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Expanse Electrical Expanse Electrical
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Trusted Electrical Contractors in Houston, TX
Expanse Electrical has built a reputation as a leader in delivering comprehensive electrical, automation, and power solutions across diverse industries. With decades of combined experience, our team of licensed electricians, engineers, and automation specialists prioritizes safety, craftsmanship, and reliability in every project. We specialize in turnkey services, from design and engineering to installation, maintenance, and optimization, ensuring systems operate at peak efficiency. Our commitment to innovation is reflected in our adoption of cutting-edge technologies, including SCADA remote monitoring, variable frequency drives, and UL-certified control panels.

Backed by certifications such as UL 508A and partnerships with industry leaders like Schneider Electric and Rockwell Automation, we provide tailored solutions that address unique operational challenges. Our nationwide presence, with strategically located branches, enables rapid response times and localized expertise, ensuring clients receive timely, cost-effective support. By integrating advanced technologies with proven methodologies, we empower clients to achieve operational sustainability, reduce downtime, and future-proof their infrastructure.
Services
Automation & Control Electrical Services Electrical Distribution Transmission & Substation Communication Networking Field Services Project Services Engineering Services Energy Transition Power Transformer Services
Highlights and features
  • We offer 70+ years of combined expertise in electrical and automation systems.
  • Our 24/7 field service teams ensure rapid response and minimal downtime.
  • We deliver UL-certified control panels for safety and compliance.
  • Our NICET-trained technicians perform ANSI/NETA-compliant testing.
  • We prioritize safety, craftsmanship, and reliability in every project.
Associations and certifications
  • UL 508A
  • UL 698
  • UL HazLoc
  • Schneider Electric Alliance Partner
  • Rockwell Automation Bronze System Integrator
Update Listing
Services
Automation & Control
Our automation and control services encompass design, programming, and maintenance of industrial systems. We specialize in PLC/HMI integration, SCADA implementation, and custom control solutions. Clients benefit from reduced downtime, enhanced operational efficiency, and seamless compatibility with existing infrastructure. Our team ensures systems are future-ready through continuous optimization and adoption of emerging technologies.
Electrical Services
We provide end-to-end electrical services, including distribution system design, installation, and lifecycle maintenance. Our expertise covers low- and medium-voltage systems, substation construction, and compliance with ANSI/NETA standards. Clients receive reliable, code-compliant solutions that minimize risks and maximize uptime for critical operations.
Energy Transition
Our energy transition services focus on modernizing power systems to improve efficiency and reduce carbon footprints. We implement renewable integration, grid modernization, and energy storage solutions tailored to client needs. These initiatives help organizations meet sustainability goals while maintaining operational reliability and regulatory compliance.
Power Transformer Services
We offer comprehensive transformer services, including oil processing, inspection, and repair. Our technicians perform diagnostics and preventive maintenance to extend asset lifespan and prevent failures. Clients benefit from optimized performance, reduced downtime, and adherence to industry safety standards for critical power infrastructure.
Field Services
Our field services include testing, troubleshooting, and maintenance of electrical and automation systems. With 24/7 availability and strategically located teams, we address urgent issues promptly. Services ensure system reliability, compliance, and minimal disruption to client operations through proactive and reactive support.
Questions
What industries does Expanse Electrical Co. serve?
We serve energy, utilities, industrial manufacturing, water/wastewater, and oil & gas sectors with tailored electrical and automation solutions.
Do you offer emergency repair services?
Yes, our 24/7 field service teams provide rapid response for urgent electrical and automation system repairs.
Are your electrical panels UL-certified?
Yes, we manufacture UL 508A, UL 698, and UL HazLoc-certified control panels for safety and compliance.
Can you handle large-scale automation projects?
Yes, we specialize in end-to-end automation solutions, including system integration, SCADA implementation, and custom control panel design.
Do you provide maintenance for existing systems?
Yes, we offer preventive and corrective maintenance for electrical, automation, and power systems to ensure optimal performance.
What certifications do your technicians hold?
Our team includes NICET-certified technicians and specialists trained in ANSI/NETA standards and OEM-specific technologies.
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