Insight Into Our At-Height, Subsea, and Confined-Space Inspection and Maintenance Services

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Working with many groups in the process, power, and infrastructure industries, we understand that many assets are located in difficult-to-reach areas, making traditional inspection services a challenge to perform. This difficulty can lead to undetected damages, and, consequently, a lack of proper maintenance.

At MISTRAS, our technicians are expertly trained in many access strategies including at-height, subsea, and confined space inspection and maintenance. Our services use a variety of safe and efficient access solutions to ensure that your assets are properly inspected and maintained. To assist in these access services, we employ methods such as:

  • Rope Access
  • Diving
  • Fall Protection
  • Unmanned Aerial Vehicles (UAVs) and Drones

Our technicians can safely and efficiently inspect and repair your assets on land, underwater, and in the air. We offer customizable solutions for a range of industries with inspection and maintenance access difficulties.


Many refining, infrastructure, wind, and alternative power facilities have at-height assets, making access and maintenance complex. For these industries, MISTRAS utilizes rope access teams as well as unmanned systems (e.g., UAVs and drones) for inspection and maintenance services. Our services include:

  • Assessing structural integrity with non-destructive testing (NDT) inspections
  • Identifying cosmetic damages
  • Detecting signs of erosion
  • Cleaning and removing debris
  • Repairing infrastructure
  • & more


Our subsea applications include inspection, maintenance, engineering, and environmental surveying services. Subsea inspections are often hazardous, remote, and difficult-to-reach, making these services all the more important to be performed by an experienced and certified technician. At MISTRAS, we train our technicians to ensure safe and efficient operations whenever they perform subsea inspection and maintenance services.

Confined Space

Many of our confined space services are primarily drone and rope-access based. This type of access allows us to limit confined space entry (CSE) and ensure safe operations. We often utilize drones as preliminary inspection tools, identifying areas of concern before sending technicians into hazardous spaces. By safely detecting issues using remote-controlled mechanisms, we’re able to create more detailed, targeted inspection and repair plans for our technicians.

Get the Best Access Services

At MISTRAS, we pride ourselves on offering customizable access solutions for a range of assets in various industries. We make access services possible for even the hardest-to-reach assets. Contact us today to learn how we can assist you in land, sea, and air with our inspection and maintenance services.