CLIENT/SERVER SOFTWARE SOLUTIONS INC

DBA: CONSTELLATION WEST

VIENNA, VIRGINIA 221823853

8(a)WOSBSDVOSBVeteran OwnedMinority OwnedWoman Owned
$54.54M
Total Contract Value
309 awards
First Award
Apr 12, 2022
Last Award
Dec 1, 2025
Business Size
small
CAGE Code
1HYP0

Top Industries (NAICS)

NAICS CodeObligationsAwards
541330$39.29M163
541512$12.49M78
541715$8K16
541350$3K5
541519$012

Contract Awards

50 awards found

2032H522F00081
Department of the Treasury
$204K
Nov 21, 2025

MODIFICATION TO EXERCISE AND INCREMENTALLY FUNDING OPTION PERIOD 4, 11/28/2025 THRU 11/27/2026.

NAICS: 541512 - COMPUTER SYSTEMS DESIGN SERVICESFY2026
FA460023F0006
Department of Defense
$-12,000
Aug 26, 2025

ADVISORY AND ASSISTANCE SERVICES - NUCLEAR COMMAND, CONTROL, AND COMMUNICATIONS (NC3) ENTERPRISE CENTER MISSION SUPPORT/USSTRATCOM.

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0015
Department of Defense
$150K
Aug 25, 2025

GLOBAL COMMAND AND CONTROL SYSTEM - JOINT (GCCS-J)

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0042
Department of Defense
$147K
Aug 20, 2025

SPECIAL ACCESS PROGRAM (SAP) SECURITY AND SUPPORT FOR USSTRATCOM/J39 - ADVISORY AND ASSISTANCE SERVICES

NAICS: 541330 - ENGINEERING SERVICESFY2025
2032H522F00081
Department of the Treasury
$396K
Aug 6, 2025

AUTOMATED COLLECTION SYSTEM (ACS) WAS DEVELOPED TO ALLOW THE IRS TO COLLECT TAXES FROM DELINQUENT TAXPAYERS. WAGE AND INVESTMENT (W&I) AND SMALL BUSINESS/SELF-EMPLOYED (SB/SE) COLLECTION REPRESENTATIVES (CR) USE ACS CASE MANAGEMENT ABILITIES TO CONT

NAICS: 541512 - COMPUTER SYSTEMS DESIGN SERVICESFY2025
FA460022F0053
Department of Defense
$176K
Aug 6, 2025

NATIONAL AIRBORNE OPERATIONS CENTER (NAOC) TRAINING OFFICE SUPPORT FOR USSTRATCOM NAOC

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0042
Department of Defense
$-65,969.9
Aug 5, 2025

SPECIAL ACCESS PROGRAM (SAP) SECURITY AND SUPPORT FOR USSTRATCOM/J39 - ADVISORY AND ASSISTANCE SERVICES

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460023F0147
Department of Defense
$302K
Jul 31, 2025

MISSILE OPERATIONS SUPPORT FOR USSTRATCOM/J36

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0012
Department of Defense
$-5,960.39
Jul 21, 2025

GLOBAL / NUCLEAR COMMAND AND CONTROL SUPPORT FOR NC3 ENTERPRISE CENTER/ REQUIREMENTS DIVISIONS

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460025F0002
Department of Defense
$78K
Jul 16, 2025

FOPR 25-002 NATIONAL AIRBORNE OPERATIONS CENTER (NAOC) J3T SPECIAL ACCESS PROGRAM (SAP) SECURITY AND SUPPORT FOR USSTRATCOM/NAOC

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0062
Department of Defense
$132K
Jul 2, 2025

USSTRATCOM/NAOC REQUIRES ADVISORY AND ASSISTANCE SERVICES (AANDAS) TO ACCOMPLISH NUCLEAR COMMAND AND CONTROL (NC2) OPERATIONAL SUPPORT.

