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31 Years
experience
Emergency
services
Expert Electrical Contracting Services in Markham, Ontario
At Stevens & Black Electrical Contractors, we have dedicated ourselves to delivering precision-driven solutions in electrical contracting since 1995. Our expertise spans diverse sectors, including government agencies and high-security environments like Toronto Pearson International Airport, where we consistently uphold quality, reliability, and professionalism. With a COR-certified team, we prioritize innovation, value, and safety, ensuring seamless execution and adherence to the highest standards in every project. Our commitment extends beyond installations to include structured cabling systems, fire detection, and life safety services, all designed to meet the unique needs of our clients.

We maintain a proactive approach to health and safety through ongoing training, site audits, and compliance with rigorous certifications. Our partnerships with leading organizations and government agencies reflect our ability to deliver beyond expectations, combining technical excellence with a deep understanding of client needs. As a trusted name in the industry, we continue to drive innovation and excellence, ensuring our clients' operations remain secure, efficient, and future-ready.
Services
Electrical Service Structured Cabling Fire & Life Safety Systems Health & Safety Management Emergency Response Electrical Installations Maintenance & Repairs Data Room Builds EV Charging Infrastructure Building Automation Systems
Details
  • Year established: 1995
Highlights and features
  • Expertise in high-security and complex environments
  • Proven commitment to innovation and safety
  • COR-certified team ensuring compliance and excellence
  • 24/7 emergency response availability
  • Trusted by government agencies and leading organizations
Associations and certifications
  • COR Certified
  • ULC Certified
Services
Electrical Contracting
We provide comprehensive electrical contracting solutions, including installations, maintenance, and upgrades for industrial, commercial, and institutional clients. Our services ensure safety, reliability, and compliance with industry standards, tailored to meet the unique needs of mission-critical environments. With a COR-certified team, we deliver precision-driven results that prioritize innovation and client satisfaction.
Structured Cabling
Our structured cabling solutions offer scalable and reliable connectivity for voice, data, and security systems. Designed to meet modern business demands, these systems ensure performance, uptime, and long-term flexibility. We install and certify copper and fiber optic networks, supporting applications like LAN/WAN, VoIP, and wireless access points while adhering to industry standards.
Fire & Life Safety Systems
We design and install integrated fire alarm, emergency notification, and access control systems tailored for compliance and performance. Our ULC-certified team ensures installations meet Ontario Building Code and NFPA standards, providing peace of mind through regular inspections, testing, and 24/7 emergency support for critical facilities.
Health & Safety Management
Our COR-certified health and safety management system emphasizes proactive risk mitigation, ongoing training, and rigorous audits. We maintain impeccable safety records through real-time reporting, third-party consultations, and adherence to evolving industry best practices, ensuring secure environments for employees and clients alike.
Emergency Response
We offer round-the-clock emergency response for electrical issues, ensuring rapid resolution of critical problems. Our fully equipped team and advanced diagnostic tools minimize downtime, safeguarding operations for clients in high-security and mission-critical environments across the Greater Toronto Area.
Questions
What does an electrical contractor do?
Electrical contractors install, maintain, and repair electrical systems in residential, commercial, and industrial buildings, ensuring safe and efficient operation of wiring, lighting, and power distribution.
How do electrical contractors ensure safety on site?
We adhere to strict safety protocols, provide comprehensive training, and use high-quality equipment and personal protective gear to mitigate risks and protect workers and clients.
What certifications do electrical contractors require?
In Canada, contractors need provincial Electrician's licenses and COR certification, demonstrating expertise in electrical systems and compliance with safety regulations.
Do electrical contractors offer emergency services?
Yes, we provide 24/7 emergency response to address urgent electrical issues, ensuring rapid resolution and minimizing downtime for critical operations.
What types of clients do electrical contractors serve?
We serve government agencies, high-security environments like airports, commercial and industrial businesses, and residential customers, offering tailored electrical solutions.
How can electrical contractors improve client relations?
We prioritize transparent communication, prompt issue resolution, and reliable service delivery, fostering trust and long-term partnerships with our clients.
Reviews (2)
David Green
Jul 22, 2017 Report
Great service, quickly came and gave a quote at a reasonable price, managed to squeeze us into their schedule as we needed the work does ASAP. The guys arrived on time, consulted with me to make sure I was happy with the way they were going to do the work, did the work quickly and cleanly. I will certainly be calling them again when we have more electrical needs.
Jerry Bolton
Jan 15, 2017 Report
Friendly folks, first rate service. Had to have some electrical work done at our office (which, coincidentally, is right next door to S+B) and they lent us power from their unit via extensions while ours was off.