Orion Interiors | Orion Interiors Inc Orion Interiors, Inc. is a full-service union carpentry contractor specializing in both interiors and core and shell. Established in 2007; Orion has built over 7 million square feet in the … Orion Interiors, Inc. is a full-service union carpentry contractor specializing in both interiors and core and shell. Established in 2007; Orion has built over 7 million square feet in the …