HEICO stands out as a high-quality compounder leveraging FAA-approved alternative parts to offer a 30% to 50% discount compared to original equipment manufacturers. The company's conservative balance sheet features a 1.6x net leverage ratio and nearly 19% insider ownership via the Mendelssohn family. Despite its premium valuation of roughly 30x EV to EBITDA, its business model carries low regulatory risk and offers sustainable multi-decade compounding.