Millennium was established in 1999 and is a privately held Kansas corporation. The business is built on technical expertise, innovation, flexibility and strategic relationships with customers and suppliers. The business has evolved from strictly aerospace engineering to a full scale vertically integrated manufacturer of general aviation seats and interiors.

As an established provider of interiors and seats, Millennium is an FAA TSO/ETSO holder for cabin and crew seating systems and holds FAA and foreign supplemental type certificates (STC) and Parts Manufacturer Approval (PMA) authorizations.



  • Clean Sheet Design
  • Collaborative Design
  • Sustaining Programs
  • Certification
  • Dynamic, Stress, and Flammability Testing
  • Conceptual Modeling
  • Advanced Prototyping
  • Human Factor/Ergonomic Studies
  • Coordinate Measuring Machine (CMM)


  • Tooling Fabrication
  • Composite
  • Cabinet/Wood Shop
  • Metal Machining
  • Seat Frame Assembly
  • Sewing/Upholstery
  • Final Finishes/Paint
  • 4 Axis Horizontal Machining Center
  • 3, 4, and 5 Axis CNC Routers

Program Management

Our Program Management Team works closely with the customer to ensure that both tactical and strategic schedule fidelity is maintained while maintain budget targets. Projects are managed utilizing internal expertise in Engineering, Certification, and Operations to ensure the hand off from development to production is seamless.

FAA Certified Flammability

ISO/AS9100 Certified


Quality Assurance

Millennium Concepts, Inc. maintains a Fabrication Inspection System (FIS) that has been approved by the FAA.

Millennium is a production approval holder (FAA-PMA) and has full authority to manufacture quality components that will be installed in an airplane. Additionally, Millennium is the holder of a technical standard order authorization (FAA TSO) for 26g and 21g seating products.

Millennium holds the ability to operate an approved FAA Repair Station in accordance with 14 CFR Part 145. Millennium is authorized to perform maintenance, preventative maintenance and alterations on articles defined by the company’s capabilities list.