Who Trusts like Standard Oil became large mostly by?

Standard Oil became large mostly by employing aggressive business practices, such as undercutting competitors' prices to gain market share and establishing a vast network of refineries and distribution channels. It also utilized vertical integration, controlling every aspect of oil production, from extraction to distribution. Additionally, strategic alliances and mergers with smaller companies helped consolidate its dominance in the oil industry. This combination of tactics allowed Standard Oil to significantly reduce costs and increase its market power.