
Licensed industrial and commercial electrical contractor
Industrial & Commercial Electrical Contractor in Toronto & the GTA
KCS Group is an industrial electrical contractor and commercial electrical contractor in Toronto and the GTA, licensed by ESA/ECRA (#7014042). We maintain, test, scan and repair electrical systems in plants, commercial buildings, medical clinics and dental offices across Ontario.
- ESA/ECRA licence #7014042
- COR certified
- Level II thermographers
- Insured and WSIB covered
Request a callback
Book an infrared scan or a maintenance program
Tell us about your building or plant. A licensed electrician reviews it and calls you back, usually the same business day.
- ESA/ECRA licence #7014042
- NETA accredited, ANSI/NETA MTS and ATS testing
- Level II certified thermographers
- COR certified, insured and WSIB covered
Request a callback
A licensed electrical contractor calls you back, usually the same business day.
What we do
One licensed contractor for your electrical reliability program
From a single infrared scan for your insurer to a multi-site preventive maintenance contract, every visit ends with a written report your team can act on.
Electrical Preventive Maintenance
Scheduled inspection, cleaning, torque checks and testing of your distribution equipment, planned around production and tenant hours.
Learn moreInfrared Electrical Thermography
Thermal scans of energized panels, switchgear and motor control centres that find loose connections and overloads before they fail.
Learn moreElectrical Testing
Insulation resistance, breaker trip testing, transformer and motor testing with recorded results you can trend year over year.
Learn moreIndustrial Electrical Services
Plant electrical maintenance, troubleshooting and upgrades for manufacturing, food processing and distribution sites.
Learn moreCommercial Building Maintenance
Electrical rooms, tenant panels and life safety circuits maintained for property managers and building owners.
Learn moreArc Flash Studies
Incident energy analysis and equipment labels so your team can work safely under CSA Z462.
Learn moreMedical Clinic Electrical
Fit-outs, renovations and equipment power for medical clinics and medical office buildings.
Learn moreDental Office Electrical
Dedicated circuits and clean installations for dental chairs, compressors, vacuum systems, X-ray units and sterilizers.
Learn moreUpdated Reviewed by KCS Group licensed electricians
What an Industrial Electrical Contractor Does for Your Facility
An industrial electrical contractor keeps the power system of a plant or building safe, documented and running: it inspects, tests, maintains, repairs and upgrades the equipment between the utility service and the machines or tenants that use it. KCS Group does that work for manufacturers, warehouses, food plants, commercial landlords and clinics across Toronto and the GTA.
Most of our work sits in three groups. The first is planned maintenance: electrical preventive maintenance programs, electrical inspection services and electrical testing of switchgear, breakers, transformers and motors. The second is condition-based work: infrared electrical thermography, predictive maintenance and asset condition assessments that tell you which equipment needs attention first. The third is corrective and project work: troubleshooting, repairs found during inspections, upgrades and clinic fit-outs.
Since our electricians are licensed to repair what they uncover, you do not need one firm to scan, another to quote and a third to repair. Findings move from report to work order to a re-check under one contract, with one point of contact.
Credentials Procurement and Safety Teams Ask For
KCS Group holds the licence, safety certification and prequalification records that facility owners and contractor management teams usually check before a commercial electrical contractor is allowed on site. Here is what each one means and how to confirm it.
| Credential | What it means | Why buyers ask for it |
|---|---|---|
| ESA/ECRA Licensed Electrical Contractor #7014042 | KCS Group Ltd is licensed in Ontario to perform electrical work as a contractor. | Ontario reserves electrical contracting for ECRA/ESA licence holders, with limited exemptions, and ESA tells buyers to ask for the number. |
| COR (Certificate of Recognition) | Our health and safety management system has been audited under the IHSA program, the authority that grants COR in Ontario. | COR is a prequalification requirement for many contractors on public and private projects. |
| ISNetworld, Avetta and ComplyWorks | Our safety, insurance and training records are on file with all three contractor prequalification platforms. | Many industrial owners and property managers only issue work to contractors approved on their platform. |
| Level II (or higher) thermographers | Every thermal survey is shot and interpreted by a certified Level II (or higher) thermographer. | Insurers and maintenance standards expect trained thermographers to collect and interpret thermal data. |
| Commercially insured and WSIB covered | Our crews work under commercial liability insurance and WSIB coverage. | Under WSIB policy, a principal who directly retains a contractor for construction work must obtain a clearance certificate. |
| 15 years in business | KCS has worked as an electrical contractor in Ontario for 15 years. | Continuity matters for multi-year maintenance programs and equipment histories. |
You can check our licence status yourself on the ESA contractor locator by searching for licence 7014042. For more on how we run the company and our safety program, see About KCS Group.
