noun
Business term referring to a company's control over multiple stages of production or distribution within the same industry.
その企業は垂直的統合によってコストを削減した。
The company reduced costs through vertical integration.
Horizontal integration, where a company expands at the same level of the supply chain, as opposed to vertical integration which covers different stages.
Compound of 垂直的 (vertical) and 統合 (integration), likely a calque from English 'vertical integration'.