NEW YORK (CNN/Money) - The initial public offering of SRA International Inc., which provides information technology consulting for federal government agencies, gained nearly 27 percent in its market debut.

Shares of SRA (SRX: Research, Estimates) hit a high of $22.80 early trading on the New York Stock Exchange Friday, adding $4.80 to its $18 offer price. At 10:09 a.m. ET, the stock traded at $22.20.

SRA raised $90 million late Thursday when it sold 5 million shares, up from 4.4 million, at $18 each via lead underwriters Salomon Smith Barney and UBS Warburg.

Fairfax, Va.-based SRA has provided technology services to the federal government for 24 years. The company currently serves more than 300 government clients including the White House, the Internal Revenue Service, and all branches of the military.

SRA's biggest market is national security, providing consulting and systems management for the Defense Department, intelligence agencies and agencies involved in homeland security.