Commercial and Industrial Electrical Services by Program
Every KCS service belongs to a program, so you can start with one task and grow into a complete maintenance plan without changing contractors. Every page, each with a short description, is listed on our services page.
Maintenance and testing programs
- Electrical preventive maintenance programs for whole facilities
- Electrical inspection services and safety audits for plants and buildings
- Electrical testing services with trended, recorded values
- Predictive electrical maintenance and condition monitoring
- Electrical asset management and condition assessments
- Electrical troubleshooting and fault finding
- Arc flash studies and CSA Z462 labels
Industrial and commercial sites
- Industrial electrical services for production facilities
- Factory electrical maintenance around shifts and shutdowns
- Commercial electrical maintenance for property managers
Equipment services
- Switchgear maintenance, circuit breaker testing and transformer testing
- MCC maintenance, motor electrical testing and electrical panel inspection
- Distribution system and feeder inspection
Infrared electrical thermography
- Infrared electrical inspection of live, loaded gear
- Insurance infrared scan reports, industrial plant thermography and commercial building thermography
- Infrared window installation on switchgear and MCCs
Medical clinics and dental offices
Ontario Codes and Maintenance Standards Behind Our Work
Our work follows Ontario law first and recognized maintenance standards second. The binding rules are the Ontario Electrical Safety Code, whose 29th edition (2024) took effect on 1 May 2025, and the electrical sections of the Industrial Establishments regulation, O. Reg. 851, including its lockout and tagging rules in section 42.
For maintenance, we plan programs to CSA Z463, the Canadian standard for maintaining electrical systems, and CSA Z462 for workplace electrical safety. Field testing follows the ANSI/NETA standards: ANSI/NETA MTS (2023 edition) covers the equipment you run today, and ANSI/NETA ATS (2025 edition) covers acceptance checks on new switchboards and panels prior to first energization, used together with CSA Z463 and with NFPA 70B wherever a client, insurer or corporate policy names it. NFPA 70B and the NETA specifications are US documents, so in Ontario they apply by contract or company policy rather than by law; we tell you which document each task follows.
NFPA 70B ties each maintenance interval to an equipment condition assessment, in which the harshest of three ratings (condition, criticality, environment) decides how often the gear is serviced. We use the same logic to rank your equipment so the critical gear is serviced first. Work that requires it is filed with ESA through an electrical notification, as Ontario requires of licensed contractors.
Facilities and Industries We Support Across the GTA
We work wherever an electrical failure costs production, tenants or patient time. Each industry has different drivers, so each has its own page explaining the services that apply.
- Manufacturing plants: motor control centres, drives, process loads and shutdown windows.
- Warehouses and distribution centres: conveyors, charging stations, dock equipment and long feeders.
- Food and beverage processing: washdown areas, refrigeration loads and sanitation schedules.
- Property managers and commercial real estate: electrical rooms, tenant panels and portfolio-wide scan programs.
- Healthcare and dental facilities: clinics, medical office buildings and dental practices.
An overview of every sector is on our industries page.
Serving Toronto, the GTA and the Rest of Ontario
Our office is in Aurora, and our crews cover Toronto and the GTA daily, travelling further into Ontario for multi-site clients and larger programs. Most of our crews' time is spent in the industrial and commercial areas of the GTA.
Our local pages cover Toronto, Vaughan, Aurora and Newmarket, Markham, Richmond Hill, Mississauga, Brampton, Oakville, Burlington, Hamilton, Milton and Oshawa and Whitby. Beyond the GTA we also serve Barrie, Kitchener-Waterloo and Cambridge, London and Ottawa.
See the full service areas page for how we plan visits to sites outside the GTA.
How a KCS Maintenance Program Runs Day to Day
A KCS program is built around your operation, not ours: we agree on scope, schedule the work into your production or tenant calendar, carry it out safely and hand you a report that ranks what to fix.
- Planned around you. Online work such as thermal scanning happens while equipment runs. Offline testing needs the equipment de-energized, so we book it into shutdowns, weekends or tenant-quiet hours you choose.
- Safe by procedure. Equipment is locked out and tagged before work, as O. Reg. 851 requires, and energized tasks follow CSA Z462.
- Documented. You receive a written record of every visit, illustrated with photographs and, where scanned, thermograms, plus measured readings and repair priorities.
- Closed out. Repairs are quoted, scheduled and completed by the same licensed team, then re-checked.
Our emergency response is part of every KCS maintenance agreement. Anyone else can phone (647) 979-0549 during office hours or send a callback request.
