* Martek Biosciences, a Columbia company that develops and makes products such as infant formula supplements from microalgae, earned $3.4 million (11 cents a share) on $41.9 million in revenue during its second fiscal quarter ended April 30, compared with $3.1 million (12 cents) on $26.4 million in revenue it its previous second quarter. For the fiscal year's first six months, the company earned $6.8 million (22 cents) on $77.5 million in revenue, up from $5.2 million (21 cents) on $47 million in revenue during the first half of the previous fiscal year. Martek stock closed at $59.86, down $2.63 or more than 4 percent.

* CompuDyne, a Hanover maker of security products, reported May contract awards totaling $18.2 million. Institutional Security Systems had $7.6 million worth of awards, including a previously announced letter of intent for the $6.1 million expansion of Georgia's Gwinnett County Detention Center. Attack Protection had $6.7 million worth of awards, including a $4.6 million project at the U.S. Embassy in Beijing, also previously announced. Federal Security Systems had awards of $1.1 million, including a $500,000 expansion of a security regionalization project. Public Safety & Justice had awards totaling $2.8 million.

Compiled from reports by Washington Post staff writers, Business Wire and PR Newswire.