Private company
Riley & Cowley
American marine engineering firm
Riley & Cowley was an American marine engineering firm established in 1869 in Brooklyn, New York. The company specialized in the design and manufacture of marine steam engines for small watercraft such as steam yachts, launches and tugboats, and was particularly noted for its light and compact, high-performance, compound and triple expansion engines.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
- Industryengineering1
See how the biggest companies compare on our leaderboards

Riley & Cowley was an American marine engineering firm established in 1869 in Brooklyn, New York. The company specialized in the design and manufacture of marine steam engines for small watercraft such as steam yachts, launches and tugboats, and was particularly noted for its light and compact, high-performance, compound and triple expansion engines.2
Links
- WikipediaRiley & Cowley
- More imagesWikimedia Commons
- WikidataQ101072068
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataRiley & Cowley on Wikidata
- 2WikipediaRiley & Cowley on Wikipedia
- 3Wikimedia CommonsRiley & Cowley photo by Unknown author Unknown author, Public domain