1. Alternative Garden Supply 297 Barrington Rd. Streamwood, IL 60107 Catalog: Free 800-444-2837 Offerings: hydroponic systems and supplies, HID lighting systems ----------------------------------------------------------------- 2. American Hydroponics 824 L. Street Arcata, CA 95521 Catalog: free 800-458-6543 Offerings: hydroponics growing systems, HID lamps ----------------------------------------------------------------- 3. Energy Technics P.O. Box 3424, 3925 Ridgewood Rd. York, PA 17402 Catalog: Free 717-755-5642 Offerings: HID lamps ----------------------------------------------------------------- 4. Grower's Supply Company P.O. Box 1123 Ann Arbor, MI 48106 Catalog: Free 313-662-6058 Offerings: indoor stands, lights and trays ----------------------------------------------------------------- 5. Growth's Systems Inc. P.O. Box 2214 Glenview, IL 60025 Catalog: Free 708-446-3053 Offerings: light fixtures ----------------------------------------------------------------- 6. Hamilton Technology Corp. 14902 S. Fiqueroa Dr. Gardena, CA 90248 Catalog: Free 800-458-7474 Offerings: hydroponics, lighting systems ----------------------------------------------------------------- 7. Heartland Hydroponics 115 Townline Road Vernon Hills, IL 60061 Catalog: Free 800-345-GROW Offerings: hydroponic systems and supplies, HID lighting ----------------------------------------------------------------- 8. Indoor Gardening Supplies P.O. Box 40567 Detroit, MI 48240 Catalog: Free 313-668-8384 Offerings: light fixtures, plant stands, plant trays ----------------------------------------------------------------- 9. Light MFG. Co. 1634 SE Brooklyn St. Portland, OR 97202 Catalog: $3 800-669-5483 Offerings: hydroponics systems, hydroponic fertilizers, HID lighting systems, greenhouse growing supplies ----------------------------------------------------------------- 10. P.L. Light Systems, Inc. P.O. Box 206, 183 S. Service Rd., Unit 2 Grimsby, Ontario, L3M 4G3 Catalog: Free 416-945-4133 Fax: 416-945-0444 Offerings: HID lighting fixtures ----------------------------------------------------------------- 11. Voight Lighting Industries, Inc. 135 Fort Lee Rd. Lenonia, NJ 07605 Catalog: Free 201-461-2493 Fax: 201-461-7827 Offerings: HID lighting fixtures ----------------------------------------------------------------- 12. Worms Way Indoor/Outdoor Garden Supply 4620 South State Road Bloomington, IN 47401 Catalog: Free 812-837-9901 Offerings: hydroponic systems and supplies, HID lighting