EXHIBIT 23.1 INDEPENDENT AUDITOR'S CONSENT The Board of Directors: We hereby consent to the incorporation by reference in the Registration Statements filed on Form S-8 of our report dated March 12, 2003, relating to the financial statements of ENGlobal Corporation appearing in the Form 10-K for the year ended December 31, 2002. /S/ HEIN + ASSOCIATES LLP HEIN + ASSOCIATES LLP Houston, Texas March 11, 2004