Custom Software Systems Inc
Custom Software Systems Inc is a business in Leesburg, VA registered on SAM.gov to bid on federal contracts. SAM.gov lists it as small under 2 NAICS codes; the public file leaves its answer for its primary code, 541511, blank. It has won about $500 in federal prime contracts since fiscal year 2024, according to USAspending.gov's award records for its UEI.
- UEI
- LNYXAGUM6SA7
- CAGE code
- 55ZF8
- SAM.gov registration
- Expired
Federal contract history
| Fiscal year | Obligated, prime contracts |
|---|---|
| FY2026 (incomplete) | $500 |
FY2026 is still incomplete and will rise until about early January 2027 as Defense data arrives: USAspending.gov publishes Defense contracts 90 days after they're signed.
These are every prime contract USAspending.gov records under UEI LNYXAGUM6SA7, from its award search. For a company that is part of a parent company, USAspending's recipient page can show a different figure for a year, because it counts the company's own record and its parent's record separately.
Its biggest federal customers since fiscal year 2024: Missile Defense Agency ($500).
Recent contract awards
New contracts, by the date each was first signed. Orders and changes to older contracts count in the yearly totals above but aren't listed here, and Defense awards appear 90 days after signing.
| Awarded | Agency | What it's for | Obligated |
|---|---|---|---|
| Dec 19, 2025 | Missile Defense Agency | Scalable homeland innovative enterprise layered defense (SHIELD) initial order. | $500 |
| Jul 7, 2023 | Bureau of the Fiscal Service | Under this BPA order, the contractor shall support the analysis, design, development,… | $1.1 million |
| Oct 1, 2022 | Bureau of the Fiscal Service | Picoe operational support | $1.8 million |
| Oct 1, 2022 | Bureau of the Fiscal Service | NPIRC legacy system support services | $1.4 million |
| Jul 29, 2022 | Bureau of the Fiscal Service | The contractor shall support the design, development, and implementation of an identity… | $410,496 |
| Jul 25, 2022 | Bureau of the Fiscal Service | The contractor shall provide data science services to support picoe operational… | $1.1 million |
Figures are prime contract obligations reported to USAspending.gov. Subcontract work is listed separately below.
Subcontract work reported by primes
Prime contractors reported 3 subcontracts to it worth about $1.9 million in the last five years, according to USAspending.gov. Primes only have to report subcontracts of $40,000 or more (since October 1, 2025; $30,000 before that), so smaller jobs are missing. Amounts are net of any cuts primes reported. None of this is in the prime contract figures.
| Prime contractor | For | Subcontracts | Amount | Latest |
|---|---|---|---|---|
| CACI, Inc. - Federal | Offices, Boards and Divisions, Department of the Army | 3 | $1.9 million | Jan 3, 2025 |
Registration details
Show registration details
From SAM.gov's monthly public file dated Oct 5, 2026. If the business has updated its registration since, SAM.gov shows the newer details.
| Legal business name | Custom Software Systems Inc |
|---|---|
| Unique Entity ID (UEI) | LNYXAGUM6SA7 |
| CAGE code | 55ZF8 |
| Location | Leesburg, VA |
| SAM.gov registration | Expired Oct 15, 2026 |
| Business started | 1990 |
| Primary NAICS code | 541511: Custom Computer Programming Services |
| Website | www.customsoftwaresystems.com |
| How to contact | Through its website above. No phone or email in SAM.gov's public file. Search UEI LNYXAGUM6SA7 in SBA's Small Business Search for a contact the business added. |
Certifications and business types
- SBA HUBZone certified (as of SAM.gov's public file dated Oct 5, 2026)
- SBA-certified women-owned small business (as of SAM.gov's public file dated Oct 5, 2026)
- Women-owned (self-reported in SAM.gov)
- Women-owned small business (self-reported in SAM.gov)
SBA certifications let a business compete for set-aside contracts (set-asides explained). Check the current record on its SAM.gov entry.
How to check or correct this record
The public file gives neither the date a certification started nor the firm's employee count. Self-reported business types are what the firm says about itself on SAM.gov; they aren't SBA certifications.
