Core Thesis - Clean Harbors, Inc. (CLH) is positioned as a leading provider in hazardous waste disposal, with a strong growth outlook driven by regulatory needs and industrial demand [1][6] Company Overview - CLH operates the largest network of incinerators in North America, supported by a robust logistics system with over 20,000 vehicles and 5,000 drivers [2] - The company specializes in complex waste streams from various sectors, including semiconductor manufacturing and emergency response [2] Business Segments - The Safety-Kleen Sustainability Solutions (SKSS) segment focuses on used-oil recycling, which is more sensitive to global oil prices and has lower margins compared to core environmental services [3] - CLH's competitive advantage lies in its extensive network of incinerators and regulatory expertise, particularly in PFAS destruction, which is a growing market contributing $100–125 million in revenue with a 20% annual growth rate [3] Market Position and Competition - CLH competes with major firms like Veolia, Waste Management, and Republic Services but offers a more comprehensive service for industrial clients [4] - While organic growth has historically been low to mid-single digits, factors like PFAS demand and reshoring may provide additional growth opportunities [4] Financial Metrics - As of November 28th, CLH's share price was $227.56, with trailing and forward P/E ratios of 31.61 and 28.82 respectively [1] - The company has a run-rate free cash flow of approximately $400 million against an enterprise value of around $13.5 billion, indicating modest returns without further expansion or higher oil prices [4] Investment Considerations - The stock is viewed as fundamentally strong but may be overvalued, suggesting a cautious approach to investment until more attractive valuations emerge [5]