Companies Looking For Ideas Go back to directory.Add to Address Book.ExtechExtech 9 Townsend W Nashua NH 03063 United StatesworkWork Phone: 877-239-8324workWork Email: sales@extech.comINTERNETWork Email: nasales@flir.comINTERNETWebsite: www.extech.comCategories: ToolsUpdated 6 years ago.