oil and gas field machinery equipment manufacturing 2002 economic census industry series issued december 2004 ec02 31i 333132 rv us department of commerce economics statistics administration bureau this report was prepared in the construction division under direction judy m dodds assistant chief for related programs who responsible overall planning management coordination kenneth hansen investment goods industries branch assisted by chris blackburn mike brown jazmin rose section chiefs raphael corrado tom flood robert miller rosati special assistants performed implementation stephanie angel larry blumberg paul corey vance davis kellie friedrich vera harris bourne jennifer lee allison marin keith mckenzie blynda metcalf philippe morris betty pannell deanna pickerall shaquella rhea keeley voor tempie whittington provided primary staff assistance mendel d gayle support kimberly dephillip publication process patrick duck michael flaherty taylor c murph wanda sledd veronica white mathematical statistical techniques as well coverage operations were hsen research