Since we began in 1976, we have built our business by being on the cutting edge of what gets the best results. Dedicated to scientifically proven methods, we are continually educating ourselves in order to provide the most effective solutions to you.
Dutch elm disease devastates the Twin Cities’ urban forest. Rainbow ElmCare begins to successfully protect trees via fungicide injections.
Rainbow Treecare incorporated. Begins offering pruning, removals, and stump grinding.
Rainbow begins to revolutionize the tree industry with novel innovations for the care and maintenance of urban trees.
Rainbow Lawncare begins to offer environmentally-friendly turf care services including weed control, fertilizing, and later, hydroseeding.
Seeing a need for research-backed protocols, Rainbow Treecare Scientific Advancements formed to develop and distribute PHC tools.
Cambistat® TGR introduced and becomes the first of dozens of product introductions from RTSA to the arborist and landscape market.
To bring science & integrity to structural pest control, Rainbow Pest Experts forms in MN. Focuses on invading insects & mouse control.
Growth Solutions LLC begins to bring professionally applied TGR services directly to the electric utility market across the United States.
Rainbow expands internationally, forming Arbor Scientific to bring TGR technology to energy providers in Australia.
In May of 2021, Rainbow Companies completed a transaction to become a 100% employee-owned company.
VerdeCare, a new division that combines a deep understanding of the utility vegetation industry with innovative ecological thinking, was launched in July 2021.
Quantum Tree Injector launched in 2022, a novel tool for protecting trees developed by Rainbow Ecoscience.