Several unions have contributed to President Obama’s inauguration.

At least nine unions are listed as donors to the inauguration, according to the latest update on the Presidential Inaugural Committee’s website. The committee has been releasing donors’ names to the inauguration every Friday for the past several weeks.

The unions that have donated to Obama’s second inauguration include the American Federation of Government Employees; the American Postal Workers Union; the International Association of Fire Fighters; the International Brotherhood of Electrical Workers; the Laborers International Union of North America; and the United Food & Commercial Workers.