Core Insights - Optex Systems Holdings (NASDAQ: OPXS) operates primarily in the optical sighting systems market, focusing on military and defense revenues while also having a presence in the commercial sector [1] Group 1: Company Overview - The company is either the sole or primary provider in its market segment, which gives it a distinct competitive advantage [1] Group 2: Market Position - The military and defense segment is the predominant source of revenue for Optex Systems, indicating a strong reliance on government contracts and defense spending [1]