Various stakeholders, including major trade organizations, labor unions and advocacy groups, have filed comments on OSHA's proposed rule tackling worker exposures to crystalline silica.
- National Institute for Occupational Safety and Health
- AFL-CIO
- U.S. Chamber of Commerce
- National Industrial Sand Association
- Industrial Minerals Association - North America
- American Society of Safety Engineers
- American Industrial Hygiene Association
- Construction Industry Safety Coalition
- National Association of Home Builders