Honeywell International Inc.

When David Cote became CEO of Honeywell in 2002, the industrial conglomerate was performing poorly. The company managed 100+ manufacturing plants across aerospace, building controls, and specialty materials with inconsistent operational standards and fragmented quality systems. A failed GE merger attempt and the post-9/11 aerospace downturn had compounded the challenges. Operating margins were thin and inconsistent across business units, and there was no systematic way to identify and propagate best practices from top-performing plants to underperformers. Leadership reviews were episodic rather than cadenced, making it difficult to surface and address operational problems before they became financial surprises. Revenue was approximately $22 billion and operating income approximately $2 billion in FY2002.

Cote introduced the Honeywell Operating System (HOS) as the company's integrated governance and performance management framework:

• Lean + Six Sigma integration: HOS combined Lean manufacturing principles (waste elimination, flow, visual management) with Six Sigma statistical quality controls into a single framework applicable across all manufacturing plants and business functions.
• Bronze/Silver/Gold certification: HOS defined three certification levels for manufacturing facilities. Bronze required five-S workplace organization, standard work documentation, and visual management boards. Silver added value stream mapping and performance dashboards. Gold required full Lean integration with demonstrated measurable output improvements.
• Operating review cadence: Cote instituted a structured review calendar — monthly operating plan reviews, quarterly strategic reviews, and annual strategy sessions — with standardized financial and operational reporting templates making plant performance comparable across the portfolio.
• CI culture investment: Honeywell trained approximately 3,000 Lean Black Belts and Green Belts who served as HOS deployment resources across the plant network.
• 100 of 250 factories certified: By 2011, approximately 100 of Honeywell's 250 worldwide factories had achieved at least Bronze HOS certification.