0001026608-02-000030 8-K 1 20020820 5 7 20020823 AAON INC 0000824142 3585 870448736 NV 1231 8-K 34 000-18953 02746686 2425 SOUTH YUKON TULSA OK 74107 9185832266 2425 SOUTH YUKON TULSA OK 74107 DIAMOND HEAD RESOURCES INC 19900808 8-K 1 aaon_8k282002.txt FORM 8-K