NAICS: 541330 - ENGINEERING SERVICESFY2025
2032H522F00081
Department of the Treasury
$145K
Jun 26, 2025

AUTOMATED COLLECTION SYSTEM (ACS) WAS DEVELOPED TO ALLOW THE IRS TO COLLECT TAXES FROM DELINQUENT TAXPAYERS. WAGE AND INVESTMENT (W&I) AND SMALL BUSINESS/SELF-EMPLOYED (SB/SE) COLLECTION REPRESENTATIVES (CR) USE ACS CASE MANAGEMENT ABILITIES TO CONT

NAICS: 541512 - COMPUTER SYSTEMS DESIGN SERVICESFY2025
FA460023F0006
Department of Defense
$1.00M
Jun 16, 2025

ADVISORY AND ASSISTANCE SERVICES - NUCLEAR COMMAND, CONTROL, AND COMMUNICATIONS (NC3) ENTERPRISE CENTER MISSION SUPPORT/USSTRATCOM.

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0062
Department of Defense
$185K
Jun 12, 2025

USSTRATCOM/NAOC REQUIRES ADVISORY AND ASSISTANCE SERVICES (AANDAS) TO ACCOMPLISH NUCLEAR COMMAND AND CONTROL (NC2) OPERATIONAL SUPPORT.

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460023F0006
Department of Defense
$-162,002.24
Jun 4, 2025

ADVISORY AND ASSISTANCE SERVICES - NUCLEAR COMMAND, CONTROL, AND COMMUNICATIONS (NC3) ENTERPRISE CENTER MISSION SUPPORT/USSTRATCOM.

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460023F0006
Department of Defense
$2.24M
May 14, 2025

ADVISORY AND ASSISTANCE SERVICES - NUCLEAR COMMAND, CONTROL, AND COMMUNICATIONS (NC3) ENTERPRISE CENTER MISSION SUPPORT/USSTRATCOM.

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0031
Department of Defense
$485K
May 2, 2025

J81 CAMPAIGN MODELING AND EMERGING TECHNOLOGY SUPPORT FOR USSTRATCOM/J81

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0053
Department of Defense
$176K
Apr 29, 2025

NATIONAL AIRBORNE OPERATIONS CENTER (NAOC) TRAINING OFFICE SUPPORT FOR USSTRATCOM NAOC

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0012
Department of Defense
$-223,761.08
Apr 29, 2025

GLOBAL / NUCLEAR COMMAND AND CONTROL SUPPORT FOR NC3 ENTERPRISE CENTER/ REQUIREMENTS DIVISIONS

NAICS: 541330 - ENGINEERING SERVICESFY2025
47QRCA25DU611
General Services Administration
$3K
Apr 15, 2025

ONE ACQUISITION SOLUTION FOR INTEGRATED SERVICES PLUS (OASIS+) UNRESTRICTED MULTIPLE AGENCY CONTRACT (MAC)

NAICS: 541350 - BUILDING INSPECTION SERVICESFY2025
FA460022F0062
Department of Defense
$-3,178.66
Apr 15, 2025

USSTRATCOM/NAOC REQUIRES ADVISORY AND ASSISTANCE SERVICES (AANDAS) TO ACCOMPLISH NUCLEAR COMMAND AND CONTROL (NC2) OPERATIONAL SUPPORT.

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0053
Department of Defense
$-10
Apr 14, 2025

NATIONAL AIRBORNE OPERATIONS CENTER (NAOC) TRAINING OFFICE SUPPORT FOR USSTRATCOM NAOC

NAICS: 541330 - ENGINEERING SERVICESFY2025
2032H522F00081
Department of the Treasury
$254K
Apr 14, 2025

4/14/25: MOD TO ADD INCREMENTAL FUNDING TO OY3

NAICS: 541512 - COMPUTER SYSTEMS DESIGN SERVICESFY2025
FA460023F0006
Department of Defense
$1.00M
Apr 4, 2025

ADVISORY AND ASSISTANCE SERVICES - NUCLEAR COMMAND, CONTROL, AND COMMUNICATIONS (NC3) ENTERPRISE CENTER MISSION SUPPORT/USSTRATCOM.

