This U.S. industry comprises establishments primarily engaged in growing food crops (except mushrooms) under glass or protective cover.

• Alfalfa sprout farming, grown under cover
• Melon farming, grown under cover
• Fruit farming, grown under cover
• Vegetable farming, grown under cover
• Hydroponic crop farming

• Alfalfa sprout farming, grown under cover
• Bean sprout farming, grown under cover
• Cucumber farming, grown under cover
• Eggplant farming, grown under cover
• Endive farming, grown under cover
• English pea farming, grown under cover
• Escarole farming, grown under cover
• Fruit farming, grown under cover
• Garlic farming, grown under cover
• Gingerroot farming, grown under cover
• Ginseng farming, grown under cover
• Herb farming, grown under cover
• Hydroponic crop farming
• Melon farming, grown under cover
• Rhubarb, grown under cover
• Spice farming, grown under cover
• Tomato farming, grown under cover
• Truffles farming, grown under cover
• Vegetable farming, grown under cover