From perplexity:

C3 AI has several notable success stories across various industries:

1. Shell: Shell has over 100 C3 AI applications in development or deployment, estimating $2 billion in annual benefits from this partnership[1].
2. Con Edison: This utility company projects over $3 billion in benefits over 20 years from its smart grid project with C3 AI[1].
3. Georgia-Pacific: In the manufacturing sector, Georgia-Pacific has emerged as an industry leader in AI adoption through its collaboration with C3 AI[3].
4. Eletrobras: The largest power generation and transmission company in Latin America, Eletrobras, uses C3 AI to enhance grid resilience and availability, effectively processing and analyzing real-time data to reduce network disruptions[5].
5. U.S. Marine Corps: The USMC utilizes the C3 AI Defense & Intelligence Suite to modernize its software systems, enhancing personnel efficiency and decision-making support[5].
6. Nucor Corporation: This company has improved manufacturing outcomes using the C3 AI Supply Chain Suite, which aids in daily decision-making across multiple facilities[5].

Sources
[1] C3.AI Sees Accelerating Growth as Enterprise AI Demand Surges https://www.pymnts.com/artificial-intelligence-2/2024/c3-ai-sees-accelerating-growth-as-enterprise-ai-demand-surges/
[2] Customer Viewpoints - C3 AI https://c3.ai/testimonials/
[3] Customers - C3 AI https://c3.ai/customers/
[4] C3.ai - Wikipedia https://en.wikipedia.org/wiki/C3.ai
[5] C3 AI Announces Fiscal First Quarter 2025 Financial Results https://finance.yahoo.com/news/c3-ai-announces-fiscal-first-200500108.html
[6] C3 Generative AI Ready, Safe, and Proven - C3 AI https://c3.ai/c3-generative-ai/customers/
[7] Enterprise AI at Georgia-Pacific - C3 AI https://c3.ai/enterprise-ai-at-georgia-pacific/
[8] If C3 had a platform companies wanted, they would've had ... - Reddit https://www.reddit.com/r/C3ai/comments/18l1gtr/if_c3_had_a_platform_companies_wanted_they/