Mortality patterns are described for individual occupations with metal exposures, such as boilermakers, copper smelter workers, machinists, metal molders, plumbers, structural metal workers, sheetmetal workers, aluminum mill workers, welders, and tool and die makers. Of the ten occupational groups, all showed increases in respiratory cancer proportionate mortality ratios (PMR). Boilermakers, plumbers, structural metal workers, and welders show PMR elevations for bladder cancer. Machinists, plumbers, and structural metal workers show excesses for cancer of the tongue. Pancreatic cancer and lymphoma show an increase in aluminum mill workers, particularly potroom workers who are exposed to coal-tar pitch derivatives.