Orion Air was created in 2004.
Orion Classics ended in 1999.
HMAS Orion ended in 1996.
Orion Airways ended in 1990.
SS Orion ended in 1979.
Orion F.C. ended in 1903.
Orion Pictures ended in 1998.
One.Orion doesn't "have constellations". Orion is a constellation.
Orion
Because it looks like the belt of the hunter Orion, as depicted in the stars of the constellation Orion.
Orion is a constellation made up in the minds of the ancients to represent "Orion" a hunter in mythology. The Orion Nebula is a diffuse nebula located south or Orion's belt. It is an area of extensive star formation. It is only called Orion Nebula as it is seen within the constellation of Orion. See related questions
The Orion telescopes are named after the constellation with the same name, the Orion constellation. The Orion constellation is named after the hunter in Greek mythology also with the same name, Orion.