cmTemplate Alliance Landscaping Share: LANDSCAPE Visit Website 140 Rockingham Rd. Auburn, New Hampshire 03032 (603)622-1111 Facebook About Map About Alliance Landscaping is an award-winning lawn care company located in Auburn, NH. Our customized lawn care treatments deliver personalized property results that elevate the entire customer experience. What's Nearby? Distance: 5 10 15 20 25 50 mi.