West Chester, Pennsylvania-based drill manufacturer Schramm Inc. officially moved into its new Houston digs a month ago and is in the process of an initial expansion that will double its Houston headcount, said Sean Roach, the vice president of drilling and services and newly appointed Houston head. "Houston is the nucleus of the oilfield," said Roach. Schramm manufactures tier-one drilling rigs for the oil and gas sector, including the walking rigs that are designed for pad drilling, which has...