The hidden manufacturing race to build the physical backbone of AI

• Jabil’s Q3 fiscal 2026 revenue reached $8.8 billion, with management signaling strong future demand for AI-native infrastructure and cooling systems.
• The company reported U.S. GAAP operating income of $445 million and core diluted earnings per share of $3.16, as it pivots toward high-speed AI interconnects.
• The broader sector faces a structural shift as contract manufacturers race to expand domestic capacity for power-intensive, liquid-cooled data center hardware.
  

Industry Equities in Motion

Jabil (NYSE:JBL)

Jabil continues to shift its strategy toward system-level AI integration, recently announcing a strategic alliance to build a multi-gigawatt AI rack manufacturing platform. 

The company projects fiscal fourth-quarter net revenue between $9.2 billion and $10 billion, reflecting its goal to capture increasing capital expenditure from global hyperscalers.

Celestica (NYSE:CLS)

Celestica specializes in high-complexity hardware solutions, including enterprise-grade server and storage systems. 

The company recently reported a focus on its "Hardware Platform Solutions" segment, which serves data center customers, aiming to capitalize on the same high-speed interconnect demand currently driving the broader electronics manufacturing services market.

Flex (NASDAQ:FLEX)

Flex maintains a diversified manufacturing footprint with a significant concentration in cloud, data center, and automotive technology. 

The company continues to invest in advanced power and thermal management systems, seeking to align its operational capacity with the rising power density requirements of modern AI-focused computing environments.

Sanmina (NASDAQ:SANM)

Sanmina provides complex optical, electronic, and mechanical manufacturing services, with a specific focus on high-end communications and cloud infrastructure. 

The firm emphasizes its ability to handle complex box-build and PCB assembly processes, positioning itself as a key supplier for enterprises upgrading legacy networks to support AI-native architectures.

Benchmark Electronics (NYSE:BHE)

Benchmark Electronics offers engineering and manufacturing services across the computing and industrial sectors. 

The company is actively pursuing opportunities in high-performance computing, focusing its current strategy on specialized thermal management and precision electronics for mission-critical infrastructure, directly competing for roles in next-generation data center deployments.

The bottom line

The sector is currently defined by a transition from traditional contract manufacturing to specialized, high-margin AI infrastructure development. 

As demand for liquid-cooled racks and high-speed interconnects accelerates, firms are reallocating capital toward power management and system-level assembly.

Market leaders and their peers are increasingly prioritizing long-term partnerships with hyperscalers to secure volume in the burgeoning AI hardware ecosystem.