Top 50 Electrical Companies in California (2026)

California continues to lead the way in construction, clean energy, and smart infrastructure—and that growth is driving huge demand for skilled electrical contractors. From high-rise developments in Los Angeles to advanced tech facilities in Silicon Valley, reliable electrical work is at the heart of it all.

This curated list highlights some of the most trusted electrical companies in California, helping you quickly identify the right fit based on your project needs, whether residential, commercial, or industrial.

Top 50 Electrical Companies in California

1. Rosendin Electric

Best for: Large-scale commercial & renewable projects

Rosendin Electric is one of the most recognized electrical contractors in the U.S., known for handling complex infrastructure projects. Their expertise spans data centers, healthcare facilities, and renewable energy installations. With a strong focus on innovation and safety, they consistently deliver high-quality results for enterprise clients across California.

Services:

• Commercial electrical construction
• Renewable energy systems
• Preconstruction planning
• Design-build solutions

Contact: (408) 286-2800

2. Cupertino Electric

Best for: Data centers & tech infrastructure

Cupertino Electric plays a major role in powering Silicon Valley’s tech ecosystem. They specialize in mission-critical electrical systems where performance and reliability are essential. Their ability to manage fast-track, high-demand projects makes them a top choice for large technology firms.

Services:

• Data center electrical systems
• Commercial installations
• Energy-efficient solutions
• Prefabrication

Contact: (408) 808-8000

3. CSI Electrical Contractors (MYR Group)

Best for: Utility-scale electrical projects

CSI Electrical Contractors is a key player in large-scale infrastructure and power delivery systems. As part of MYR Group, they bring deep expertise in renewable energy and transmission projects, making them ideal for utilities and industrial clients.

Services:

• Transmission & distribution systems
• Renewable energy construction
• Industrial electrical services

Contact: (909) 621-8000

4. Helix Electric

Best for: Design-build commercial projects

Helix Electric combines engineering and construction into a streamlined process that reduces delays and improves efficiency. They are particularly strong in commercial developments, offering reliable execution with a focus on timelines and cost control.

Services:

• Electrical design-build
• Commercial wiring
• Low-voltage systems

Contact: (858) 535-1000

5. Bergelectric

Best for: Large nationwide commercial builds

Bergelectric has built a reputation for delivering consistent results on large-scale projects such as airports and stadiums. Their structured approach and experienced workforce make them a dependable choice for demanding environments.

Services:

• Commercial electrical contracting
• BIM modeling
• Prefabrication

Contact: (760) 746-2580

6. Morrow-Meadows Corporation

Best for: Healthcare & institutional projects

Morrow-Meadows excels in technically complex environments where precision and compliance are critical. Their experience with hospitals and educational institutions ensures high-quality, regulation-compliant installations.

Services:

• Healthcare electrical systems
• Campus infrastructure
• Engineering services

Contact: (626) 588-9200

7. Redwood Electric Group

Best for: Sustainable and green projects

Redwood Electric focuses on environmentally conscious solutions, helping clients meet sustainability goals. Their work on energy-efficient systems makes them a strong choice for modern, eco-friendly developments.

Services:

• Green energy solutions
• Commercial electrical services
• Maintenance & upgrades

Contact: (408) 727-1000

8. Prime Electric

Best for: Mixed-use developments

Prime Electric offers versatile services across residential, commercial, and industrial sectors. Their ability to manage diverse project types makes them a reliable partner for mixed-use developments.

Services:

• Electrical installations
• Maintenance services
• Tenant improvements

Contact: Not publicly listed

9. Pacific Power & Systems

Best for: Industrial electrical systems

Pacific Power & Systems is known for delivering durable electrical solutions in industrial environments. Their focus on performance and system reliability makes them ideal for manufacturing and heavy-duty operations.

Services:

• Industrial wiring
• Automation systems
• Electrical maintenance

Contact: Not publicly listed

10. Valley Electric

Best for: Residential and small business needs

Valley Electric is a trusted name for homeowners and small businesses. They provide straightforward, dependable service with a strong emphasis on customer satisfaction and quick response times.

