DEEP‑WATER SPECIALISTS

Subsea Engineering
Beyond the Horizon

Sectional Dion Sub delivers mission‑critical underwater solutions – from ROV piloting to deep‑sea construction. Trusted by offshore energy leaders and marine contractors worldwide.

2,500m+
Operating depth
47
Active vessels
24/7
Global response
Dive deeper Fleet capabilities

Core subsea operations

Precision, safety, and innovation at every depth

ROV Services

Work‑class and inspection ROVs with HD cameras, manipulators, and survey payloads for depths to 3,000m.

Cable & Pipeline Trenching

Jet trenching and mechanical cutting for subsea umbilical, cable, and pipeline burial.

Hydrographic Survey

Multibeam echosounder, side‑scan sonar, and geophysical mapping for route planning and inspection.

Technical edge

Our fleet includes six work‑class ROVs, three survey vessels, and a dedicated onshore engineering hub. We operate under DNV and IMCA standards with zero-LTI record over five years.

✔ IMCA certified ✔ 24/7 remote support

DP2 vessels

AI‑assisted navigation

Real‑time telemetry

IMCA + OGUK

Start your subsea project

Request a consultation or capability statement

Emergency & dispatch
+1 (713) 555-8947
24/7 global marine hotline
Commercial & technical
support@sectionaldionsub.us
Operational HQ
1415 West Loop South, Suite 820
Houston, TX 77027
USA