4S - SILVERSWORD SOFTWARE & SERVICES, LLC
Software and algorithms for space-based measurement and high-resolution modeling of the Planetary Boundary Layer (PBL) and Marine Atmospheric Boundary Layer (MABL) using remote sensing data.
- Sector
- Aerospace
- Headquarters
- Catonsville, MD
- Total capital
- $1.3M
- Federal grants
- $1.3M
- 4 awards · 2018–2022
- Rank in peer group#27 of 44
- Private capital raised
- None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- None on recordNo USPTO grants. Applications publish after 18 months.
Capital timeline
Latest events
- Federal grantDefense · Phase I · Satellite Based Remote Sensing Data Fusion for Enhanced MABL Profiling$140K
- Federal grantDefense · Phase II · Mobile Phased Array Antenna using Through the Air Link Optical Component (TALOC) Technology$873K
- Federal grantDefense · Phase I · Short Range Through the Air Link Optical Component (TALOC)$140K
- Federal grantDefense · Phase I · Through the Air Link Optical Component (TALOC) for RF Denied Communications$125K
Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.
Standing among 44 peers
Line = medianAerospace · Components · Software
- Federal grantsBelow median
Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.
Founders and team
No founders are linked to this company yet.
Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.
Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026
Claim this profile to add your teamWhat it has protected
No granted patents are on record.
USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.
Checked: USPTO granted patents and published applications · Oct 23, 2026
Related companies, and why
- Pacific Antenna Systems LLCShares a founder: Ronald Smith
- AQST USA LLCSimilar federal contract value in Aerospace · null in contracts
- Geon Technologies, LLCSimilar federal contract value in Aerospace · null in contracts
- EVE VEHICLES CORPORATIONSimilar federal contract value in Aerospace · null in contracts
- HYPERION AEROSPACE LLCSimilar federal contract value in Aerospace · null in contracts
- Infibertech, Corp,Similar federal contract value in Aerospace · null in contracts
Regulatory activity · Aerospace
- Nondiscrimination in Federally Assisted Programs of NASA-Effectuation of Title VI of the Civil Rights Act of 1964National Aeronautics and Space Administration
- Special Conditions: AMAC Aerospace, The Boeing Company Model 747- 8 Airplane; Side-Facing SeatsFederal Aviation Administration
- Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous AmendmentsFederal Aviation Administration
- Operating Limitations at John F. Kennedy International AirportFederal Aviation Administration
- Operating Limitations at New York LaGuardia AirportFederal Aviation Administration
- Special Conditions: Honeywell Aerospace US LLC, Dassault Aviation Model Falcon 900EX Airplane; Electronic System Security Protection From Unauthorized External AccessFederal Aviation Administration
Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.
Sources
Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.
How to read this page
Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.
Data freshness
SEC Form D filings through . SBIR and STTR awards through .