The present application includes disclosure of various embodiments of composite construction beams and beam systems. In at least one exemplary embodiment of a composite construction beam of the present disclosure, the beam comprises an elongated shell having a length and an interior volume, wherein the elongated shell defines a first aperture. An exemplary construction beam further comprises a first conduit within the interior volume of the elongated shell, the first conduit having a curved profile extending along a longitudinal direction of the beam, and a second conduit within the interior volume of the elongated shell, the second conduit extending along at least a portion of the length of the elongated shell, wherein the first conduit and the second conduit are in communication with one another. In at least one embodiment, a construction beam of the present disclosure comprises a first flange positioned upon the elongated shell relative to the first aperture.