0000950129-98-003802 8-K 1 19980902 5 19980904 NASD POWELL INDUSTRIES INC 0000080420 3613 880106100 NV 1031 8-K 34 001-12488 98704163 8550 MOSLEY DR POST OFFICE BOX 12818 HOUSTON TX 77075 7139446900 8550 MOSLEY DRIVE P O BOX 12818 8550 MOSLEY DRIVE P O BOX 12818 HOUSTON TX 77075 PROCESS SYSTEMS INC 19780926 8-K 1 000095012998003802-001-seq1-8-k.txt POWELL INDUSTRIES, INC. - DATED 9/2/98