TD&H Engineering Email Format
Civil EngineeringMontana, United States51-200 Employees
TD&H Engineering is a regional civil engineering consulting firm based in Great Falls, Montana. It provides planning, design, and evaluation services for infrastructure projects across Montana, Washington, Idaho, North Dakota, and Pennsylvania. Its client base ranges from individuals and rural water districts to large corporations, and it supports projects from concept development through construction completion. Founded in 1965, the firm emphasizes applying knowledgeable professionals to deliver practical engineering solutions. In 2022, TD&H earned the Honor Award in the Studies, Research and Consulting Category from the American Council of Engineering Companies, Montana Chapter, for the City of Great Falls Lift Station No. 1 and Supplemental Forcemain Feasibility Study.