Guam - The Guam Chamber of Commerce tomorrow is hosting the 9th annual small business expo. The event allows members to showcase their various products and services in a simple get-to-know-you style atmosphere. Over 30 Guam-based industries are participating. A pre-expo seminar is scheduled for 2-4 pm featuring a panel of industry professionals who lend their expertise on how companies can become more energy efficient and how to fun major energy saving projects. The actual expo event is being held at the Marriott Resort and Spa between 4 to 7pm.