Trinidad and Tobago's preferred Electrical and Instrumentation Contractor

OJ’S Electrical & Instrumentation Services

About Us

30+ Years of Trusted Engineering & Industrial Services

OJ’s Electrical & Instrumentation Services Limited is a well‑established provider of electrical, instrumentation, mechanical, plumbing, HVAC, scaffolding, and industrial support services to commercial and industrial clients across Trinidad & Tobago, the Caribbean, South America, Asia and Russia.

Founded in 1995, we have built a strong reputation for delivering safe, reliable, and high‑quality project execution across the oil & gas, petrochemical, infrastructure, marine, and commercial sectors. Our services cover the full project lifecycle—from planning and procurement to installation, testing, commissioning, and maintenance.

With over 10 million man‑hours worked without a Lost Time Injury, STOW‑TT certification, and proven experience on complex brownfield and greenfield projects, OJ’s is a trusted partner for clients who value technical excellence, safety, and on‑time delivery.

Our Services

We deliver a comprehensive range of electrical and instrumentation solutions tailored to the demands of the energy, oil and gas, and industrial sectors.

Integrated Engineering & Industrial Solutions You Can Rely On

OJ’s Electrical & Instrumentation Services Limited delivers a comprehensive range of engineering, construction, and industrial support services for commercial developments, infrastructure projects, and heavy industrial facilities. Our strength lies in managing complex scopes safely, efficiently, and in full compliance with international standards.

Electrical & Instrumentation Services

We provide end‑to‑end electrical and instrumentation solutions, including installation, testing, commissioning, upgrades, and maintenance for industrial and commercial facilities. Our experienced teams support both greenfield and brownfield projects, shutdowns, and plant turn-arounds.

Mechanical, Plumbing & HVAC Services

Our integrated mechanical, plumbing, and HVAC services support reliable building operation and process efficiency. From chilled water systems and ventilation to commercial plumbing installations, we deliver coordinated MEP solutions tailored to each project’s requirements.

The only place where you’ll get the perfect solution for all your industry needs.

Our Contributions

Industries We Serve!

Supporting Critical Industries with Proven, Safe Execution

OJ’s Electrical & Instrumentation Services Limited provides specialized engineering and industrial services across a wide range of sectors. Our experience spans large‑scale industrial facilities, complex infrastructure developments, and commercial projects, delivered safely and efficiently in high‑risk environments.

Oil & Gas & Petrochemical

We support oil & gas operations with electrical, instrumentation, mechanical, scaffolding, and shutdown services. Our teams are experienced in greenfield and brownfield upgrades, turnarounds, commissioning, and maintenance within live plant environments.

Power Generation & Utilities

OJ’s delivers electrical and instrumentation services for power plants, utilities, solar farms/projects, and energy infrastructure projects, including installations, upgrades, testing, and commissioning in compliance with industry standards.

Infrastructure & Marine Facilities

We provide integrated services for onshore and offshore oil & gas operations, ports, terminals, marinas, and large infrastructure developments, supporting mechanical, electrical, plumbing, and auxiliary systems essential to modern facilities.

Commercial & Institutional Developments

Our commercial experience includes office complexes, laboratories, resorts, correctional facilities, shipping ports, and public buildings. We deliver coordinated MEP, tailored to performance, safety, and long‑term reliability.

Engineering & Construction

We work closely with industrial and processing facilities to deliver electrical, instrumentation, mechanical, plumbing, and scaffolding services for new installations, upgrades, plant relocations, and routine maintenance.