Electrical Work and X-ray Paperwork Support for Clinics
For medical clinics and dental offices, KCS handles the electrical installation and helps the owner prepare the HARP and XRIS paperwork that X-ray equipment needs in Ontario.
Clinic work is covered by Section 24 of the Ontario Electrical Safety Code, which applies to dental offices and doctors' clinics as well as hospitals. Before a new or replacement X-ray unit is installed, the owner must receive written approval from the Ministry of Health's X-ray Inspection Service (XRIS) and then register the unit. We coordinate the circuits, warning lights and interlock wiring shown on that plan and help assemble the documents, while the dentist or clinic remains the applicant.
For the full scope, read about our medical clinic electrical work and our dental office electrician services.
Why maintenance pays
Most electrical failures give a warning first
Loose terminations, overloaded conductors and worn breaker mechanisms heat up and degrade for months before they trip a line or start a fire. A preventive program finds them while they are still a scheduled repair.
Our programs follow CSA Z463 and the manufacturer's instructions for each piece of equipment. You get a clear record of what was inspected, what was found and what to fix first.

How we work
From first call to a maintained electrical system
Callback and scoping
A licensed electrician reviews your site, equipment list and any insurer or audit requirements.
Site survey
We walk the electrical rooms, record equipment and set priorities with your maintenance or property team.
Planned work
Inspections, testing and scans are booked around your shutdowns, shifts and tenant hours.
Written report
Findings with photos, thermal images, test values and a ranked list of repairs.
Who we work with
Built for the people responsible for uptime

Plant and maintenance managers
Shutdown planning, motor and MCC testing, and troubleshooting that keeps lines running.
Learn more
Property managers
Annual scans, electrical room maintenance and tenant fit-out support across your portfolio.
Learn more
Clinic and dental office owners
Clean, code-compliant installs for new clinics, renovations and equipment changes.
Learn moreQuestions
Questions about hiring KCS Group
Hiring KCS
What makes KCS an industrial and commercial electrical contractor rather than a general electrician?
Our work is focused on plants, commercial buildings and clinics: preventive maintenance, testing, infrared electrical inspection, arc flash studies and the repairs that follow. We plan to CSA Z463 and CSA Z462, hold COR and platform prequalification, and report in a format maintenance and procurement teams can file. Residential service calls are not the focus of this business.
How can I confirm that KCS Group licence #7014042 is valid with ESA?
Search for 7014042 or KCS Group Ltd on the ESA contractor locator, which shows the licensee name and status. ESA advises every buyer to ask for an ECRA/ESA licence number before hiring, and you can also confirm by calling ESA at 1-877-ESA-SAFE. Our licence number appears on our website, quotes and reports.
Is KCS Group COR certified and approved on ISNetworld, Avetta and ComplyWorks?
Yes. KCS holds a Certificate of Recognition (COR), which IHSA grants in Ontario after an audit of the safety management system, and we are prequalified on ISNetworld, Avetta and ComplyWorks. If your company uses one of those platforms, send us your client or site code and we will connect our profile to your account.
Does KCS carry commercial insurance and WSIB coverage for work on our premises?
Yes. KCS is commercially insured and WSIB covered. We provide a certificate of insurance on request. For construction work, WSIB policy requires a principal who directly retains a contractor to obtain a clearance certificate, which is valid for up to 90 days and can be renewed, so we expect clients to request one before work starts.
How long has KCS Group been in business as an electrical contractor?
KCS Group has been in business for 15 years. Over that time the company has concentrated on keeping commercial and industrial power systems maintained, tested and scanned, along with clinic and dental office electrical work, from its base in Aurora, Ontario.
Who carries out the work when KCS is hired for a plant or building?
Our own licensed electricians do the work, under KCS Group's ECRA/ESA contractor licence, and a Level II (or higher) thermographer handles any infrared scanning. The crew follows our COR-audited safety program, including lockout and tagging under O. Reg. 851 and CSA Z462 procedures for energized tasks.
Services and programs
Which electrical services can KCS deliver under one maintenance contract?
One contract can cover preventive maintenance, inspections, electrical testing, infrared electrical thermography, arc flash studies and the repairs those visits identify. Contracts can run for a single building or a group of sites, with a report after every visit, and contract holders gain our emergency response arrangement.
Can KCS repair the problems that an infrared scan or test finds?
Yes. Because KCS is a licensed electrical contractor, the same team that writes the report can quote and complete the repair, then re-scan or re-test to confirm the fix. That avoids the gap that appears when a scan-only firm hands a report to a different contractor who has to rediscover each problem.
Does KCS also install and upgrade electrical systems or only maintain them?
