The Lawn Firm provides landscaping, landscape lighting, lawn and landscape sprinklers, outdoor water features, stonework, patios, outdoor living areas, outdoor kitchens and just about anything else that makes your outdoor space more attractive, more useable, or more enjoyable. Think of us as Your Entire Outdoor Space Firm . -Texas Licensed Irrigator, Thomas Monks, LI7619 -Fully Insured. Provider of premium landscape and irrigation solutions since 1981,The Lawn Firm has been helping discerning property owners in Dallas/Fort Worth and surrounding communities with their outdoor environments.