Dedicated Teams & Professional Services

Our effective presence ensures the timeliness, cost efficiency and compliance adherence required to ensure your project timelines are met.


We provide full-service, turn-key teams or individual, specialized inspectors to address your specific needs. Our staff can be involved from day one or inserted “along the way” to improve the process.

Our inspectors have significant, previous experience operating and maintaining similar assets and bring to each project a wealth of knowledge in multiple disciplines, industry codes, industry standards, and client-specific standards.

Pre & Post Weld Heat Treatment

In addition to being a reputable provider of NDT and Inspection services NEST has the capability to undertake the Pre and Post Weld Heat Treatment of welded components using electrical heating elements and insulating blankets.

As the agent for a major manufacturer of Heat Treatment equipment and consumables, NEST is in an ideal position to provide prompt and cost-effective service. The full range of pipe diameters as well as small pressure vessels, in both carbon and alloy steels, can be accommodated

Hydrostatic Testing

Hydrostatic testing is the most common procedure used to qualify newly manufactured cylinders, spheres, tubes and pipe spools used for the transportation of dangerous goods. Hydro testing is also required periodically to re-qualify these pressure vessels for continued service.

Non-destructive Testing Services

The general definition of Non-Destructive Testing is an examination, test, or evaluation, performed on any type of test object; without changing or altering that object in any way, in order to determine the absence or presence of discontinuities that may have an effect on the usefulness or serviceability of that object.

In other words, NDT is testing and evaluating materials, without causing damage or destruction to the material. For example, the testing of a mechanical component for strength, without weakening the component or making the component useless.

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Pipeline Radiography (Crawler)

The new X-ray Pipeline Crawler is suitable for both onshore and offshore working environments. In the normal configuration, it can be operated in pipe diameters from 510 mm (20″) to 1420 mm (56″), but can easily be reconfigured to work in the range of pipe sizes from 400 mm (16″) up to 1830 mm (72″).

The crawler consists of lightweight modules that can be easily transported to the pipe end and quickly assembled. The total weight of the assembled crawler is significantly less than other similar-sized models.

The unit features full remote control operation of the motor, park and expose modes from outside the pipeline. Once loaded into the open end of the pipe, the crawler is completely self-contained and does not need any external connections.

Depending on operating conditions, the crawler can typically radiograph 100 welds in 24″ pipe with a 15 mm wall thickness, including motoring the 100 pipe lengths, before the battery pack needs changing.

Steel Structure
Specialize in providing complete solutions for pre-engineered steel buildings, steel structures, steel components and so on.
Pipeline Fabrication
We have a strong record of pipes laid in many countries under the most difficult environmental and logistical conditions.
In our long history, NAYA has established key relationships with major pipe manufactures which can reduce costs for the owner.
Tank Fabrication
Every tank we build is a custom project, designed and fabricated to perform a specific function due to our clients needs.

Case Studies