Omnigraphics is a

publishing company Publishing is the activities of making information, literature, music, software, and other content, physical or digital, available to the public for sale or free of charge. Traditionally, the term publishing refers to the creation and distribu ...

located in

Detroit, Michigan Detroit ( , ) is the List of municipalities in Michigan, most populous city in the U.S. state of Michigan. It is situated on the bank of the Detroit River across from Windsor, Ontario. It had a population of 639,111 at the 2020 United State ...

, founded by Frederick Gale Ruffner, Jr. and his son Peter in 1985. The company was acquired by Aggregate Intelligence in 2015. It was sold to

Infobase Publishing Infobase is an American publisher of databases, reference book titles and textbooks geared towards the North American library, secondary school, and university-level curriculum markets. Infobase operates a number of prominent imprints, including ...

in 2022.

References

External links

* {{Authority control Book publishing companies based in Michigan Companies based in Detroit Publishing companies established in 1985 1985 establishments in Michigan