* Aether Systems, an Owings Mills mobile and wireless data company, signed a definitive agreement to sell its mobile government division to BIO-key International for $10 million in cash. Aether also signed a definitive agreement July 21 to sell its transportation division to an affiliate of Platinum Equity for $25 million in cash. Once it sheds both of its operating units, Aether intends to focus on building and managing a leveraged portfolio of residential mortgage-backed securities.

* Information Analysis, a Fairfax information technology company, earned $59,000 (1 cent per share) on $2.2 million in revenue during its second quarter, up from a loss of $74,000 (1 cent) on $1.2 million in revenue during the year ago quarter. For the six months ended June 30, the company earned $112,000 (1 cent) on $4.3 million in revenue, up from a loss of $264,000 (3 cents) on $2.1 million in revenue during the same period last year. The company attributed the improvement to increased sales. Information Analysis said it is still in merger and acquisition discussions with a number of firms and hopes to complete a transaction in the future. Shares of Information Analysis closed down 2 cents at 38 cents.

* ePlus, a Herndon enterprise cost management company, earned $2.2 million (23 cents) on $106.7 million in revenue during its first fiscal quarter ended June 30, down from a net income of $2.3 million (24 cents) on $79.9 million in revenue during the same quarter last year. ePlus acquired the IT fulfillment, professional services and software development and consulting service businesses of Manchester Technologies in May. Shares of ePlus closed up 5 cents at $10.49.

* SRA International, a Fairfax information technology contractor to the federal government, won a five-year contract worth up to $18.5 million from the Department of Health and Human Services (HHS) to provide operations and maintenance support for the Department's enterprise-wide public-key infrastructure program which enables HHS to communicate electronically and securely with organizations and individuals to collect and transmit sensitive information. SRA has assisted HHS with the design, development, installation and support of the system and will continue to provide program management, system development and system support under the new contract.

Compiled from reports by Washington Post staff writers.