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Filing Detail
Form 424B3 - Prospectus [Rule 424(b)(3)]:
SEC Accession No. 0001193125-17-143578
Filing Date
2017-04-28
Accepted
2017-04-27 17:48:05
Documents
2

Document Format Files

Seq Description Document Type Size
1 424B3 d322217d424b3.htm 424B3 812993
2 GRAPHIC g322217g95f30.jpg GRAPHIC 22330
  Complete submission text file 0001193125-17-143578.txt   849144
Mailing Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151
Business Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151 7036338300
Dynamics Research Corp (Filer) CIK: 0000030822 (see all company filings)

IRS No.: 042211809 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-217383-06 | Film No.: 17790612
SIC: 7373 Services-Computer Integrated Systems Design

Mailing Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151
Business Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151 7036338300
Engility Holdings, Inc. (Filer) CIK: 0001544229 (see all company filings)

IRS No.: 453854852 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-217383-07 | Film No.: 17790609
SIC: 8711 Services-Engineering Services

Mailing Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151
Business Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151 7036338300
Engility LLC (Filer) CIK: 0001612199 (see all company filings)

IRS No.: 952588754 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-217383-01 | Film No.: 17790608

Mailing Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151
Business Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151 7036338300
ENGILITY Corp (Filer) CIK: 0001637281 (see all company filings)

IRS No.: 042393618 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-217383 | Film No.: 17790605
SIC: 8711 Services-Engineering Services

Mailing Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151
Business Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151 7036338300
ATAC Services, LLC (Filer) CIK: 0001698226 (see all company filings)

IRS No.: 472919685 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-217383-02 | Film No.: 17790607

Mailing Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151
Business Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151 7036338300
Support Services Organization, LLC (Filer) CIK: 0001698227 (see all company filings)

IRS No.: 461110776 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-217383-04 | Film No.: 17790610

Mailing Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151
Business Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151 7036338300
TASC Services Corp (Filer) CIK: 0001698229 (see all company filings)

IRS No.: 043268014 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-217383-03 | Film No.: 17790606

Mailing Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151
Business Address 4803 STONECROFT BOULEVARD CHANTILLY VA 20151 7036338300
TexelTek, LLC (Filer) CIK: 0001698230 (see all company filings)

IRS No.: 522266478 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-217383-05 | Film No.: 17790611