North America - boat builders and shipyards

Founded by David Stanton. Stanton had previously been president of American Fiberglass (a division of General Recreation). In 1976 he purchased the Aqua Cat Catamaran line and left General Recreation to start American Sail, Inc.
Since then, according to the company website, American Sail has built more than 30,000 small sailboats.

Founded by John Barnett, designer and first builder of the BUTTERFLY class scow. First located in Libertyville, IL and then Kenosha, WI. The company was sold to Hedlund Industies in 1972 and production was moved to Green Lake, WI.
In 2007, the assetts were purchased by Windward Boatworks of Middleton, WI.

Located in New Bedford MA, USA, the company was well known for building commerical fishing vessels, whale boats, and Cape Cod catboats. Later became one of the first fabricators in the US of industrial, corrosion resistant, FRP equipment. Carl N. Beetle was the inventor of glass fiber gel-coated boat molds and the catalyst spray gun.
The company was sold to Marscot Plastics which, in turn, became a division of American Boat Building Co..

Founded by Norman J. Blanchard Sr.on the northeast side of Lake Union. It went on to become one of the best-known and respected boat shops in the northwest. In 1932, N.J. Blanchard and Ben Seaborn designed the BLANCHARD SENIOR KNOCKABOUT, a small cabin sloop, in response to comments made by local boaters about how the International Star design had no cabin. The BLANCHARD SENIOR was a cabin daysailer with the rig of a Star.

The BLANCHARD JUNIOR followed, a 20’ open sloop. The hull was scaled down version of the Senior.

AMF was founded in New York in 1900 as American Machine and Foundry, a manufacturer of industrial equipment for the tobacco industry. The company moved into the sport of bowling after World War II, when AMF automated bowling equipment and bowling centers became profitable business ventures.
During the late 1960s AMF expanded into other liesure based businesses including Hatteras, Slickcraft, and Crestliner power boats, as well as Alcort sailboats.
In 1985, a Minnesota-based company called Minstar, Inc. bought the company, recognized that bowling was its biggest strength and sold off most of the other divisions.
In 2009 the company was owned by a Chicago‑based private investment firm Code Hennessy and Simmons, LLC. and maintained its brand association with bowling.
AMF filed for Chapter 11 bankruptcy protection in November 2012. It merged with Bowlmar and, along with Brunswick Corp., became Bowlmar AMF.

Founded by Paul Blue and builder of the DEL REY line of cruising yachts from 24 to 50 feet. They were located in Torrance CA (USA).
NO LONGER IN BUSINESS.

C.E. Ryder was located in Bristol, RI, (USA) Best known as the builder of the Southern Cross and Sea Sprite line, but built a number of other models under contract.

Clark sold their company in the spring of 1984 to San Juan Manufacturing.
The bankruptcy of this group led the boat molds and rights to be split between two groups, one on the west coast and one on the east. The latter ones ended up at Tanzer Industries where a small number of boats were built until 1988.

Founded by John Heaton, originally a dealer for Laguna and Gloucester Yachts.
The factory was destroyed by fire in 2000.

Builder of the ABS lateen rigged Snark sailboats first introduced in the 1960's.

California (USA) builder of a line of trailerable sailboats from 20 to 32', all designed by William Crealock.