NAICS: 541330 - ENGINEERING SERVICESFY2025
2032H522F00081
Department of the Treasury
$109K
Apr 1, 2025

PROCESS AN ADMINISTRATIVE MOD TO REMOVE PROVISIONAL LANGUAGE

NAICS: 541512 - COMPUTER SYSTEMS DESIGN SERVICESFY2025
2032H522F00081
Department of the Treasury
$-2,000.21
Apr 1, 2025

PROCESS AN ADMINISTRATIVE MOD TO REMOVE PROVISIONAL LANGUAGE

NAICS: 541512 - COMPUTER SYSTEMS DESIGN SERVICESFY2025
2032H521F00564
Department of the Treasury
$-8.58
Mar 18, 2025

O365 PROJECT MANAGEMENT SUPPORT - COVID19

NAICS: 541512 - COMPUTER SYSTEMS DESIGN SERVICESFY2025
FA460022F0043
Department of Defense
$142K
Mar 13, 2025

DETERRENCE ANALYSIS AND PLANNING SUPPORT PERFORMS TWO CORE FUNCTIONS WHICH ARE ADVERSARY DECISION CALCULUS PLANNING ANALYSIS AND COURSE OF ACTION (COA) ANALYSIS AND WARGAMING. THE OUTPUTS OF THESE TWO FUNCTIONS ARE REQUIRED FOR INFORMED, REASONED, AN

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0043
Department of Defense
$1.67M
Mar 4, 2025

DETERRENCE ANALYSIS AND PLANNING SUPPORT PERFORMS TWO CORE FUNCTIONS WHICH ARE ADVERSARY DECISION CALCULUS PLANNING ANALYSIS AND COURSE OF ACTION (COA) ANALYSIS AND WARGAMING. THE OUTPUTS OF THESE TWO FUNCTIONS ARE REQUIRED FOR INFORMED, REASONED, AN

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0042
Department of Defense
$843K
Mar 4, 2025

SPECIAL ACCESS PROGRAM (SAP) SECURITY AND SUPPORT FOR USSTRATCOM/J39 - ADVISORY AND ASSISTANCE SERVICES

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460023F0006
Department of Defense
$800K
Mar 3, 2025

ADVISORY AND ASSISTANCE SERVICES - NUCLEAR COMMAND, CONTROL, AND COMMUNICATIONS (NC3) ENTERPRISE CENTER MISSION SUPPORT/USSTRATCOM.

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0012
Department of Defense
$-7,112.39
Feb 27, 2025

GLOBAL / NUCLEAR COMMAND AND CONTROL SUPPORT FOR NC3 ENTERPRISE CENTER/ REQUIREMENTS DIVISIONS

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0015
Department of Defense
$179K
Feb 11, 2025

GLOBAL COMMAND AND CONTROL SYSTEM - JOINT (GCCS-J)

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460023F0147
Department of Defense
$-87,710.04
Feb 3, 2025

MISSILE OPERATIONS SUPPORT FOR USSTRATCOM/J36

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0012
Department of Defense
$658K
Jan 22, 2025

GLOBAL / NUCLEAR COMMAND AND CONTROL SUPPORT FOR NC3 ENTERPRISE CENTER/ REQUIREMENTS DIVISIONS

NAICS: 541330 - ENGINEERING SERVICESFY2025
2032H522F00081
Department of the Treasury
$264K
Jan 14, 2025

PROCESS AN ADMINISTRATIVE MOD TO REMOVE PROVISIONAL LANGUAGE

NAICS: 541512 - COMPUTER SYSTEMS DESIGN SERVICESFY2025
FA460022F0042
Department of Defense
$-46,798.51
Jan 6, 2025

SPECIAL ACCESS PROGRAM (SAP) SECURITY AND SUPPORT FOR USSTRATCOM/J39 - ADVISORY AND ASSISTANCE SERVICES

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460025F0002
Department of Defense
$141K
Dec 19, 2024

FOPR 25-002 NATIONAL AIRBORNE OPERATIONS CENTER (NAOC) J3T SPECIAL ACCESS PROGRAM (SAP) SECURITY AND SUPPORT FOR USSTRATCOM/NAOC

