6. ENGINEER: Unitech Engineering, Inc.      713 E. Esperanza, Ste B      McAllen, Texas      Phone: 956-928-1403      FAX:     956-928-1426      CONTACT: Robert De La Cruz 7. W. Murray Thompson Construction Co., Inc.      P.O. Box 632      San Benito, Texas 78586      Phone: 956-399-2212      FAX:    956-399-2812      CONTACT: Murray Thompson 8. Terry Ray Construction, Inc.      1900 S. Price Road      Brownsville, Texas 78521      Phone: 956-548-2000      FAX:     956-548-2075      CONTACT: Terry Ray 9. Scoggins Construction      17862 Graham Road      Harlingen, Texas 78552      Phone: 956-421-3558      FAX:     956-421-3154      CONTACT: Bill Scoggins 10. JDS Construction Co. Inc.      P.O. Box 355      Weslaco, Texas 78599      Phone: 956-447-8041      FAX:     956-973-9184      CONTACT: Joe Don Scoggins