What We Do

ONYX is a diversified pipeline services company based in Houston, TX that specializes in Pipeline Inspection, Maintenance, and Repair. ONYX partners with a broad range of clients across all energy sectors and environments including Land, Marsh and Underwater.

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Land Pipeline Services


Pipeline Inspections & Regulatory Compliance

Onyx's personnel are DOT qualified to perform inspections, maintenance, and repairs within regulatory requirements.

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Project Support

Onyx has experienced engineers and project managers with years of experience in pipeline and O&G industry.

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Maintenance: Pipeline, Facility & ROW

Preventative maintenance of pipelines and facilities is the key to decades of trouble free and uninterrupted service.

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Emergency Pipeline Services

Onyx professionals are always available 24/7 for our clients.

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Pipeline Construction

Onyx has the equipment, manpower, resources and expertise to construct pipelines of any size and length.

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Computer- Aided Design Services

Our in house CAD department will generate drawings of your pipeline profiles.

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Facility & Terminal Construction

Onyx is experienced in constructing pump, flow, compressor or meter stations.

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Additional Land Services

Onyx offers other complimentary services including ROW maintenance and inspection, land survey, and erosion control.

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Marsh & Underwater Pipeline Services


Pipeline Location and Depth of Cover Survey

Onyx provides depth of cover surveys anywhere pipelines cross waterways.

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Underwater Close Interval Survey

Onyx in house commercial divers have performs hundreds of pipeline corrosion surveys and provides accurate reports.

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Ensuring Underwater Pipeline Integrity

Upon identifying any abnormalities, Onyx generates a comprehensive plan for further inspections and mitigation.

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Washout Remediation & Bank Stabilization

A major key to protecting your water front property from washouts and erosion is to maintain, stabilize, and repair a riverbank.

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Navigable Waterway Inspection

Onyx in-house certified commercial divers insure that issues are identified and documented before they become problematic.

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Navigable Waterway Maintenance & Repair

Included in Onyx's services are harbor, dock, mooring dolphin, dredging, and terminal inspections, maintenance and repairs.

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Pipeline Decommission & Removal

Onyx's certified engineers and commercial divers team up to provide the best solution for decommissioning pipelines.

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Additional Marsh & Underwater Services

Additional services include dredging and jetting, welding & cutting, scour control, mat installation, and debris removal.

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We Work Where You Work


ONYX Services Inc. service area is vast and includes most of North America.

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Some Of Our Valued Clients


ONYX works with Downstream, Midstream, and Upstream Oil and Gas Operators. Below is a few of our valued clients.

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