Texas Technology Firms Rank In Inc. 500

45 companies from Texas were ranked in the top 500 companies in the Inc. 500, released yesterday. The Inc. 500, issued annually, shows the top growing private companies in the U.S. Among technology firms on the list included Adlucent, at 73; The Woodlands-based eCardio Diagnostics at 117; Austin's Headspring Systems at 127; Richardson's OraMetrix at 159; Austin-based Smiley Media at 168; Houston-based HostGator at 239; and Austin-based ePsolutions at 244. In the remainder of the list, Plano-based Genband was 298; Pop Labs, based in Houston, was at 317; and another Houston firm, RigNet was at 452.