BUSINESS
June 18, 1998 | JOHN O'DELL
NGK Spark Plugs (U.S.A.) Inc. is celebrating the opening of its newly consolidated and expanded U.S. headquarters in Irvine this week. The company, based in Irvine since 1983, has moved its administrative office from one part of town to its manufacturing and warehouse facility in another. As part of the operation, NGK added almost 20,000 square feet to the building at 6 Whatney.