Combine the first 8 ingredients in a large zip-top plastic bag. Seal bag, and marinate in refrigerator 24 hours. Remove the beef from bag, and discard marinade.
Prepare grill or broiler.
Thread 6 tenderloin cubes, 2 squash pieces, 2 onion wedges, and 2 tomatoes onto each of 4 (12-inch) skewers. Place kebabs on grill rack or broiler pan coated with cooking spray; grill for 10 minutes or until desired degree of doneness. Serve the kebabs over rice with the Tea Sauce for All Occasions.