Eco-Friendly Pest Control Solutions. At Waltham Services our focus is on protecting public health, commercial and residential properties as well as our environment through superior pest and termite services. Because we understand the importance of maintaining a pest-free environment, we always utilize proper pest management techniques and practices for pest that can pose serious threats to your property and only employ fully trained and licensed pest control professionals. Additional phone number for Westerly, Rhode Island (401) 596-3240.