EAST GREENVILLE, PA – Knoll Inc. announced its results for the second quarter, ended June 30. Net sales for the quarter increased 9.9% to $272.1 million, compared to the same period last year. Operating income was $37.6 million, an increase of 18.2% from the second quarter of 2006. Gross profit for the second quarter was $93.4 million, an increase of 18.2% over the prior year period. Read more.