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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0001258897-17-001216
Filing Date
2017-02-09
Accepted
2017-02-09 10:21:49
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G dfs417.htm SC 13G 51223
  Complete submission text file 0001258897-17-001216.txt   53050
Mailing Address 8550 MOSLEY DRIVE P O BOX 12818 8550 MOSLEY DRIVE P O BOX 12818 HOUSTON TX 77075
Business Address 8550 MOSLEY DR POST OFFICE BOX 12818 HOUSTON TX 77075 7139446900
POWELL INDUSTRIES INC (Subject) CIK: 0000080420 (see all company filings)

IRS No.: 880106100 | State of Incorp.: NV | Fiscal Year End: 0930
Type: SC 13G | Act: 34 | File No.: 005-43757 | Film No.: 17585335
SIC: 3613 Switchgear & Switchboard Apparatus

Mailing Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746
Business Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746 (512) 306-7400
DIMENSIONAL FUND ADVISORS LP (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 222370029 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000