Photronics, Inc., together with its subsidiaries, engages in the manufacture and sale of photomask products and services in the United States, Taiwan, Korea, Europe, China, and internationally.

indie Semiconductor, Inc. provides automotive semiconductors and software solutions for advanced driver assistance systems, connected car, user experience, and electrification applications.

Kulicke and Soffa Industries, Inc. designs, manufactures, and sells capital equipment and tools used to assemble semiconductor devices. It operates through two segments, Capital Equipment, and Aftermarket Products and Services (APS).

Ultra Clean Holdings, Inc. develops and supplies critical subsystems, components and parts, and ultra-high purity cleaning and analytical services for the semiconductor industry in the United States and internationally.

Cohu, Inc., through its subsidiaries, provides semiconductor test equipment and services in China, the United States, Taiwan, Malaysia, the Philippines, and internationally.

Amtech Systems, Inc. manufactures and sells capital equipment and related consumables for use in fabricating silicon carbide (SiC), silicon power devices, analog and discrete devices, electronic assemblies, and light-emitting diodes (LEDs) worldwide.

Applied Materials, Inc. provides manufacturing equipment, services, and software to the semiconductor, display, and related industries. It operates through three segments: Semiconductor Systems, Applied Global Services, and Display and Adjacent Markets.

KLA Corporation designs, manufactures, and markets process control, process-enabling, and yield management solutions for the semiconductor and related electronics industries worldwide.

ASML Holding N.V. develops, produces, markets, sells, and services advanced semiconductor equipment systems for chipmakers. It offers advanced semiconductor equipment systems, including lithography, metrology, and inspection systems.

Teradyne, Inc. designs, develops, manufactures, sells, and supports automatic test equipment worldwide. The company operates through Semiconductor Test, System Test, Industrial Automation, and Wireless Test segments.

Onto Innovation Inc. engages in the design, development, manufacture, and support of process control tools that performs macro defect inspection and 2D/3D optical metrology, lithography systems, and process control analytical software worldwide.