Illinois Tool Works Inc., Glenview, IL, reported sales increased 14% in the first quarter 2007, and profit went up 10%. Revenue was $3.76 billion.   ; The increase came from strong results in international end markets tempered by slowing growth in a number of North American end markets. Total company base revenues grew 1%, with international base revenues increasing 8.9% and North American revenues declining 3.5%. Acquisitions added 10.7% to first-quarter revenues.   ; North American Engineered Products first quarter revenues were slightly negative as base revenues declined 6.5% and acquisitions added 6.7%. Base revenues declined principally as a result of end market weakness in the residential construction and Detroit 3 automotive markets as well as a slowing across the general industrial market.   ; International Engineered Products first quarter revenues and operating income grew 33.4% and 28.6%, respectively. Revenues improved as base revenues grew 8.2% and acquisitions contributed 17.2%. Base revenues benefited from contributions from a wide geographic mix of units serving construction and industrial end markets.   ; North America Specialty Systems first quarter revenues increased 8.7% largely due to a 9.9% contribution from acquisitions. Base revenues decreased 0.9% in the quarter as declines in industrial and consumer packaging, finishing, and marking and decorating units offset contributions from the welding and food equipment businesses.   ; International Specialty Systems first quarter revenues and operating income grew 27.2% and 35.9%, respectively. Revenues improved as base revenues increased 9.5 percent and acquisitions contributed 10.8%. Base revenues benefited from strong performances from the industrial and consumer packaging, food equipment, welding and finishing units.