PRIVATE EQUITY

Sentito Networks, a Rockville maker of equipment designed to make long-distance voice communication over the Internet more efficient, recently raised $28.5 million in a third and fourth round of venture funding. The third round raised $19 million in a deal led by Kodiak Venture Partners. A $9.5 million round was led by D.C.'s Core Capital Partners.

Columbia Capital was among a group of investors in a recent $9 million, second round of venture funding for Brickstream, an Atlanta provider of customer analysis for retail stores. Alexandria's Columbia Capital and Mohr Davidow Ventures led a $6.2 million Series A funding for Brickstream in March.

MERGERS AND ACQUISITIONS

Artesia Technologies, a Rockville online content management systems maker, was bought by Open Text of Ontario. A price for the deal was not disclosed. Artesia went through a management-led buyout in 1999 in a deal financed with $10 million from New York private equity firm Warburg Pincus. Warburg Pincus put at least another $10 million into the company subsequent to the buyout.

Defense Systems, a Manassas provider of technology and logistics automation to government and commercial clients, was bought for $6.6 million by Wireless Facilities.

PRIVATE DEBT

Alion Science and Technology of McLean closed on a senior credit facility that will provide up to $180 million of financing. Credit Suisse First Boston was the lead administrative agent in the financing.

Allied Capital Corp. in the District provided $94 million in debt and equity financing for the buyout of Financial Pacific, a specialized commercial finance company.