William Cramp & Sons Shipbuilding Company of Philadelphia was founded in 1830 by William Cramp, and was the preeminent U.S. iron shipbuilder of the late 19th century.
John Brown and Company of Clydebank was a Scottish marine engineering and shipbuilding firm. It built many notable and world-famous ships including RMS Lusitania, RMS Aquitania, HMS Hood, HMS Repulse, RMS Queen Mary, RMS Queen Elizabeth and Queen Elizabeth 2.
William Henry Webb was a 19th-century New York City shipbuilder and philanthropist, who has been called America's first true naval architect.
Alexander Stephen and Sons Limited, often referred to simply as Alex Stephens or just Stephens, was a Scottish shipbuilding company based in Linthouse, Glasgow, on the River Clyde and, initially, on the east coast of Scotland.
Robert Napier was a Scottish marine engineer known for his contributions to Clyde shipbuilding.
Harlan & Hollingsworth was a Wilmington, Delaware, firm that constructed ships and railroad cars during the 19th century and into the 20th century.
Neafie, Levy & Co., commonly known as Neafie & Levy, was a Philadelphia, Pennsylvania shipbuilding and engineering firm that existed from the middle of the 19th to the beginning of the 20th century. Described as America's "first specialist marine engineers", Neafie & Levy was probably the first company in the United States to combine the building of iron ships with the manufacture of steam engines to power them. The company was also the largest supplier of screw propellers to other North American shipbuilding firms in its early years, and at its peak in the early 1870s was Philadelphia's busiest and most heavily capitalized shipbuilder.
The Morgan Iron Works was a 19th-century manufacturing plant for marine steam engines located in New York City, United States. Founded as T. F. Secor & Co. in 1838, the plant was later taken over and renamed by one of its original investors, Charles Morgan.
The Pennsylvania class was a class of four cargo-passenger liners built by the Philadelphian shipbuilder William Cramp & Sons in 1872–73. Intended for the newly established American Line, the four ships—Pennsylvania, Ohio, Indiana and Illinois—were at the time the largest iron ships yet built in the United States, and were launched with considerable fanfare. Upon entering service in 1874, they became the first American-built steamships to challenge British dominance of the transatlantic trade since the American Civil War.
SS Ohio was an iron passenger-cargo steamship built by William Cramp & Sons in 1872. The second of a series of four Pennsylvania-class vessels, Ohio and her three sister ships—Pennsylvania, Indiana and Illinois—were the largest iron ships ever built in the United States at the time of their construction, and amongst the first to be fitted with compound steam engines. They were also the first ships to challenge British dominance of the transatlantic trade since the American Civil War.
SS Indiana was an iron passenger-cargo steamship built by William Cramp & Sons in 1873. The third of a series of four Pennsylvania-class vessels, Indiana and her three sister ships – Pennsylvania, Ohio and Illinois – were the largest iron ships ever built in the United States at the time of their construction, and among the first to be fitted with compound steam engines. They were also the first ships to challenge British dominance of the transatlantic trade since the American Civil War.
SS Illinois was an iron passenger-cargo steamship built by William Cramp & Sons in 1873. The last of a series of four Pennsylvania-class vessels, Illinois and her three sister ships—Pennsylvania, Ohio and Indiana—were the largest iron ships ever built in the United States at the time of their construction, and amongst the first to be fitted with compound steam engines. They were also the first ships to challenge British dominance of the transatlantic trade since the American Civil War.
Reaney, Son & Archbold was a 19th-century American iron shipbuilding company located on the Delaware River at Chester, Pennsylvania. The company was established in 1859 by Thomas Reaney but it was undercapitalized from the outset, and like many other American shipbuilding companies, fell victim to the shipbuilding slump that followed the American Civil War.
The Delaware River Iron Ship Building and Engine Works, was a major late-19th-century American shipyard located on the Delaware River in Chester, Pennsylvania. It was founded by the industrialist John Roach and is often referred to by its parent company name of John Roach & Sons, or just known as the Roach shipyard. For the first fifteen years of its existence, the shipyard was by far the largest and most productive in the United States, building more tonnage of ships than its next two major competitors combined, in addition to being the U.S. Navy's largest contractor. The yard specialized in the production of large passenger freighters, but built every kind of vessel from warships to cargo ships, oil tankers, ferries, barges, tugs and yachts.
John Roach & Sons was a major 19th-century American shipbuilding and manufacturing firm founded in 1864 by Irish-American immigrant John Roach. Between 1871 and 1885, the company was the largest shipbuilding firm in the United States, building more iron ships than its next two major competitors combined. It was also by far the largest contractor to the U.S. Navy during this period, and at its peak is said to have been the nation's largest employer behind the railroads.
Lawrence & Foulks was a 19th-century American shipbuilding company based in New York. Established in the early 1850s, the company built 144 vessels of all types over the course of some fifty years, but is best known for its production of high-speed wooden-hulled steamboats and steamships. Notable vessels built by the company include the record-breaking Hudson River steamboat Chauncey Vibbard, the luxury Long Island Sound steamer Commonwealth, and the fast oceangoing steamships—later U.S. Navy gunboats—Bienville and De Soto. In addition to the domestic market, the company also built ships for service as far afield as South America and China.
John Gunder North was a Norwegian born ship builder in San Francisco. During his career, he built 273 hulls of all kinds with 53 bay and river steamers, including the famed paddle steamers Chrysopolis, Yosemite and Capital.
Horace See was an American mechanical engineer, marine engineer, naval architect, inventor, and superintendent. He is known as principal naval architect at the William Cramp & Sons shipyard in Philadelphia, and as president of the American Society of Mechanical Engineers in the year 1888–89.
Messrs Robert Napier and Sons was a famous firm of Clyde shipbuilders and marine engineers at Govan, Glasgow founded by Robert Napier in 1826. It was moved to Govan for more space in 1841. His sons James and John were taken into partnership in 1853.
Robert Duncan and Company was a shipyard in the town of Port Glasgow on the Clyde in Scotland.
