miscellaneous subjects 2002 economic census professional scientific and technical services subject series issued march 2006 ec02 54sx sb us department of commerce economics statistics administration bureau contents introduction to the vleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotle ixleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdot tables 1 exported by selected kind business for united states 1leaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotle 2 receipts revenue class customer 41leaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotl 3 architectural engineering related 299leaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdot 4 gross billings advertising agencies 334leaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdot 5 personnel payroll occupation legal form organization firms federal income tax 335leaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdot 6 exempt from 355leaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdotleaderdot 7 accounting preparation bookkeeping 360leaderdotleaderdot 8