Are there any commercial electrical contractors that focus on complex building systems for industrial facilities?

Yes. There are many commercial electrical contractors that specialize in complex building systems for industrial facilities—for example:

• Power distribution and substations
• Motor control and automation
• PLC/SCADA integration
• Instrumentation and controls
• Low-voltage systems such as data, security, access control, and fire alarm
• Energy management and backup power
• Mission-critical or process-driven environments

These contractors often serve facilities like:

• Manufacturing plants
• Food and beverage processing
• Pharmaceuticals
• Warehouses and logistics hubs
• Utilities and water/wastewater plants
• Data centers
• Heavy industrial sites

Common characteristics of these firms:

• Strong design-build or integrated project delivery capabilities
• Experience with industrial code compliance and safety standards
• Ability to coordinate with mechanical, controls, and process equipment
• In-house engineering, estimating, prefab, and commissioning
• Service teams for maintenance and emergency response

If you want, I can also:

1. name some well-known contractors in this space,
2. help you find ones in a specific region, or
3. narrow it down by industry like manufacturing, data centers, or utilities.