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At St. Clair Mechanical, we're not just equipped for success – we're built for it.

Our team brings unparalleled expertise and knowledge to every aspect of electrical construction.

Years of experience in the industry
Years of experience for Fiber Optic and Communications field officers
Full-time certified electricians

Industries Served

Oil and Gas Industry

  • High, Medium, and Low Voltage Systems Installations
  • Electrical & Pneumatic Instrumentation Installations
  • Power Generating Stations
  • Grounding & Lightning Protection
  • Fire Alarm & Security Systems
  • Solar Power Installations and Maintenance
  • Plant Maintenance
  • Shut Down & Turn Around Projects
  • Commissioning and Startup Support
  • Design Build Projects
  • Project Management Services
  • Planning/Scheduling (Primavera P6/MS Project)
  • QA/QC
  • Electrical Heat Trace Systems Installation and Maintenance
  • Cathodic Protection System Installation and Monitoring
  • Hazardous Area Classification and Electrical Equipment Selection
  • Remote Monitoring and Control Systems Implementation



St. Clair Mechanical Electrical Division provides comprehensive electrical services tailored for efficiency and reliability in the oil and gas, commercial, and residential sectors. Our skilled electricians specialize in the design and installation of electrical systems for processing facilities, refineries, and various building applications, ensuring optimal performance and safety. We also offer expert maintenance and repair of electrical equipment, enhancing system durability and preventing downtime.

  • Design and installation of electrical systems for oil and gas processing facilities
  • Maintenance and repair of electrical equipment in refineries and petrochemical plants
  • Design and installation of electrical systems for commercial and residential solutions
  • Maintenance and repair of electrical equipment in commercial and residential applications


St. Clair Mechanical excels in precision instrumentation services, vital for the efficient operation and control of processes within refineries and industrial settings. Our experienced technicians specialize in the installation and calibration of instrumentation devices, ensuring accurate monitoring and seamless integration with process control networks. This meticulous attention to detail promotes enhanced operational efficiency and system reliability.

  • Installation and calibration of instrumentation devices in refineries
  • Integration of instrumentation systems with process control networks

Fiber Optic / Communications

Our Fiber Optic and Communications division provides cutting-edge design and installation of fiber optic and copper communication networks, crucial for robust data transmission in oil and gas facilities, refineries, and commercial environments. We also offer comprehensive testing, troubleshooting, and emergency repairs of fiber optic cables to ensure peak performance and reliability under all conditions.

  • Design and installation of fiber optic and copper communication networks
  • Testing and troubleshooting of fiber optic cables
  • Emergency fiber optic repair

Panel Fabrication

St. Clair Mechanical Electrical Division offers custom panel fabrication services tailored to meet the needs of refinery expansions and industrial automation. Our custom electrical control panels are designed to integrate seamlessly with existing industrial processes, enhancing both efficiency and productivity. Our expertise ensures that each panel is built to the highest standards, ready to meet the rigorous demands of modern industrial operations.

  • Custom fabrication of electrical control panels for refinery projects
  • Integration of control panel systems with industrial automation processes

Equipment & Equipment Capabilities

St. Clair Mechanical’s Electrical Division is equipped with state-of-the-art machinery and tools to meet the unique needs of the oil and gas, refinery, commercial, and residential sectors, ensuring precision, efficiency, and exceptional results.

Our extensive fleet includes:


Our fleet features (6) Pitman cranes, (4) 80-ton RT cranes, (1) 90-ton RT crane, and (1) 250-ton AT crane, providing versatile lifting solutions for various project demands.


Our (4) versatile telehandlers range from compact to heavy-duty models, adept at lifting, transporting, and maneuvering on diverse construction and industrial sites.

Skid Steers

Equipped with various attachments, our (4) skid steers perform grading, landscaping, and material handling tasks with agility and precision.


Our (3) mini excavators are agile, powerful, and equipped with versatile attachments, ideal for detailed excavation tasks in tight spaces.


With (4) multifunctional backhoes, we provide comprehensive digging, lifting, and loading capabilities for a variety of construction applications.


Our fleet includes (4) compactors—vibratory rollers, plate compactors, and pneumatic compactors—ensuring effective soil compaction for any project.

Haul Trucks

Our fleet of (4) tri-axle dump trucks and (1) live bottom truck efficiently transports materials such as soil, gravel, and debris, supporting various construction needs.

Float Trucks and Trailers

Our (5) float trucks and over (20) trailers provide efficient transport and seamless logistics for heavy and oversized equipment to and from job sites.

Steel Access Matting

With (6000) units available, our steel access matting provides stable, temporary access over unstable terrain, enhancing site safety and efficiency.

Tool Trailers

St. Clair Mechanical maintains (2) tool trailers stocked with a wide range of construction and electrical tools to support diverse project requirements.


Our inventory includes (3) generators (two 25KV and one 75KV) that deliver reliable power for uninterrupted operations at construction sites and remote locations.

Light Towers

Our (6) light towers are crucial for enhancing visibility and safety during construction, maintenance, and repair activities in low-light conditions.


We offer (3) scissor lifts and (3) articulating boom lifts, providing safe and efficient access to elevated work areas for various construction and maintenance projects.

Cable Pulling Equipment

This includes tools like cable pullers, sheaves, rollers, and tensioners essential for installing and pulling electrical cables in various installations.

Electrical Testers and Measurement Devices

Our electrical testers and meters ensure circuits meet safety standards by testing electrical circuits, insulation resistance, and continuity.

Power Tools

A range of power tools such as drills, saws, grinders, and hydraulic crimping tools are used by electricians to manipulate electrical components and conductors.

Conduit Benders and Threaders

These tools are vital for bending and threading conduits, ensuring safe routing and protection of electrical wiring.

Fiber Optic and Communications

Featuring state-of-the-art splicing, terminating, and testing equipment, operated by certified technicians with over 20 years of experience.

Our Esteemed Clients

With a commitment to innovation, safety, and quality, our electrical division collaborates seamlessly to deliver exceptional results for our clients.

Safety and Environmental Commitment

At St. Clair Mechanical’s Electrical Division, health, safety, and environmental protection are core elements of our operational philosophy. We maintain a zero-incident work environment, with safety as a key part of our culture and business practices.  

Our Health and Safety Program includes:

  • Pre-hazard assessments for all projects.
  • Regular safety meetings and daily onsite briefings.
  • A full-time, certified Safety Supervisor.
  • Ongoing safety audits and management field visits.
  • A robust HSE program and continuous employee training.

Environment Policy

We are dedicated to minimizing our environmental impact through responsible management practices that exceed standard legal requirements. Our proactive approach includes:

  • Collaborating with clients to set realistic environmental standards.
  • Training employees to operate in environmentally responsible manners.
  • Our environmental team ensures compliance with regulations and oversees mitigation strategies, reinforcing our commitment to environmental excellence.

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Electrical Expertise Unleashed

Powering Infrastructure Development

Discover how our comprehensive electrical services can enhance your project’s efficiency and reliability—contact us today.