Our Office 9010 Broadway San Antonio, Texas 78217 office: 210-342-9661 after hours: 210-342-9600 Fax: 210-342-9677 President: Mark R. Tomlinson markt@apexsainc.com. Estimating Department Manager-Kenneth Kircher kennyk@apexsainc.com. Project Control Manager-Jared Kircher jaredk@apexsainc.com. Accounting-Shirley Tomlinson shirleyt@apexsainc.com.