POPULAR Services

Pipeline InspectionPipeline Integrity and Maintenance
Proactive maintenance is crucial to avoid major problems.
Pipeline PermittingState and Federal Permitting
Conduct permitting for Army Corps, Local Water Authority, Coast Guard, GLO and EPA.
Non-destructive pipeline testNDT Inspection and Repair
Non-destructive testing enables the inspection of components without altering the structure..
Pipeline diversEnvironmental Clean-Up
CSU has the ability to conduct rapid environmental clean-up.

Pipeline RepairIntegrity Digs

CSU utilizes internal inspection tools that travel inside pipelines to collect data and evaluate conditions of pipelines. In some cases, the inspection tool locates a feature that requires a visual inspection via excavation to determine if a repair or other action is required.

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Multi-beam Hydrographic SurveyingNew Construction and Fabrication

CSU has the equipment, manpower, resources, and expertise to complete main line installation of gas transmission, liquid, and products lines up to 42inch, launcher and receiver fabrication new station and pipe line fabrication in any part of the country.

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2014 Pipeline Conference
San Antonio, Texas
The Energy Exposition
Billings, Montana




Pipeline Repair

  • Pipeline Mainteance

  • Integrity Dig

  • Land Integrity Dig

  • NDT Repair

  • Bulkhead Repair

  • NDT Inspection


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CSUhas long been the premier diving contractor in the United States for all pipeline inspection, repair, and construction. Today, CSU has grown and employs the personnel and management to act as your general contractor or turnkey design build firm for all pipeline and general civil construction and repair.

Use this short form to tell us more about your project and a CSU engineer will contact you with estimates and a FREE project consultation.





Pipeline Repair

Pipeline defects and anomalies from damage or corrosion are of extreme importance to oil and gas operators. Proactive maintenance avoids losing pipeline capacity... (more)


Pipeline Bank Stabilization

CSU utilizes historical data charts and flow readings to map the waterway over time. With this data, CSU has the ability to stop erosion and even move the waterway course... (more)


Pipeline Fabrication

Our new construction and fabrication facility in Corpus Christy, Texas provides pipe line fabrication and hundreds of other ancillary products... (more)