Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000834237-20-002154
Filing Date
2020-02-04
Accepted
2020-02-04 12:15:42
Documents
1

Document Format Files

Seq Description Document Type Size
1 us5768531056_020320.txt SC 13G/A 11423
  Complete submission text file 0000834237-20-002154.txt   13170
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)

EIN.: 731352174 | State of Incorp.: DE | Fiscal Year End: 0630
Type: SC 13G/A | Act: 34 | File No.: 005-41526 | Film No.: 20571811
SIC: 1700 Construction - Special Trade Contractors

Mailing Address 55 EAST 52ND STREET NEW YORK NY 10055
Business Address 55 EAST 52ND STREET NEW YORK NY 10055 212-810-5300
BlackRock Inc. (Filed by) CIK: 0001364742 (see all company filings)

EIN.: 320174431 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies