Per Serving: 30 calories. Home to Mario olives in the sun-drenched groves of the Mediterranean, the Camacho family has grown and prepared olives for over a hundred years. Enjoy the natural buttery taste of Mario green ripe olives. Just pop the top and discover simply natural goodness, the way nature intended. Satisfaction guaranteed 1-800-293-9783. join the conversation! Facebook/MarioOlives. www.marioolives.com. Product of Spain.