<ul data-eligibleForWebStory="true"><li>Five companies are highlighted for their enduring success over two decades or longer.</li><li>Positive ID Labels expanded by focusing on reliable customer service and product knowledge.</li><li>Nintendo transitioned from a playing card designer in the 19th century to a major gaming empire.</li><li>Stoats Porridge Bars introduced novel cereal bar concepts focused on nutrition for adults, now widely available.</li><li>Dr Martens, known for work boots, gained popularity with various subcultures and continues to evolve.</li><li>Horizon Discovery specializes in gene editing for research and clinical applications, showcasing significant growth.</li></ul>

5 Companies Weathering the Test of Time

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