These companies manufacture freight and commercial elevators.

These companies manufacture monitoring and control systems for real estate, such as lighting and temperature controls.

These companies develop cloud-based software that enables industrial equipment to be controlled remotely by users or automated control systems.

These "fabless" companies outsource the manufacturing of semiconductors for diversified electronics and sell them through wholesalers or distributors.

These companies manufacture flash hard drives and flash drives that serve as memory storage for consumer electronics and sell directly to original equipment manufacturers.

These companies manufacture engines and turbines that are used in power plant equipment and sell directly to their customers.

These companies are contracted to make substations and substation automation systems primarily for electric utilities. They also sometimes make these substations for large industrial customers who produce their own electricity. These substations are a part of their customers' electricity transmission infrastructure.

These companies manufacture reactors for nuclear power plant equipment and sell directly to original equipment manufacturers.

These companies are contracted to build power plants.

These companies provide roadway and traffic signaling systems engineering services.

These companies design, manufacture, and install control systems for railways.

These companies are contracted to build public buildings and infrastructure, such as airports and roads. They subcontract certain aspects of the construction process.

These companies manufacture POS (point-of-sale) terminals for brick and mortar retail and sell them through wholesalers or distributors.