Services:

• Home wiring & rewiring
• Panel upgrades
• Troubleshooting & repairs

Contact: Not publicly listed

11. IES Residential

Best for: Scalable home electrical services

IES Residential delivers consistent and reliable electrical services for homeowners. Their structured systems ensure quality across installations, upgrades, and maintenance work.

Services:

• Residential wiring
• Electrical upgrades
• Installation services

Contact: (713) 860-1500

12. Baker Electric

Best for: Solar and smart energy solutions

Baker Electric stands out in the renewable energy space, helping clients transition to solar power and smart home systems. Their expertise in modern energy solutions makes them a forward-thinking choice.

Services:

• Solar panel installation
• Battery storage systems
• EV charging stations

Contact: (877) 578-8080

13. Dynalectric California

Best for: High-end commercial projects

Dynalectric delivers precision-driven electrical systems for commercial and institutional clients. Their engineering expertise and attention to detail make them a strong choice for complex builds.

Services:

• Commercial electrical systems
• Engineering & design
• Maintenance

Contact: (213) 362-2000

14. Southland Industries

Best for: Integrated building systems

Southland Industries offers more than electrical services by integrating multiple building systems. This holistic approach makes them ideal for large infrastructure and commercial projects.

Services:

• Electrical systems
• HVAC integration
• Building automation

Contact: (626) 856-7400

15. Sturgeon Electric California

Best for: Transportation & infrastructure

Sturgeon Electric specializes in public infrastructure projects, including transportation systems. Their experience with highways and rail systems makes them a reliable partner for government and large-scale developments.

Services:

• Infrastructure electrical systems
• Transportation projects
• Maintenance

Contact: (303) 286-8000

16. Faith Technologies

Best for: Energy-efficient commercial solutions

Faith Technologies has built a strong reputation for delivering innovative electrical and energy solutions across commercial and industrial sectors. They focus heavily on sustainability and smart energy integration, helping clients reduce long-term operational costs while improving system performance.

Services:

• Energy-efficient electrical systems
• Commercial installations
• Engineering & design
• Maintenance services

Contact: (920) 225-3000

17. Cache Valley Electric

Best for: Large industrial and infrastructure projects

Cache Valley Electric is known for handling complex, large-scale industrial jobs with precision. Their experience spans power plants, transportation systems, and manufacturing facilities, making them a dependable choice for heavy-duty electrical work.

Services:

• Industrial electrical construction
• Power generation systems
• Transportation infrastructure
• Maintenance

Contact: (435) 753-7200

18. Huen Electric

Best for: Utility and power distribution work

Huen Electric specializes in utility infrastructure and power distribution systems. Their strong technical expertise and safety standards make them a trusted partner for public and private sector projects.

Services:

• Power distribution systems
• Utility construction
• Maintenance & upgrades

Contact: (909) 944-9200

19. Rex Moore Group

Best for: Design-build and prefabrication

Rex Moore Group blends innovative construction methods with efficient project delivery. Their prefabrication capabilities help reduce build time and improve overall project quality, especially in commercial environments.

Services:

• Electrical design-build
• Prefabrication
• Commercial electrical systems
• Maintenance

Contact: (916) 381-6000

20. Collins Electrical Company

Best for: Commercial and healthcare facilities

Collins Electrical Company is widely respected for delivering high-quality electrical systems in healthcare and commercial environments. Their attention to detail and compliance ensures smooth project execution.

Services:

• Commercial electrical construction
• Healthcare systems
• Engineering & design
• Maintenance

Contact: (559) 251-7700

21. Cupertino Electric Services

Best for: Ongoing maintenance and service contracts

A division of Cupertino Electric, this team focuses on long-term service and maintenance. They are ideal for businesses needing reliable, ongoing electrical support.

Services:

• Preventive maintenance
• Electrical repairs
• System upgrades

Contact: (408) 808-8000

22. Royal Electric Company

Best for: Public works and commercial builds

Royal Electric Company delivers dependable services across government and commercial sectors. They are known for meeting strict deadlines and maintaining consistent quality.

