THOMAS Built Buses Manuals PDF - Bus & Coach Manuals PDF Thomas Built Buses is a company that has been involved in the production of children's school buses, intercity buses and even buses since the very first days of its existence. To date, the company is a subsidiary of the German automotive corporation Daimler AG. Perley Thomas is a famous American industrialist and entrepreneur, a fitter by Bus Service | Thomas Built Buses Keeping your buses up and running is key to reducing costs and improving overall fleet management. At Thomas Built Buses, our customer service program is a multi-function tool that provides you with ample flexibility to keep your buses in top condition. Thomas Built Buses At Thomas Built Buses, we only build buses we'd want our own children to ride. That's why, from construction to customer service, all we do is guided by safety.