EXHIBIT 10.11 TENTH AMENDMENT TO CREDIT AGREEMENT THIS TENTH AMENDMENT TO CREDIT AGREEMENT (this "Amendment" or "Tenth Amendment") dated as of April 1, 1996, ("Effective Date") is between ERC INDUSTRIES, INC. ("Borrower"), and TEXAS COMMERCE BANK...Credit Agreement • March 31st, 1997 • Erc Industries Inc /De/ • Oil & gas field machinery & equipment • Texas
