A cable management system includes first and second beams spaced-apart from one another and extending in generally parallel orientation relative to one another. A plurality of brackets are supported by and extend between the first and second beams in stacked orientation relative to one another. The plurality of brackets is configured to retain a row of cables between each adjacent pair of stacked brackets. Each bracket of the plurality of brackets includes a plurality of cable receptacles. Opposing cable receptacles of each adjacent pair of stacked brackets are configured for inter-fit engagement with one another in offset, overlapping orientation to retain a cable of the rows of cables therebetween.