Anyone who even remotely observes the economy or the stock market has likely heard of the so-called "Magnificent Seven." These industry-leading tech enterprises dominate their end markets, and they have historically made for tremendous investments.But given their massive market caps, investors might be turned off from wanting to buy them, assuming that they don't possess a lot of upside from this point forward. Luckily, there are other, more under-the-radar, businesses that should be on your watch list.Can ...