Orion was a massive brand; they frequently pop up in local hobbyist auctions.
Sites like Cloudy Nights Classifieds or Astromart are the gold standard for well-maintained gear.
Many Orion telescopes were actually manufactured by a company called . If you can't find a specific Orion model (like the SkyQuest Dobsonians), look for Sky-Watcher equivalents. They are often nearly identical in optics and build quality.
Since the factory doors are closed, your best bet is the secondary market or remaining third-party stock:
Some specialized hobby shops may still have "New Old Stock" (NOS) in their backrooms, though these are thinning out fast. 🔭 Pro-Tip