NAICS: 541330 - ENGINEERING SERVICESFY2025
47QRCA25DS394
General Services Administration
$3K
Dec 19, 2024

ONE ACQUISITION SOLUTION FOR INTEGRATED SERVICES PLUS (OASIS+) SMALL BUSINESS MULTIPLE AGENCY CONTRACT (MAC)

NAICS: 541715 - RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY)FY2025
2032H521F00564
Department of the Treasury
$-10,075.3
Dec 11, 2024

O365 PROJECT MANAGEMENT SUPPORT - COVID19

NAICS: 541512 - COMPUTER SYSTEMS DESIGN SERVICESFY2025
2032H521F00564
Department of the Treasury
$-1,142.96
Dec 4, 2024

O365 PROJECT MANAGEMENT SUPPORT - COVID19

NAICS: 541512 - COMPUTER SYSTEMS DESIGN SERVICESFY2025
2032H522F00081
Department of the Treasury
$103K
Nov 22, 2024

PROCESS AN ADMINISTRATIVE MOD TO REMOVE PROVISIONAL LANGUAGE

NAICS: 541512 - COMPUTER SYSTEMS DESIGN SERVICESFY2025
FA460022F0043
Department of Defense
$-87,782.76
Nov 19, 2024

DETERRENCE ANALYSIS AND PLANNING SUPPORT PERFORMS TWO CORE FUNCTIONS WHICH ARE ADVERSARY DECISION CALCULUS PLANNING ANALYSIS AND COURSE OF ACTION (COA) ANALYSIS AND WARGAMING. THE OUTPUTS OF THESE TWO FUNCTIONS ARE REQUIRED FOR INFORMED, REASONED, AN

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460023F0006
Department of Defense
$405K
Nov 14, 2024

ADVISORY AND ASSISTANCE SERVICES - NUCLEAR COMMAND, CONTROL, AND COMMUNICATIONS (NC3) ENTERPRISE CENTER MISSION SUPPORT/USSTRATCOM.

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460023F0006
Department of Defense
$2.72M
Nov 6, 2024

ADVISORY AND ASSISTANCE SERVICES - NUCLEAR COMMAND, CONTROL, AND COMMUNICATIONS (NC3) ENTERPRISE CENTER MISSION SUPPORT/USSTRATCOM.

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0031
Department of Defense
$-133,152.31
Nov 5, 2024

J81 CAMPAIGN MODELING AND EMERGING TECHNOLOGY SUPPORT FOR USSTRATCOM/J81

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460022F0053
Department of Defense
$353K
Oct 28, 2024

NATIONAL AIRBORNE OPERATIONS CENTER (NAOC) TRAINING OFFICE SUPPORT FOR USSTRATCOM NAOC

NAICS: 541330 - ENGINEERING SERVICESFY2025
FA460018FU102
Department of Defense
$-56,887.14
Oct 2, 2024

BUSINESS SYSTEM ANALYST (BSA) SUPPORT

NAICS: 541330 - ENGINEERING SERVICESFY2025
47QRCA24DW049
General Services Administration
$3K
Sep 30, 2024

ONE ACQUISITION SOLUTION FOR INTEGRATED SERVICES PLUS (OASIS+) WOMEN OWNED SMALL BUSINESS MULTIPLE AGENCY CONTRACT (MAC)

NAICS: 541715 - RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY)FY2024
FA460023F0006
Department of Defense
$325K
Sep 30, 2024

ADVISORY AND ASSISTANCE SERVICES - NUCLEAR COMMAND, CONTROL, AND COMMUNICATIONS (NC3) ENTERPRISE CENTER MISSION SUPPORT/USSTRATCOM.

NAICS: 541330 - ENGINEERING SERVICESFY2024

Business Details

UEI
CMSHG28J2L78
CAGE Code
1HYP0
Address
8230 OLD COURTHOUSE RD STE 220
VIENNA, VA 221823853
Congressional District
VA-11

Parent Company

CLIENT/SERVER SOFTWARE SOLUTIONS INC

Data Source

This profile is based on federal contract award data from USAspending.gov.

View on USAspending.gov