This evening is the Top 150 Privately Held Companies event , where you can rub elbows with the leaders of big St. Louis tech companies such as Contegix, World Wide Technology, Suddenlink, Graybar, Barry-Wehmiller, Distribution Management, CSI Leasing, Rose International, Answers Corp., Keeley Cos., Daugherty Business Solutions, French Gerleman and KellyMitchell Group. Also this evening is the Venture Cafe gathering from 3-8 p.m. at CIC@4240, 4240 Duncan Ave. You can see the topics of the seven roundtable discussions here .