maritime Security Program. Under the Jones Act, shipping between U.S. ports, including the movement of Alaskan crude oil to U.S. ports, is reserved for U.S. Flag vessels.

Safe Bulkers is an international provider of marine drybulk transportation services, transporting bulk cargoes, particularly coal, grain and iron ore, along worldwide shipping routes for consumers of marine drybulk transportation services. As of Feb. 9, 2018, Co. had a fleet of 39 drybulk vessels, with an aggregate carrying capacity of 3,513,800 dwt and an average age of 7.6 years. Co. deploys its vessels on both period time charters and spot time charters. The vessels on period time charters provide Co. with relatively stable cash flow and utilization rates, while the vessels in the spot market allow Co. to maintain its flexibility in low charter market conditions.

Star Bulk Carriers is an international company providing worldwide transportation solutions in the drybulk sector through its vessels-owning subsidiaries for a range of customers of major and minor bulk cargoes including iron ore, coal, grain, cement, fertilizer, along worldwide shipping routes. As of Dec 31 2016, Co. owned and operated a fleet of 73 vessels consisting primarily of Newcastlemax, Capesize as well as Kamsarmax, Ultramax and Supramax vessels with a carrying capacity between 52,055 dwt and 209,537 dwt. Co.'s vessels transport a range of major and minor bulk commodities, including ores, coal, grains and fertilizers, along worldwide shipping routes.

Trinity Industries is a provider of railcar products and services in North America. The company has the following reportable segments: Railcar Leasing and Management Services Group, which provides operating leases for freight and tank railcars, as well as originates and manages railcar leases for third-party investors and provides fleet maintenance and management services to industrial shippers; Rail Products Group, which manufactures freight and tank railcars in North America used for transporting a variety of liquids, gases, and dry cargo, and also provides a range of maintenance services and solutions; and All Other, which includes the company's highway products business.

Wabtec primarily serves the global freight rail and passenger transit industries. The company provides its products and services through two segments: Freight, which primarily manufactures and provides aftermarket parts and services for new locomotives; provides components for new and existing locomotives and freight cars; builds new commuter locomotives; and supplies rail control and infrastructure products, among others: and Transit, which primarily manufactures and services components for new and existing passenger transit vehicles, mainly regional trains, high speed trains, subway cars, light-rail vehicles and buses; and supplies rail control and infrastructure products, among others.