Why Work with Us. R H Dupper Landscaping is a family-owned commercial landscaping construction and maintenance company. We have been around 40 years and have a track-record of growth and stability – even during economic downtimes. We are a preferred contractor and strive to create a place where our employees know they are part of a team and feel supported and respected. We are not your run-of-the-mill landscaping company. We work with leading bra...