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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000938206-06-000007
Filing Date
2006-02-14
Accepted
2006-02-14 12:32:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 13GMATRIXSERVICECOQTR42005 asch13gmatrixserviceqtr42005.txt SC 13G 15769
  Complete submission text file 0000938206-06-000007.txt   17752
Mailing Address 10701 E UTE ST TULSA OK 74116-1517
Business Address 10701 E UTE ST TULSA OK 74116-1517 9188388822
MATRIX SERVICE CO (Subject) CIK: 0000866273 (see all company filings)

IRS No.: 731352174 | State of Incorp.: DE | Fiscal Year End: 0531
Type: SC 13G | Act: 34 | File No.: 005-41526 | Film No.: 06610305
SIC: 1700 Construction - Special Trade Contractors

Mailing Address 25 EAST ERIE ST CHICAGO IL 60611
Business Address 25 EAST ERIE ST CHICAGO IL 60611 3125873800
DRIEHAUS CAPITAL MANAGEMENT LLC (Filed by) CIK: 0000938206 (see all company filings)

IRS No.: 203634295 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G