Subcontractor Information System Contact Information Chip Lawson, Project Manager Office: (832) 753-4205 Cell: (281) 330-8511Email: chip@tcstx.us Heather Masten, Accounts Receivable Office: (832) 753-4207 Email: heather@tcstx.us Samantha Escobar, Project Manager Assistant Office: (832) 753-4214 Email: samantha@tcstx.us Chris Wheeler, General Superintendent Office: (832) 753-4208 Cell: (832) 335-0237 Email: chris@tcstx.us