The Secondary Spill Containment market comprises engineered solutions—such as berms, dikes, and containment trays—that capture and control accidental releases of liquids from primary storage systems, safeguarding personnel, equipment, and the environment. This market is pivotal for industries handling hazardous fluids, where containment failures can trigger costly clean‑up, regulatory penalties, and reputational damage. Secondary Spill Containment market size was estimated at $1.9 billion in 2025, and the market forecast projects a CAGR of 6.5% through 2033, underscoring a robust growth outlook driven by tightening environmental legislation and heightened ESG commitments. The scope covers all product types, applications (oil & gas, chemicals, water treatment), and end‑users across North America, Europe, and Asia‑Pacific, reflecting the broader trend of industry expansion in spill mitigation technologies.