. >> reporter: forms partnered with looumy text to make the switch to l.e.d.s, it's hoped that it willp to expand the crops behind l.e.d.s. >> they have developed l.e.d.s solutions for strawberries, peppers and tomatoes >> reporter: now the fish are here to help with the growth of the plant crops. will you farm the fish? >> eventually we will. we'll farm and sell the fish. we had some success selling fish to local restaurants, and as our scale grows and we have more fish to sell. we hope to sell to supermarkets as well. >> this is thai baseill, it has a different flavour. feel free to try. it's my favourite, actually. it smells different than italian baseill, doesn't it. >> yes. >> right now, there are only a handful of commercial indoor vertical farms in the united states, like farms here and green sense farms. the professor says he gets calls from growers wondering if they should jump in. >> on a commercial scale, where going. >> it's an expansion. these are niche markets. is there a limit to it. what about the traditional crops, like corn and saya beans and rice. >> all can be grown