Services:

• Public infrastructure projects
• Commercial installations
• Electrical upgrades

Contact: (916) 631-7700

23. Westech Mechanical & Electrical

Best for: Integrated mechanical and electrical systems

Westech combines mechanical and electrical expertise, offering clients a more streamlined construction process. This integrated approach reduces coordination challenges on complex builds.

Services:

• Electrical systems
• Mechanical integration
• Maintenance services

Contact: (951) 684-2100

24. Gaylor Electric (California Projects)

Best for: Fast-track commercial construction

Gaylor Electric is known for delivering projects on tight timelines without compromising quality. Their efficient processes make them ideal for fast-moving developments.

Services:

• Commercial electrical systems
• Design-build
• Prefabrication

Contact: (317) 352-8444

25. Sachs Electric Company

Best for: Industrial automation and controls

Sachs Electric specializes in automation systems that improve efficiency in industrial settings. Their solutions are tailored for modern manufacturing and production facilities.

Services:

• Industrial automation
• Electrical systems
• Control systems integration

Contact: (314) 647-7450

26. KPS PowerHome

Best for: Residential solar and backup power

KPS PowerHome focuses on residential energy independence, offering solar installations and backup power solutions. They’re a strong choice for homeowners looking to reduce reliance on the grid.

Services:

• Solar panel installation
• Backup generators
• Energy storage systems

Contact: (800) 552-9970

27. Sullivan Solar Power

Best for: Premium solar installations

Sullivan Solar Power is a well-known name in California’s solar industry. They provide high-end solar solutions with a focus on quality and long-term efficiency.

Services:

• Solar panel systems
• Battery storage
• Energy monitoring

Contact: (619) 458-9315

28. Semper Solaris

Best for: Veteran-led solar and roofing services

Semper Solaris combines electrical, solar, and roofing expertise under one roof. Their customer-first approach and strong warranties make them a popular residential choice.

Services:

• Solar installations
• Battery backup systems
• Electrical upgrades

Contact: (858) 779-3090

29. Sunrun

Best for: Nationwide residential solar solutions

Sunrun is one of the largest residential solar providers in the U.S. They offer flexible financing options, making solar energy more accessible to homeowners.

Services:

• Solar panel installation
• Battery storage
• Energy management

Contact: (855) 478-6786

30. Tesla Energy

Best for: Smart energy and battery systems

Tesla Energy leads the way in advanced energy solutions, including solar roofs and battery storage systems. Their technology-driven approach makes them ideal for modern, smart homes.

Services:

• Solar roof installation
• Powerwall battery systems
• EV charging solutions

Contact: (888) 518-3752

31. Power Design Inc.

Best for: Multi-family and large residential projects

Power Design Inc. specializes in electrical systems for large residential developments. Their streamlined processes ensure efficiency across high-volume projects.

Services:

• Multi-family electrical systems
• Installation services
• Maintenance

Contact: (727) 461-0456

32. Miller Electric Company

Best for: Diverse commercial and industrial work

Miller Electric Company offers a wide range of services across multiple sectors. Their adaptability makes them a reliable choice for varied project needs.

Services:

• Commercial electrical systems
• Industrial installations
• Maintenance

Contact: (904) 388-2696

33. O’Connell Electric Company

Best for: Renewable energy and infrastructure

O’Connell Electric is known for its work in renewable energy and infrastructure projects. They bring a strong engineering focus to every project.

Services:

• Renewable energy systems
• Infrastructure electrical work
• Engineering services

Contact: (585) 235-1400

34. Rosendin Renewable Energy

Best for: Utility-scale solar projects

A division of Rosendin, this team focuses specifically on renewable energy. They are a top choice for large solar farms and clean energy developments.

Services:

• Solar farm construction
• Renewable energy systems
• Project management

Contact: (408) 286-2800

35. Cupertino Electric Renewable Division

Best for: Large-scale solar and battery storage

This division of Cupertino Electric specializes in renewable energy projects, combining technical expertise with efficient execution.

