Danaher Corp. said revenue rose by 25 percent during the second quarter, much of the rise from companies Danaher bought in the past year.

Earnings rose by 46 percent, to $182 million (56 cents a share), from $125 million (39 cents) a year ago. Revenue was $1.6 billion, compared with $1.3 billion.

For the first six months of the year, the District maker of controls and tools earned $327.5 million ($1.01), compared with $228.3 million (72 cents) in the first half of 2003. Revenue rose to $3.2 billion from $2.5 billion.

The company bought 10 businesses in the first half of the year compared with 12 for all of 2003.

* Provident Bankshares Corp. said second-quarter earnings declined when it restructured its balance sheet after its merger with Southern Financial Bancorp Inc.

Earnings at the Baltimore bank fell 14 percent, to $10.5 million (34 cents a share) during the quarter, from $12.2 million (49 cents) in the same period a year ago. For the first six months of 2004, earnings fell 2.5 percent, to $23.4 million (83 cents), from $24 million (96 cents) during the first half of 2003.

* United Defense Industries Inc. said earnings rose and it recorded strong orders from the Army and Navy during the second quarter.

The Arlington maker of military vehicles and artillery earned $40.8 million (77 cents a share), compared with $36.1 million (68 cents) during last year's second quarter.

Quarterly revenue was $576.3 million, compared with $553.5 million in the same period a year ago.

For the first half of the year, earnings were $82.7 million ($1.55) on $1.1 billion in revenue, compared with $74.5 million ($1.41) on $1 billion in revenue in the first half of 2003.