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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001258897-18-001239
Filing Date
2018-02-09
Accepted
2018-02-09 08:55:16
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A dfs383.htm SC 13G/A 51233
  Complete submission text file 0001258897-18-001239.txt   52931
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/A
SIC: 0000

Mailing Address 5100 EAST SKELLY DRIVE SUITE 500 TULSA OK 74135
Business Address 5100 EAST SKELLY DRIVE SUITE 500 TULSA OK 74135 9188388822
MATRIX SERVICE CO (Subject) CIK: 0000866273 (see all company filings)

IRS No.: 731352174 | State of Incorp.: DE | Fiscal Year End: 0630
Type: SC 13G/A | Act: 34 | File No.: 005-41526 | Film No.: 18588243
SIC: 1700 Construction - Special Trade Contractors