A cradle clamp bracket assembly that secures cables to rungs of a ladder rack. The cradle clamp bracket assembly includes an elongated bracket having a first portion and a raised second portion. The first portion includes a slot located along the center of the first portion. The raised second portion includes a downwardly extending flange and at least one gsset to strengthen the bracket. The cradle clamp bracket assembly also includes a retainer that is received in the slot to engage the rung of the ladder rack.