TR Miles TCI is private consulting practice formed in 1997 to provide technical assistance primarily to industry for complete system design, product and process development for the wood, food, agricultural, waste and energy industries. The firm continues the innovative consulting design engineering started by Thomas R. Miles, P.E., in 1947. The firm retains specialized engineering firms for detailed design. The firm has designed equipment that is used throughout the world.

The special expertise of the firm is the development of energy conversion and materials handling systems for wood, crop residues, plastic and municipal waste, and food processing residues. Project areas include harvesting and processing of Field Crops and Residues; Harvesting and processing of Forest Residues and Urban Wood; Waste handling and processing; Boilers, Combustion, Carbonization and Gasification; Organic Recycling, Composting and Manure management.