QUALITY. LOYALTY. INTEGRITY.
What We Do
From quick repairs to full system replacements, Williams Electric delivers trusted electrical solutions with same-day service, certified technicians, and honest, upfront pricing making comfort and reliability simple and stress free.


Commercial Electrical Contracting
At Williams Electric, we specialize in comprehensive commercial electrical contracting. With decades of experience serving businesses we deliver the expertise, precision, and dependability required for projects of any scale or complexity.
- Full-scale electrical installations for new commercial construction
- Electrical system design and implementation
- Coordination with general contractors and other trades


Industrial
Keeping your industrial facility running safely, efficiently, and reliably is critical. At Williams Electric, we understand the unique and demanding electrical needs of industrial environments. With over 30 years of experience, we provide comprehensive, high-voltage expertise and specialized solutions tailored specifically for industrial operations.
- Explosion Proof Installations
- Power Systems Testing Services
- Integrated Process Control Systems
- Industrial Control Systems
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Building Management
At Williams Electric, we provide comprehensive Building Management Electrical Services designed to keep your property operating smoothly, safely, and cost-effectively. Our unified approach simplifies vendor management and delivers peace of mind, allowing you to focus on your tenants and operations.
- Energy Management Systems
- Facility Energy Audits & Site Surveys
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Site Utilities
Proper installation of site utilities, particularly power and communication duct banks, is critical for safety, functionality, and long-term system integrity. At Williams Electric, with over 30 years of experience, we specialize in providing expert, safe, and dependable site utility services that lay the groundwork for your project's success.
- Power Duct Banks
- Communication Duct Banks
- Lightning Protection
- Site Lighting
- Pole Base Installation
- Grounding
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Tenant Improvements & Buildouts
At Williams Electric, we specialize in reliable, efficient, and code-compliant electrical services specifically tailored for tenant improvement and buildout projects across office, retail, and industrial spaces. With over 30 years of experience, our skilled electricians understand the complexities, tight deadlines, and coordination required to seamlessly integrate electrical systems.
- Office, retail, and industrial space electrical upgrades
- Lighting design and installation
- Panel and circuit additions


Lighting Solutions
At Williams Electric, we provide comprehensive commercial lighting solutions designed to meet the unique needs of your facility. Our experienced commercial electricians offer expert installation, reliable maintenance, and energy-saving upgrades that brighten your bottom line and ensure code compliance.
- LED retrofits and energy-efficient lighting upgrades
- Interior and exterior lighting installation
- Emergency and exit lighting solutions


Power Distribution & Panel Upgrades
At Williams Electric, we specialize in providing expert commercial electrical panel upgrades and comprehensive power distribution services tailored to the unique needs of businesses in Frederick. Backed by decades of experience and a commitment to safety and efficiency, we ensure your electrical system can handle your current demands and support future growth.
- Electrical panel installations and upgrades
- Circuit breaker replacements
- Transformer installation and maintenance
- Power Distribution Systems (High/Medium)
- High Voltage Cabling and Terminations
- Power Systems Testing Services


Backup Power & Generators
At Warner Electrical, we provide essential electrical services for commercial fire alarm and life safety systems, including installation, maintenance, testing, and inspection. We ensure your systems meet rigorous code requirements (NFPA, IBC) and protect your property and occupants. Trust our specialized electrical expertise for critical life safety infrastructure.
- Generator installation and maintenance
- Uninterruptible Power Supply (UPS) systems
- Emergency backup solutions for critical operations


Fire Alarm & Life Safety Systems
In Frederick, MD, reliable power is essential for business continuity and profitability. Power outages halt operations and compromise security. Williams Electric provides expert commercial generator installation, maintenance, and repair services. Trust us to keep your business online, no matter what.
- Fire alarm system installation and upgrades
- Emergency lighting and exit sign installation
- Code compliance testing and inspections


Low Voltage & Data Cabling
At Warner Electrical, we specialize in designing, installing, and maintaining high-performance low voltage and data cabling systems that ensure your business operations run smoothly, efficiently, and without interruption.
- Structured cabling for voice, data, and networking
- Security system wiring
- Fiber optic installation and termination


Service & Maintenance
Our comprehensive commercial electrical service and maintenance helps prevent costly downtime, improves efficiency, ensures safety & compliance, and reduces long-term repair costs. Trust our experienced local electricians for proactive care.
- Electrical troubleshooting and repairs
- Preventative maintenance programs
- 24/7 emergency electrical services
At R.W. Warner Inc., our mission is to deliver exceptional commercial construction projects with an unwavering commitment to quality control. Warner Quality strives to exceed client expectations by ensuring every project meets the highest standards of safety, precision, and excellence. Our dedicated team embraces a culture of continuous improvement, accountability, and collaboration, ensuring every detail is executed seamlessly from start to finish.
We are committed to fostering strong, long-lasting partnerships, maintaining transparent, proactive communication, and upholding our reputation for reliability, integrity, and superior craftsmanship in the construction industry.
Quality control training is a necessary commitment that we have created here at R.W. Warner Inc. Currently we have two full-time employees, Quality Control Manager and Quality Control Superintendent, that are responsible for coordinating quality phase meetings, ensuring proper installations, inspections and follow-up reports as needed. Quality Control training consists of but is not limited to:















