Reston, Va. -- Frazoo, a San Diego-based search engine company offering pay-per-click advertising, said on Tuesday that it has acquired Reston-based in-text ad network BrandClik.

Washington, DC -- Building on the success of its popular social search platform, DC-based Searchles said that it has launched its new Twicsy Twitter photo search engine, which now features several dozen perspectives of Monday afternoon's Metro crash.

Vienna, Va. -- Looking to expand its government footprint, Vienna-based Sage Communications, a provider of marketing communications services, said that it has acquired Falls Church-based counterpart JDG Communications.

Vienna, Va. -- Convera, a Vienna-based developer of web tools that allow publishers to create customized search engines, said that it has signed a deal to merge with U.K.-based Firstlight Online, a developer of online ad targeting tools.

Washington, DC -- The DC area now ranks fourth among all metropolitan areas in North America in terms of the economic activity that it creates through its technology industry, according to a new study by the Milken Institute.

McLean, Va. -- Making a major bid to bolster its cyber security offerings, McLean-based QinetiQ North America, a McLean-based provider of defense and security technology to the federal government, said on Wednesday that it will acquire Arlington-based Cyveillance, a provider of online monitoring services designed to help companies guard against Internet threats.

Washington, DC -- Nicor Global, a year-old DC-based developer of cyber security software and services, said on Wednesday that it has raised $1 million in new funding from The Musser Group and Galaxy Technology.