Such projects must by law give 10 percent of its jobs to minority workers.
In the past, individual lawsuits by minority workers were settled out of court.
The report found that of 38,631 black-owned companies with paid employees, only 2.5 percent had no minority workers.
More than half, 52.1 percent, of the 1,268,869 businesses owned by white men reported no minority workers.
Some employees said the company has ignored minority workers for years.
From municipal bonds, minority workers went on to other parts of the financial world.
Some minority workers said they were made to do more than other employees of similar experience.
These younger minority workers will want to be better paid.
At most sites, his office said, more than 30 percent of the work force is made up of minority workers.
The printing office also agreed to provide for advancement of minority workers.
