Specialized units of the bureau, including the railroad, marine, highway, and forestry police, who employ up-to-date technical equipment, law enforcement techniques, and training.
Five other divisions and offices employed modern procedures to assist in investigating and preventing crime.
The Crime Suppression Division, one of the bureau's largest components, is responsible for conducting most of the technical investigations of criminal offenses throughout the kingdom. Its Emergency Unit copes with riots and other public disorders, sabotage, counterfeiting, fraud, illegal gambling operations, narcotics trafficking, and the activities of secret societies, and organized criminal associations.
Special Branch — sometimes referred to by critics as the "political police", is responsible for controlling subversive activities and serves as the Thai Police's major intelligence organization, as well as the unit responsible for VIP protection.
The Criminal Records Office collects and maintains records required in the conduct of police work, including dossiers and fingerprints of known criminals and persons suspected of wrongdoing .
The Scientific Crime Detection Laboratory, where technicians perform the requisite chemical and physical analyses.
Licenses Division: registered and licensed firearms, vehicles, gambling establishments, and various other items and enterprises as required by law.