Marders | 866 followers on LinkedIn. In 1975, Kathleen and Charlie started a landscaping business with the goal of creating gardens that reflect homeowners’ tastes, emphasize the character of the local environment, and provide an alternative to “cookie cutter” backyards. Marders was among the first businesses in the nation to own a large-scale tree spade. The machinery was a game-changer in terms of planting and transplanting trees.