The phrase "at entities" is correct and usable in written English.
It can be used in contexts where you are referring to specific organizations, institutions, or groups involved in a particular discussion or analysis.
Example: "The research focused on the impact of new regulations at entities operating in the financial sector."
Alternatives: "within organizations" or "among institutions".
The proposal from the state comptroller, Alan G. Hevesi, and the attorney general, Eliot Spitzer, comes as the oversight of spending at entities like the Metropolitan Transportation Authority and the New York State Thruway Authority has become a political issue.
Right now, the president's priority is on breaking down Chinese resistance to the new United Nations sanctions, which apply across borders and are aimed squarely at entities that support Iran's nuclear program.
The White House said that the restrictions were primarily aimed at entities based inside the two countries, but that American technology companies had been consulted and understood that compliance would now be part of their standard due diligence in international contracts.
"The law also singles out 'espionage charges' to be levied at entities or persons found to be 'colluding' with foreign nations... in a manner that is seen to harm Egypt's national security".
In addition to promoting diversity at the Board and throughout the System, the Board's Office of Diversity and Inclusion will play an integral role in the development of standards to assess the diversity practices at entities regulated by the Federal Reserve as required by the Dodd-Frank Act.
The Dayton agreement has never been fully implemented, allowing power to remain concentrated at entity, not state, level.
To evaluate the performance of submitted results, the BioCreative IV competition relied on three performance measures at entity level: recall, precision and F-measure.
These metrics were computed both at entity and token levels [ 54].
Legislation is made at entity and cantonal levels (respective district level).
We made this distinction to evaluate the performance of the system both at entity-level (exact matching) and at token level (partial or inexact matching).
A monthly reporting system for immunization coverage to be introduced at all vaccination sites, at cantonal/regional and at entity levels.
