Skip to content

Omnigraphics

An American reference-book publisher based in Detroit, Michigan.

Last updated August 25, 2026

AI crawler reads

No AI crawler has read this profile since Oct 28, 2026.

Overview

Omnigraphics is an American publishing company headquartered in Detroit, Michigan, known for producing reference books and research-oriented informational publications. The company was founded in 1985 by Frederick Gale Ruffner Jr. and his son, Peter Ruffner. Its publishing activity has focused on organized, accessible reference content rather than on a broad trade-book identity, placing the company within the reference and educational publishing segment. Omnigraphics developed as a specialist publisher of informational works intended to support research, libraries, schools, and general readers. Its catalog has been associated with reference books and encyclopedic material, including subject-focused publications that consolidate factual information into formats designed for consultation. This type of publishing typically emphasizes structured entries, bibliographic usefulness, editorial organization, and sustained relevance over rapid-release commercial publishing, although the available reference material does not provide a complete catalog or detailed product chronology. The company remained privately held and underwent ownership changes during the twenty-first century. In 2015, Omnigraphics was acquired by Aggregate Intelligence. In 2022, it was sold to Infobase Publishing, a larger educational and reference-content publisher. The 2022 transaction placed Omnigraphics within Infobase's publishing portfolio and continued the brand's association with reference and educational information products. Publicly available information about Omnigraphics is limited compared with that of large multinational publishing groups. Specific current executives, revenue figures, distribution data, detailed operating markets, and a complete list of active imprints or series are not established by the supplied sources. On the available evidence, Omnigraphics should be understood as a U.S.-based specialist reference publisher operating under the ownership of Infobase Publishing rather than as an independently listed company.

History

Omnigraphics was established in 1985 in the United States by Frederick Gale Ruffner Jr. and his son, Peter Ruffner. From its Detroit base, the company operated as a specialist publisher rather than as a mass-market trade house. Its core role was the creation and distribution of reference-oriented publications, including encyclopedic and subject-focused works intended to organize information for consultation. The company's publishing model placed emphasis on practical access to factual material. Reference publishers such as Omnigraphics generally serve institutional and educational users as well as individual readers, and their products are commonly used in libraries, schools, research settings, and general-information collections. The supplied sources identify reference books and encyclopedic publications as the principal character of Omnigraphics' output, but do not provide enough verified detail to reconstruct a full bibliography, individual series history, editorial structure, or changes in format over time. Omnigraphics later became part of a sequence of corporate ownership changes. In 2015, Aggregate Intelligence acquired the company. This transaction shifted Omnigraphics from its founding-family ownership context into an ownership structure associated with a broader information or publishing portfolio. The available source does not specify the transaction's value, integration arrangements, management changes, or effects on the catalog. In 2022, Infobase Publishing purchased Omnigraphics from Aggregate Intelligence. Infobase is known as an educational and reference-content publisher, making the acquisition consistent with Omnigraphics' established specialization. The transaction continued the brand's presence within the reference publishing sector while placing it under a larger publishing owner. No verified source supplied here establishes whether Omnigraphics retained a distinct editorial operation, imprint structure, or separate distribution identity after the sale. The available public record is concise. It confirms the company's Detroit location, 1985 founding, founders, and two ownership transitions, but does not document detailed financial performance, a public listing, major international expansion, prominent executive appointments, controversies, or marketing campaigns. Accordingly, Omnigraphics is best described as an American reference publisher with a specialist catalog and a history of ownership by Aggregate Intelligence and, since 2022, Infobase Publishing.

  • 2022

    Sale to Infobase Publishing

    [1]

    Infobase Publishing purchased Omnigraphics and added the company to its educational and reference publishing portfolio.

  • 2015

    Acquisition by Aggregate Intelligence

    [1]

    Aggregate Intelligence acquired Omnigraphics, marking a change in ownership for the specialist reference publisher.

  • 1985

    Omnigraphics founded

    [1]

    Frederick Gale Ruffner Jr. and Peter Ruffner founded Omnigraphics in the United States, establishing a Detroit-based reference publishing company.

Products and positioning

A specialist American publisher of organized reference and educational information resources for research, library, school, and general-reference use.

  • Reference publishing

    Reference books

    Omnigraphics' core output consists of reference books designed to gather, organize, and present factual information for consultation. These publications serve readers who need structured background material rather than narrative trade content, with likely use in libraries, schools, research environments, and general-reference collections. The available sources do not identify a complete current catalog or specific active titles.

  • Encyclopedic reference

    Encyclopedic publications

    The company is associated with encyclopedic works and other subject-organized informational publications. These products present knowledge in a structured format intended for lookup and educational use. Detailed title-level information, publication dates, editions, and current availability are not established by the supplied reference material.

Brand decisions

  • 2022

    Sale to Infobase PublishingM&A

    Background

    After its ownership by Aggregate Intelligence, Omnigraphics was sold to Infobase Publishing, an educational and reference-content publisher.

    Action taken

    Infobase Publishing acquired Omnigraphics.

    Aftermath

    Omnigraphics became part of Infobase Publishing's portfolio. Specific integration, management, and product effects are not documented in the supplied sources.

  • 2015

    Change of ownership to Aggregate IntelligenceM&A

    Background

    Omnigraphics operated as a specialist reference publisher and was acquired by Aggregate Intelligence.

    Action taken

    Aggregate Intelligence completed the acquisition of Omnigraphics.

    Aftermath

    The acquisition placed Omnigraphics under new ownership; the supplied sources do not detail operational or catalog changes.

Sources1 sources

Cite this profile: Cite the canonical profile. /brand-wiki/omnigraphics · Editorial policy · How profiles are compiled