NASHUA, NH Matthew Lefebvre of Elm Grove Realty in Manchester, NH recently brokered a deal at 155 Main Dunstable Rd. in Nashua, NH representing the landlord, leasing +/- 9,751 SF to Gatehouse Treatment. The cooperating broker, representing the tenant, was Lisa Ferrari of Prolman Realty in Nashua, NH. This lease deal brings the building to approximately 90% occupancy.