For more than a century, the Barron Collier Companies has been one of the largest diversified companies in Southwest Florida, ... with business ventures including extensive agricultural operations, commercial and residential real estate development, and oil exploration and mineral management. Our company’s roots trace back to Barron Gift Collier, Sr., pioneer and founder of Collier County. Like its namesake, our company is invested in strong values and respect for the environment while continuing to diversify and grow assets for future generations. read more