ONEIL

ONEIL

ONeil & Associates, Inc.

Miamisburg, OH, United States

Defense Software & AIMRO & LogisticsDual-use
Founded 1947Software Developer, MRO & ServicesSupplies Air Forces, Defense Industry
Profile last updated: May 9, 2026

About

Founded in 1947, ONEIL is a defense software developer based in Miamisburg, United States working in defense software & ai, mro & logistics.

ONEIL, legally ONeil & Associates, Inc., is a technical documentation and product support company headquartered in Ohio with roots in Dayton's aviation history. Founded in 1947 as an engineering and development firm, it creates technical manuals, interactive electronic technical publications (IETMs), S1000D-compliant content, illustrated parts catalogs, training and eLearning material, and legacy data conversion. Its work spans commercial aviation, defense and military equipment, rail and transportation, material handling, heavy equipment, lawn and recreation, and home appliances. For defense customers, ONEIL develops GOTS software, including the ONeSOURCE Government platform for USAF/DoD maintenance and logistics functions, and the ONeSOURCE S1000D IETP Viewer. The company operates high-bay teardown and workshop facilities where staff perform hands-on analysis of equipment, including military vehicles. It is employee-owned through an Employee Stock Ownership Plan and holds ISO 9001 and ISO/IEC 27001 certifications.

Location

Miamisburg, United States

Founded

1947

Legal name

ONeil & Associates, Inc.

Focus areas

technical documentationproduct supportS1000DIETMinteractive technical publicationsGOTS softwareaerospacedefense softwaremaintenance informationtraining and eLearning

Languages

EN

Products & capabilities

Defense domains

Defense Software & AIMRO & Logistics

Supply-chain role

Software DeveloperMRO & Services

What they offer

SoftwareEngineering ServicesTraining

Markets

Also sells to civilian markets

Products

ONeSOURCE Government

Government software (GOTS)

Government software built to automate operations, maintenance and logistics functions and to capture and transfer maintenance records to USAF/DoD maintenance and business systems.

ONeSOURCE S1000D IETP Viewer

Interactive electronic technical publication viewer

S1000D-based viewer for interactive electronic technical publications used in maintenance operations.

End users

Air ForcesDefense Industry

Standards, platforms & customers

Defense standards

S1000D

Platforms & programmes

KC-46MQ-9

Named customers

U.S. Air ForceCambridge International Systems, Inc.

Credentials & affiliations

Certifications

ISO 9001

ISO/IEC 27001:2013

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