TMD Energy is a Malaysian marine fuel supplier, or "bunker" supplier, that sells and delivers fuel to ships transiting Malaysian waters. The company buys marine fuel — primarily marine gas oil (MGO) and low sulfur fuel oil (LSFO) — from suppliers, then physically transfers it to customer vessels at sea or in port using its own fleet of 15 bunker tanker vessels. Customers are commercial ship operators of all types that need to refuel while calling at or passing through Malaysian ports. Bunkering contributes more than 99% of revenue; the company also provides minor ship management services for third-party vessels owned by its parent group, Straits Energy Resources. TMD Energy's business model is a classic commodity distribution spread — it earns the margin between what it pays for fuel and what it charges customers. Revenue is driven by volume sold (in metric tons) and prevailing oil prices, since bunker fuel prices are benchmarked to global oil markets. Margins per ton are thin, meaning small swings in volume or cost have an outsized impact on profitability. The company funds fuel purchases through short-term trade finance facilities from Malaysian banks, making interest expense a meaningful drag on earnings. Operations are concentrated in Malaysia, which accounts for roughly 89-92% of revenue, with a small and growing presence in Hong Kong. The company carries significant customer concentration risk — a single unnamed customer accounts for over 90% of revenue — as well as supplier concentration and a thin balance sheet with a working capital deficit.