Search on for Prominent Businessman, Son After Helicopter Goes Missing in Quebec

Coalition Avenir Quebec leader Francois Legault, left, is offered tomato's by owner of Biologico organic tomato greenhouse Stephane Roy and son Justin on August 16, 2012. A search is under way for Roy and his son, who did not return from a fishing trip in northern Quebec as planned. Graham Hughes/The Canadian Press

MONTREAL—A prominent Quebec businessman known for his exploits in the greenhouse tomato industry and his teenage son remained missing Friday after the helicopter they were travelling in failed to return from a fishing trip.

Stephane Roy is founder and president of Sagami Inc., which sells greenhouse tomatoes and strawberries under the Sagami and Savoura brands.