When it designed and built a rare bear habitat for the Phoenix Zoo, Ronning Landscaping created a lush rain forest using vines, bamboo, banana plants and flowers imported from Florida and California. This company specializes in landscape installation jobs involving trees, turf, granite, boulders, irrigation systems and landscape lighting up to $1 million. The bulk of the company s business comes from repeat jobs with local construction contractors. Ronning Landscaping was founded in 1972 and has offices in Arizona and Montana. The company has approximately 60 employees ranging from laborers to estimators and project managers.