RECENTLY, considerable attention has been directed toward industrial medical organizations in large corporations. Industrial corporations employing approximately 25,000 workers or more have designed medical departments well staffed with physicians, nurses, and technicians, which have sponsored the development of industrial hygiene laboratories and have developed integrated cooperation with numerous other departments usually found in large scale industrial operations such as safety engineering, plant engineering, material specifications, group insurance, legal and compensation departments. While this progress has been very logical and commendable, it is significant that of all this nation's workers, relatively few are benefitted by such large medical organizations. In fact, 99.5 per cent of all of the industries employ less than 1,000 workers each, and 98.6 per cent have less than 500 workers. Out of 8,838,743 so employed, only 2,159,989 are to be found working in larger establishments employing over 1,000 men. This leaves 6,678,754 workers in the smaller establishments. These figures were taken from the federal census material of