TOSNL is independent Calibration and Mechanical Engineering Company.

As well as they are free from commercial, financial and other pressures, which might influence her technical judgement. TOSNL will not engage in any activity that may endanger the trust in her independence of judgement and integrity in relation to calibration / testing and mechanical work.

Trisenb Oil Services is a progressive company

Promoted by a group of qualified Engineers and Technicians having rich experience of over 17 years in calibration, testing and Mechanical Engineering services.

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We provide value for money to our customers

Execute calibration and integrity testing services at very low price If you compare our rates vs. cost of project execution by our team members

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Trisenb Oil Services Nig. Ltd.

Trisenb Oil Services has been trained on enhancing skills of internal audit for IEC/ISO 17025 - 2015 general requirements for the competence of testing and calibration laboratory. Trisenb Oil Services has put in place quality system as derived from ISO 9001: 2015 (‘Criteria Regarding Company Management for the Quality and Company System’). Satisfying the norm. API Q1 9TH EDITION specification for quality management system requirement. As a result, TOSNL has developed a strategic plan, quality policy, vision, mission and goals. Defines Calibration as à “Precision and Reliability of Instruments for better tomorrow”

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Quality Policy

We at TRISENB OIL SERVICES NIGERIA LIMITED are committed to achieve total customer satisfaction and thereby achieve leading name in the field of calibration and Testing and Mechanical Engineering services. We shall achieve this by: • Developing good professional practices and providing calibration and testing facility that have desired quality in accordance with customer requirements / reference standards to create environment of trust with our customer, • Maintaining accuracy, precision and reliability of calibration, testing and mechanical engineering services through maintaining standards, • Achieving required quality of services as per expectation of customer, • Creating culture and environment of excellence that encourage our employees, • Complying with the requirements of ISO/IEC 17025:2005 and ISO 9001 : 2015 and continually improve the effectiveness of the management system,