KnowraHorizontal integrationLinked fromLinked fromThe 6 pages that link to Horizontal integration, each with the reason it gives.All 6Related 5Compared with 1Vertical integrationCompared with: Unlike vertical integration, it expands control across competitors or peers at one stage.John D. RockefellerRelated: Standard Oil grew by consolidating competing oil refiners.Media concentrationRelated: It concentrates ownership when one company acquires competing outlets in the same medium.Standard OilRelated: Standard Oil expanded by acquiring competing oil refiners.Mergers and acquisitionsRelated: A buyer may acquire a direct competitor to expand market share or capacity.Robber baronRelated: Industrial consolidators used it to absorb or eliminate competing firms.