Keesen Enterprises, Inc. was founded in 1972. More than 40 years later, the company is still growing and thriving, having built a reputation for reliability, quality work and outstanding customer service. Many of our customers have been with us for years, and we enjoy a very high annual renewal rate in an industry that generally experiences extremely high customer turnover.In 2016, we joined forces with other landscape industry leaders to become a Heartland company. Heartland is dedicated to putting people first, building relationships and delivering exceptional service across Denver, Colorado. Together, we operate with a shared vision of excellence—combining the best practices with the right tools to put our team, our clients and their customers first—giving our all, in everything we do, every single day.