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Abstract: Compared to other non-residential buildings that have been widely researched, industrial buildings have higher thermal loads, higher air-change rates, longer operating hours and greater pollution control requirements. This paper presents the results of preliminary audits carried out on a sample of 12 representative small business enterprises in Greece including food, marble, wood, paper, plastic, metallurgical and service companies. Energy intensity varied from 50 to just over 300kWh/m2 with heavier industry buildings having values up to 1300kWh/m2. The successful adoption of energy conservation measures in key energy waste areas was assessed, including: (1) building envelope, (2) artificial lighting, (3) heating, ventilating and air conditioning (HVAC) and refrigeration systems, (4) space and water heating, (5) electrical and mechanical equipment and (6) distribution and transportation. It was found that businesses were more sensitized to energy conservation in the area of air conditioning followed by electromechanical equipment (important energy waste area that may yield the biggest energy conservation results, still in need of great improvement though the cost may be very high) and space/water heating; compliance with energy conservation measures was worst in the areas of artificial lighting (least important energy waste area in the case of most businesses) and the building envelope. A more detailed modeling study on a larger sample is proposed as a next step. [Copyright &y& Elsevier]