O.K. ISOKARIARI & SONS (NIGERIA) LIMITED was established in 1970 as a Non-Limited Liability firm.

Following its growth and success, the business was incorporated as a Limited Liability Company in 1972. It has over the years built a track record of efficiency, competence, real time and value added services to its varied clients. O.K. ISOKARIARI & SONS (NIGERIA) LIMITED has expanded to meet the needs of the region as the demands for improved infrastructures increase. Our reputation is based on professionalism, the capacity to plan, to design, to construct, and to maintain a variety of Engineering, Procurement and Construction projects to the satisfaction of our clients.

We pride ourselves in our experience and expertise to mobilize and commence projects within and outside Nigeria in record time while still retaining our commitment, strength and unmatched quality service delivery.

Our Core Values

At O.K.ISOKARIARI & SONS (NIGERIA) LIMITED, our core values are Quality, Professionalism, Team Work, Timely delivery and Integrity.


Our vision is to be a preferred choice in the DELIVERY of QUALITY ENGINEERING services in Nigeria and in the West African Region.


And our Mission, is to promote continuous research, innovation and good governance.

Our History Timeline

Established, 1970

We Were established in 1970 as a Non-Limited Liability firm

In 1972

We were incorporated as a Limited Liability Company

Present Time

We provide the highest-quality end products to our customers

Social Responsibility

As key to the continuous success of O. K. Isokariari & Sons (Nigeria) Limited, we take our responsibilities to a wider community. Our community links are symbolized by the cenotaph donated by the company to the people of Rivers State which stands in Port Harcourt’s Isaac Boro Park.

Also, to mark the city’s centenary and as a tribute to the people of the city, we built the King Amachree Memorial Hall in Buguma City main square at Buguma in Asari Toru L.G.A of Rivers State.

The health and prosperity of the local community is considered a thing of high importance, because of its direct effect on our operations. Each year, O.K. Isokariari & Sons (Nigeria) limited puts aside a share of its business profits for distribution to nominated charities and community development projects.

Nigerian Content

At O.K. ISOKARIARI & SONS (NIGERIA) LIMITED, we are committed to enhancing Nigerian content with all our projects flowing from our renowned standards and high principles. We fully comply with the Nigerian Local Content Development Policy as required by law.

We promote the improvement of our Nigerian workforce by encouraging training, both locally through in-house training programs and also by sponsoring personnel to the facilities of our affiliates. We also encourage the procurement and use of local raw materials from our immediate environment.

We endeavor to wherever possible, recruit Nigerian personnel resident in, or belonging to the same or nearest area to where the works or services are carried out.

Top Management

O.K. ISOKARIARI & SONS (NIGERIA) LIMITED is managed by a team of Directors and boasts of a dedicated body of staff, to meet the growing needs of the region as the demands for improved services increase. Our work force enables us thrive with our capacities built over the years.


Managing Director


General Manager


Technical Manager


Workshop & Fleet Manager