From the BLS :
Since the start of the recession in December 2007, payroll employment has fallen by 7.2 million. In September, construction employment declined by 64,000. Monthly job losses averaged 66,000 from May through September, compared with an average of 117,000 per month from November to April. September job cuts were concentrated in the industry's nonresidential components (-39,000) and in heavy construction (-12,000). Since December 2007, employment in construction has fallen by 1.5 million. Employment in manufacturing fell by 51,000 in September. Over the past 3 months, job losses have averaged 53,000 per month, compared with an average monthly loss of 161,000 from October to June. Employment in manufacturing has contracted by 2.1 million since the onset of the recession.