Services:

• Solar installations
• Battery storage systems
• Energy infrastructure

Contact: (408) 808-8000

36. Helix Electric Energy Division

Best for: Energy-focused commercial builds

Helix Electric’s energy division focuses on integrating energy-efficient systems into commercial projects, helping clients reduce costs and improve sustainability.

Services:

• Energy-efficient systems
• Commercial installations
• Maintenance

Contact: (858) 535-1000

37. Bergelectric Service Division

Best for: Ongoing maintenance and service

This division provides long-term support and maintenance for existing electrical systems, ensuring reliability and performance.

Services:

• Electrical maintenance
• System upgrades
• Troubleshooting

Contact: (760) 746-2580

38. Morrow-Meadows Service Team

Best for: Institutional maintenance services

Morrow-Meadows’ service team specializes in maintaining complex systems in hospitals and campuses, ensuring uninterrupted operations.

Services:

• Preventive maintenance
• Electrical repairs
• System upgrades

Contact: (626) 588-9200

39. Redwood Energy Solutions

Best for: Energy efficiency upgrades

This branch focuses on optimizing energy use in existing buildings, helping clients lower operational costs.

Services:

• Energy audits
• System upgrades
• Efficiency improvements

Contact: (408) 727-1000

40. Prime Electric Services

Best for: Electrical maintenance contracts

Prime Electric’s service division provides reliable ongoing support for businesses needing consistent electrical performance.

Services:

• Maintenance services
• Electrical repairs
• System monitoring

Contact: Not publicly listed

41. Pacific Industrial Electric

Best for: Heavy industrial electrical work

Pacific Industrial Electric is built for demanding environments, offering durable and reliable electrical systems for factories and plants.

Services:

• Industrial wiring
• Equipment installation
• Maintenance

Contact: (714) 978-1000

42. Valley Electrical Services Group

Best for: Residential and small commercial projects

This company focuses on providing practical solutions for homes and small businesses, with a strong emphasis on customer service.

Services:

• Residential wiring
• Electrical repairs
• Panel upgrades

Contact: (559) 651-5000

43. LA Solar Group

Best for: Residential solar installations in Southern California

LA Solar Group helps homeowners transition to renewable energy with customized solar solutions tailored to their needs.

Services:

• Solar panel installation
• Battery storage
• Energy consultations

Contact: (818) 805-9927

44. SunPower

Best for: High-efficiency solar technology

SunPower is known for its premium solar panels and advanced energy solutions, making it a top choice for efficiency-focused homeowners.

Services:

• Solar installations
• Energy storage
• Monitoring systems

Contact: (800) 786-7693

45. Vivint Solar (now part of Sunrun)

Best for: Smart home solar integration

Vivint Solar integrates solar power with smart home technology, offering a modern approach to residential energy management.

Services:

• Solar systems
• Smart home integration
• Energy monitoring

Contact: (877) 404-4129

46. Freedom Forever

Best for: Nationwide solar installation network

Freedom Forever provides solar installations with strong warranty backing, ensuring long-term reliability for homeowners.

Services:

• Solar panel systems
• Installation services
• Maintenance

Contact: (800) 685-1850

47. PetersenDean Roofing & Solar

Best for: Combined roofing and solar services

PetersenDean offers a unique combination of roofing and solar solutions, simplifying home upgrades for clients.

Services:

• Solar installations
• Roofing services
• Energy solutions

Contact: (800) 564-0362

48. Stellar Solar

Best for: Customized solar solutions

Stellar Solar provides tailored solar energy systems designed to meet specific energy needs, ensuring optimal performance.

Services:

• Solar panel installation
• Energy storage
• System design

Contact: (619) 743-9193

49. Horizon Solar Power

Best for: Affordable solar solutions

Horizon Solar Power focuses on making solar energy accessible with cost-effective installation options.

Services:

• Solar systems
• Installation
• Maintenance

Contact: (844) 452-5276

50. Sunworks Inc.

Best for: Commercial solar projects

Sunworks Inc. specializes in solar solutions for commercial clients, helping businesses reduce energy costs and improve sustainability.

Services:

• Commercial solar systems
• Installation
• Maintenance

Contact: (916) 409-6900