[Home](./index.md) > [bitburner](./bitburner.md) > [Corporation](./bitburner.corporation.md) ## Corporation interface Corporation API Signature: ```typescript export interface Corporation extends WarehouseAPI, OfficeAPI ``` Extends: [WarehouseAPI](./bitburner.warehouseapi.md), [OfficeAPI](./bitburner.officeapi.md) ## Methods | Method | Description | | --- | --- | | [expandCity(divisionName, cityName)](./bitburner.corporation.expandcity.md) | Expand to a new city | | [expandIndustry(industryType, divisionName)](./bitburner.corporation.expandindustry.md) | Expand to a new industry | | [getCorporation()](./bitburner.corporation.getcorporation.md) | Get corporation data | | [getDivision(divisionName)](./bitburner.corporation.getdivision.md) | Get division data | | [issueDividends(percent)](./bitburner.corporation.issuedividends.md) | Issue dividends | | [levelUpgrade(upgradeName)](./bitburner.corporation.levelupgrade.md) | Level an upgrade. | | [unlockUpgrade(upgradeName)](./bitburner.corporation.unlockupgrade.md) | Unlock an upgrade. |