Indoor farming startups are expanding their facilities along with partnering with retailers to achieve economies of scale. The initiative is an advanced measurement taken by various startups to deal with the expected food shortages. An operator of indoor vertical farms, Plenty, partnered with Walmart to provide green vegetables across its California stores. The startup raised $400 million in the Series E funding participated by One Madison Group, JS Capital, and SoftBank. Other startups working in the same niche include Bowery Farming, providing fresh items to Albertsons, Whole Foods, and Walmart.