Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001181431-05-024192
Filing Date
2005-04-28
Accepted
2005-04-28 20:06:36
Documents
1
Period of Report
2005-04-28

Document Format Files

Seq Description Document Type Size
1 BARNEY APRIL 28 FORM 4 rrd77039.html 4  
1 BARNEY APRIL 28 FORM 4 rrd77039.xml 4 5875
  Complete submission text file 0001181431-05-024192.txt   8694
Mailing Address 2911 SCR 1260 MIDLAND TX 79706
Business Address 2911 SCR 1260 MIDLAND TX 79706 9155633974
NATURAL GAS SERVICES GROUP INC (Issuer) CIK: 0001084991 (see all company filings)

EIN.: 752811855
SIC: 1389 Oil & Gas Field Services, NEC

Mailing Address 952 ECHO LANE SUITE 364 HOUSTON TX 77024
Business Address 952 ECHO LANE SUITE 364 HOUSTON TX 77024 713-722-8883
Mark X Energy CO (Reporting) CIK: 0001298947 (see all company filings)

State of Incorp.: OK | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-31398 | Film No.: 05782323

Mailing Address 952 ECHO LANE SUITE 364 HOUSTON TX 77024
Business Address 952 ECHO LANE SUITE 364 HOUSTON TX 77024 713-722-8883
CBarney Investments, Ltd. (Reporting) CIK: 0001298950 (see all company filings)

State of Incorp.: TX | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-31398 | Film No.: 05782324

Mailing Address 952 ECHO LANE SUITE 364 HOUSTON TX 77024
Business Address 713-722-8883
Barney Charles L (Reporting) CIK: 0001298955 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-31398 | Film No.: 05782325