Protecting Cargo Value During Marine Loading Operations
20+
Years of Marine Services Excellence With Quality At It's Best
What We Do
Onboard Blending Control, Marine Loss Control, and Cargo Expediting for Petroleum Traders and Operators
In marine petroleum operations, small execution gaps can create major commercial exposure.
Off-spec cargo. Quantity discrepancies. Delays. Claims.
SGM operates onboard as an independent control layer — actively monitoring and managing cargo operations to protect your position throughout the loading process.
We don’t just attend vessels.
We control execution where it matters.
Onboard Blending Control
Execution and real-time monitoring of blending operations to ensure final product meets specification.
- Multi-grade blending supervision
- Additive injection verification
- Tank transitions and step control
- Line displacement management
Outcome: Prevent off-spec cargo and reblending costs
Marine Loss Control
Independent cargo quantity oversight to minimize discrepancies and protect commercial exposure.
- Ship vs shore reconciliation
- Line fill verification
- Early discrepancy detection
- Claim-support documentation
Outcome: Reduce shortages and defend your position
Cargo Expediting
Active coordination between vessel and terminal to prevent delays and maintain flow.
- Real-time issue resolution
- Loading optimization
- Delay tracking
- Communication control
Outcome: Faster operations and cleaner demurrage
Additive Injection & Chemical Treatment
Chemical supply, inline injection, and onboard treatment for marine petroleum cargoes.
- Additive supply and injection
- Dosage verification
- Injection monitoring
- Operational supervision
- Cargo treatment support
Outcome: Improved cargo quality, specification compliance, and smoother operations.
Why SGM?
SGM Group was established in 2024 by maritime professionals with over 80 years of combined experience in petroleum cargo operations, marine loss control, onboard blending, tanker logistics, and marine petroleum transportation.
Our team brings decades of hands-on operational expertise across the U.S. Gulf Coast, Houston Ship Channel, Caribbean, and international marine petroleum markets, supporting complex cargo movements with practical field knowledge and real-time operational oversight.
SGM specializes in cargo expediting, onboard blending, additive injection management, and marine loss control services – helping customers protect cargo quality, reduce delays, improve operational transparency, and minimize commercial exposure during marine petroleum transactions.
We combine direct vessel-to-terminal coordination, continuous cargo monitoring, and immediate response to operational deviations to keep operations moving safely and efficiently while supporting customers’ commercial objectives.
Our personnel include experienced Captains, Chief Officers, Marine Cargo Superintendents, and petroleum cargo specialists who understand both shipboard operations and terminal logistics. We do not simply observe operations – we actively coordinate and support them to help prevent problems before they impact the cargo transfer process.
At SGM, our mission is to provide reliable operational support, practical solutions, and professional service built on real industry experience.
Execution Control for Tanker Operations
Our team works directly with vessel crew, terminal operators, and inspectors to ensure operations are performed correctly – and adjusted in real time when required.
Oil & chemical tanker loading
Ship-to-ship (STS) operations
Onboard blending execution
Additive integration and monitoring
Reach out to us!
Have an upcoming marine cargo operation?
Please fill out the form below and our operations team will contact you regarding your service request.
Whether you require cargo supervision, onboard blending, additive support, STS coordination, or operational assistance, SGM Group provides reliable, real-time support to help ensure your loading, blending, and cargo operations are executed safely, efficiently, and within specification while protecting your commercial interests across the Houston Ship Channel, Gulf Coast, Caribbean, and international markets.