Both. Alongside maintenance and testing, we carry out repairs, equipment replacements, upgrades and fit-outs, including medical clinic and dental office renovations. Installation work is filed with ESA through an electrical notification where Ontario rules require one, and it is documented in the same reporting format as our maintenance visits.
Which standards do KCS maintenance and testing reports refer to?
Reports refer to the Ontario Electrical Safety Code, CSA Z463 for maintenance and CSA Z462 for electrical safety. Test values are recorded against ANSI/NETA MTS for gear in service or ANSI/NETA ATS for new installations, and NFPA 70B is referenced where your insurer or corporate standard requires it. Each finding notes the document it relates to, so your team can trace why a repair was recommended.
Does KCS look after ESA notifications for the work it performs?
Yes. In Ontario the licensed contractor is responsible for notifying ESA of its electrical work, and KCS files those notifications for every job that needs one. A few tasks are treated differently, for example manufacturer repairs that leave branch wiring untouched, and we explain which rules apply before work starts.
Scheduling and coverage
Can maintenance be scheduled around our production shifts and tenant hours?
Yes. Infrared surveys and walk-through checks happen with the equipment in service. Offline tasks such as insulation resistance and breaker testing need the equipment de-energized, so we book them into your planned shutdowns, weekends or quiet hours. Large programs are usually split into phases so only part of the site is down at a time.
Does KCS offer emergency electrical response in Toronto and the GTA?
Our emergency response is reserved for sites under a KCS maintenance agreement, because we already know their equipment, drawings and access arrangements. Everyone else is welcome to phone the office during opening hours or request a callback through the website.
Which parts of Toronto, the GTA and Ontario does KCS serve?
Our crews are in Toronto and every GTA municipality, among them Oshawa, Whitby, Markham, Newmarket, Aurora, Vaughan, Brampton, Mississauga, Oakville, Milton, Burlington and Hamilton. Further afield we serve Barrie, Kitchener-Waterloo, Cambridge, London and Ottawa, plus other Ontario locations within multi-site programs.
What hours can we reach the KCS office by phone?
Someone picks up the phone every day of the week, between 9 a.m. and 9 p.m. Dial (647) 979-0549 or (866) 845-8064 from outside the local area, or write to info@KCSGroup.ca. Website requests that arrive overnight are handled first thing the next morning.
Clinics
Does KCS work in medical clinics and dental offices as well as plants?
Yes. We handle electrical fit-outs, renovations and equipment power for medical clinics, medical office buildings and dental offices. That work falls under the health care rules of the electrical code, and we coordinate with the clinic's designer, general contractor and equipment suppliers so circuits match each manufacturer's installation requirements.
Will KCS help our dental office through the X-ray approval forms under HARP?
Yes. We help dental and medical clinics put together the X-ray registration and installation approval documents, alongside the electrical work for the unit. The clinic owner remains the applicant, and installation can only go ahead once XRIS has approved the plan in writing, so we recommend starting that paperwork early in the project.
Getting started
How do we start a project or maintenance program with KCS Group?
Request a callback or call (647) 979-0549. A licensed electrician will ask about the site, the equipment and any insurer or audit requirements, then arrange a site survey if needed. From there we propose a scope and schedule in writing, so you know what will be done and when before any work begins.
Related services
Related services

Electrical Preventive Maintenance
A written program of scans, cleaning, tightening and tests for switchgear, panels and transformers, aligned with CSA Z463 and NFPA 70B.
View service
Infrared Electrical Thermography
Thermal scans of energized switchgear, panels and motor controls by Level II thermographers, with rated findings and repairs by licensed electricians.
View service
Electrical Testing Services
Measured tests on breakers, cables, transformers, relays and generators, recorded so results can be trended visit to visit.
View service
Industrial Electrical Services
Industrial electricians for GTA plants: repairs, machine hookups, troubleshooting and shutdown work under a COR certified safety program.
View service
Commercial Electrical Maintenance
Commercial electricians for property managers: building maintenance, tenant work, infrared scans and records for GTA properties.
View service
Arc Flash Study
Arc flash assessment, incident energy results and CSA Z462 arc flash labels so your electricians know the hazard at every piece of gear.
View service
Request a callback
Plan your next electrical maintenance program with KCS
Tell us about the site and the equipment. A licensed electrician reviews it and calls you back.
- ESA/ECRA licence #7014042
- COR certified, ISNetworld, Avetta and ComplyWorks
- Work planned around shutdowns and tenant hours
- Emergency response for maintenance-contract clients
Send your request
We reply during business hours: Open daily, 9 a.m. to 9 p.m.