Check or correct this record at the source: open its SAM.gov entry, or search UEI LNYXAGUM6SA7 () in SAM.gov's entity search (free sign-in), which shows its size answer for 541511, 541512, 541611, 541690, 541990 and 561110, left blank in the public file, and in SBA's Small Business Search (formerly DSBS), which shows SBA certifications. The business can update its details in its SAM.gov registration and its certifications at certifications.sba.gov.
NAICS codes Custom Software Systems Inc is small under
On its SAM.gov registration, Custom Software Systems Inc meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 541519 Other Computer Related Services
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
Its other NAICS codes
Custom Software Systems Inc also lists these codes, but SAM.gov's public file leaves its size answer for them blank, so we can't say whether it is small under them. Its entry on SAM.gov shows the answer for each.
- 541511 Custom Computer Programming Services
- 541512 Computer Systems Design Services
- 541611 Administrative Management and General Management Consulting Services
- 541690 Other Scientific and Technical Consulting Services
- 541990 All Other Professional, Scientific, and Technical Services
- 561110 Office Administrative Services
Open contracts in Custom Software Systems Inc's NAICS codes
330 open federal opportunities on SAM.gov use one of Custom Software Systems Inc's NAICS codes and may be open to it: no set-aside, or, in the codes it is registered small under, a small business set-aside or one for an SBA certification SAM.gov's file lists for it (HUBZone and women-owned (WOSB)). In its other codes only notices with no set-aside count, since SAM.gov's file doesn't say whether it is small there. Here are a few, those in its primary code first, then those in Virginia, then the soonest due.
- Web Sustainment/Content Management/Cloud Hosting
✦ This is a sources sought notice (market research), not a request for proposals: the Defense Human Resources Activity, for the Personnel and Readiness Management Agency (PRMA) and…
Due in 6 daysNov 3, 2026, 12:00 PM EST
- F-35 JPO Enterprise Data Science and Analytics Support
Due in 13 daysNov 10, 2026, 5:00 PM EST
- AF-PLM Capability Integration, Sustainment & Licenses
✦ Solicitation FA8770-26-R-B009-SS2 is a sources sought notice (a request for information, or RFI) from the Department of the Air Force (office FA8770 AFLCMC GBK) for market…
Due in 8 daysNov 5, 2026, 3:00 PM ESTThe AI summary flags this date. Check SAM.gov.
- CenTAM_Special Notice_Acquisition Update
Due in 9 daysNov 6, 2026, 12:00 PM EST
- NOAA NOS OCS Coast Pilot Production System- Maintenance and Support
Due in 9 daysNov 6, 2026, 12:00 PM EST
Similar small businesses
Other small businesses of a similar size with the same primary NAICS code (541511) that have won federal contracts in Virginia:
- Centurion Consulting Group, LLC, Ashburn, VA
- Summit Information Solutions, Inc, Richmond, VA
- Verbaai LLC, Great Falls, VA
- Spectric Labs, Inc., Chantilly, VA
- Spectrum Center Inc., McLean, VA
- Global Techpro, LLC, Vienna, VA
Frequently asked questions
What is Custom Software Systems Inc's CAGE code?
Custom Software Systems Inc's CAGE code is 55ZF8. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Custom Software Systems Inc's UEI?
Custom Software Systems Inc's Unique Entity ID (UEI) is LNYXAGUM6SA7. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Custom Software Systems Inc's SAM.gov registration active?
As of SAM.gov's public data from Oct 5, 2026, Custom Software Systems Inc's registration expired Oct 15, 2026. A business can't receive new federal awards until it renews.
Is Custom Software Systems Inc a small business?
Custom Software Systems Inc is registered on SAM.gov as small under 2 NAICS codes. SAM.gov's public file doesn't say whether it is small under its other 6 codes; its SAM.gov entry shows the answer for each. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
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- How to become a government subcontractor
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Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To report a mistake on this page, or to ask us to remove it, email hello@fedready.us with the page address; we reply within 2 business days. For a removal, write from an address at the company.