MAINSTAY SUPPLY CO LLC

Capabilities

Mainstay Supply Co LLC is a veteran-led professional services firm delivering custom software engineering, workflow and document automation, data integration, and legacy IT modernization for federal, state, and local agencies. Core work: cloud-native application development, API and systems integration, document intelligence and requirements tooling (automated extraction from solicitations and statements of work, compliance matrix generation), knowledge management and semantic search, and process orchestration. We also provide marketing and strategic communications consulting, market and competitor research, technical writing, and training. Every engagement is senior-led with full code and security review, United States based delivery, and no offshore subcontracting. The principal is a Marine Corps veteran (DD-214) serving in the US Marine Corps Reserve. Mainstay is an SBA-certified Veteran-Owned Small Business (VOSB). Fixed scope, fixed schedule, single point of accountability.