Benson Hill was an agriculture technology company founded in 2012 and headquartered in St. Louis, Missouri, focused on sustainable food innovation using crop biology. The company filed for Chapter 11 bankruptcy protection in March 2025, with its assets and work subsequently picked up by Confluence Genetics.

Posie Pots is a St. Louis, MO-based company founded by entrepreneur Kay Wells that makes self-watering planters crafted from eco-friendly 3D-printed materials, designed to fit busy lifestyles. The planters feature a built-in water reservoir and are sold directly to consumers.

Saluna is a St. Louis, Missouri ag-tech startup focused on advancing hemp as a crop. The company provides high-quality hemp seeds to agricultural entrepreneurs and raised $1.5 million in seed funding in 2025 to develop new crop varieties aimed at improving agriculture and fuel production.