Initial claimants for unemployment insurance due to mass layoffs, by industry, March 2007 Manufacturing 49,886 Administrative and waste services 15,153 Retail trade 11,407 Accommodation and food services 10,895 Construction 7,815 Transportation and warehousing 5,896 Information 4,843 Professional and technical services 4,391 Finance and insurance 2,883 All other industries 10,805