Not an SEC registrant

Client/server Software Solutions INC

Customers

2 federal agencies, 1 prime contractor

Suppliers

3 federal subcontractors

Largest customer

—

No % disclosed

Named-customer revenue

—

No estimate available

Federal obligations

$15.8M

FY2026 · USAspending.gov

Band height is the estimated dollar value: the disclosed share × the discloser's revenue for that period (latest full year where available) or federal dollars obligated. Each side is scaled on its own; dashed outlines are named without a figure. Click a band to open its source.

Federal contracts 2

Agencies that awarded contracts to this company, from USAspending.gov. Dollars are obligated amounts as reported, not estimates; $15.8M in the latest fiscal year shown per agency.

Agency	Obligated	Fiscal year	Awards	Trend	Largest award
Department of Defense Department of the Air Force	$13.0M	FY 2026	11	$12.2M → $12.9M → $13.1M → $13.0M	FA460023F0006
USAMS FOPR 23-003 NUCLEAR COMMAND, CONTROL, AND COMMUNICATION (NC3) ENTERPRISE CENTER MISSION SUPPORT Award FA460023F0006 on USAspending.gov ↗ Largest of 11 awards in FY2026: $8.2M obligated
Department of the Treasury Internal Revenue Service	$2.8M	FY 2026	3	$6.3M → $1.9M → $1.3M → $2.8M	205AE926F00109
API COMMON SERVICES- INFORMATION TECHNOLOGY SERVICES TO OPERATE, MAINTAIN, AND MODERNIZE INTERNAL REVENUE SERVICE APPLICATIONS THAT SUPPORT SECURE SYSTEM COMMUNICATION AND DATA EXCHANGE. Award 205AE926F00109 on USAspending.gov ↗ Largest of 3 awards in FY2026: $1.5M obligated

Federal subcontractors 3

Companies this contractor subcontracted work to on federal prime contracts. From USAspending.gov subaward reports; amounts are as reported by the prime contractor, latest report per subaward, $500K+ a year.

Company	Subawards	Fiscal year	Count	Largest subaward
SAIC Science Applications International Corp	$1.7M	FY 2025	1	2032H522F00081
SERVICES IN ACCORDANCE WITH PERFORMANCE WORK STATEMENT. Prime award 2032H522F00081 on USAspending.gov ↗ Subaward 2021.001.01: $1.7M · Department of the Treasury (TREAS)
3AI LLC	$1.1M	FY 2025	2	FA460022F0053
SERVICES IN ACCORDANCE WITH PERFORMANCE WORK STATEMENT. Prime award FA460022F0053 on USAspending.gov ↗ Subaward 2022.007.01: $669.1K · Department of Defense (DOD)
Calvert Systems Engineering, INC	$702.8K	FY 2025	1	FA460022F0031
SERVICES IN ACCORDANCE WITH THE J81 CAMPAIGN MODELING AND EMERGING TECHNOLOGY SUPPORT PERFORMANCE WORK STATION Prime award FA460022F0031 on USAspending.gov ↗ Subaward 2022.004.01: $702.8K · Department of Defense (DOD)

Federal subcontracts received 1

Prime contractors that subcontracted federal work to this company. From USAspending.gov subaward reports; amounts are as reported by the prime contractor, latest report per subaward, $500K+ a year.

Company	Subawards	Fiscal year	Count	Trend	Largest subaward
Peraton Corporation	$3.1M	FY 2025	1		47QFCA24F0006
CLIENT/SERVER SOFTWARE SOLUTIONS INC. DBA CONSTELLATION WEST WILL BE PROVIDING ENGINEERING SERVICES FOR 3 RESOURCES WITH DIFFERENT CERTIFIED LEVELS (JOURNEYMEN/SENIOR/SME) THEY PLAY A CRITICAL ROLE IN SUPPORT OF THIS PROGRAM. Prime award 47QFCA24F0006 on USAspending.gov ↗ Subaward PO-0058479: $3.1M · General Services Administration (GSA)

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