MacDonald, Dettwiler and Associates Ltd. reported revenues of 311.9 million Canadian dollars ($298.4 million) in its 2007 second quarter, a 29 percent increase over the same period a year ago, the company announced July 26. Earnings slipped from $20.8 million Canadian dollars ($19.9 million) to 19.8 million Canadian dollars ($18.9 million).

The company’s Information Systems business, which oversees satellite operations, reported revenues of 93 million Canadian dollars ($89 million), up from 85 million Canadian dollars ($81.3 million) a year ago.