SIGNAL SYSTEMS CORPORATION

Defense · Private

AMPORT: an autonomous mission planning optimization tool that ingests oceanographic data to dynamically model sonar sensor performance and automatically optimize sensor field layouts for naval anti-su

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Updated Oct 23, 2026 · signalsystemscorp.com

Sector: Defense
Total capital: $88.6M

Federal grants: $5.1M; 8 awards · 2015–2025; Rank in peer group#78 of 161
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $83.5M; 86 awards · Defense, Interior; Rank in Defense#96 of 1442
Granted patents: None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

Latest events

Jan 2026Federal contractDefense · Artificial Intelligence (AI) Solutions For Air Anti-submarine Warfare (asw) Systems$90K
Jul 2025Federal grantDefense · Phase II · Research And Development$1.0M
Jul 2025Federal contractDefense · Research And Development$1.0M
Jun 2025Federal grantDefense · Phase I · New SBIR Ph I Award N251-039$140K
Jun 2025Federal contractDefense · New SBIR Ph I Award N251-039$140K
Jun 2025Federal contractDefense · SBIR Phase III Research & Development$3.9M
Jun 2025Federal grantDefense · Phase II · Research And Development$986K

Show 87 earlier federal awards

Jun 2025Federal contractDefense · Research And Development$986K
Sep 2024Federal grantDefense · Phase II · BASE$694K
Sep 2024Federal contractDefense · BASE$1.4M
Jul 2024Federal grantDefense · Phase I · SBIR Ph I$140K
Jul 2024Federal contractDefense · SBIR Ph I$140K
Jun 2024Federal grantDefense · Phase I · SBIR Ph I$140K
Jun 2024Federal contractDefense · SBIR Ph I$140K
May 2024Federal contractDefense · Autonomous Active Acoustic Processor (aaap)$1.4M
Dec 2023Federal grantDefense · Phase II · Research And Development$999K
Dec 2023Federal contractDefense · Research And Development$1.6M
Aug 2023Federal contractDefense · SBIR Phase I$240K
Feb 2023Federal contractDefense · Signal Systems SBIR PH2.5 Research And Development$1.5M
Jan 2023Federal contractDefense · SBIR Phii Research And Development$1.3M
Dec 2022Federal contractDefense · Development And Testing For Fdas Project.$129K
Jul 2022Federal contractDefense · SBIR Phase I.$140K
Mar 2022Federal contractDefense · Engineering Services$247K
Feb 2022Federal contractDefense · Research And Development$1.9M
Oct 2021Federal contractDefense · Kick-off Briefing Materials & Fwa Cert.$140K
Jul 2021Federal contractDefense · SBIR Ph I$140K
Jul 2021Federal contractDefense · SBIR Ph I$240K
Jul 2021Federal contractDefense · Seaport Nxg Minimum Obligation Task Order$500
Dec 2020Federal contractDefense · Clutter Reduction In Multi-pulse Sonar (crimps)$298K
Oct 2020Federal contractDefense · SBIR Phase I$240K
Jun 2020Federal contractDefense · Research And Development$14.6M
May 2019Federal contractDefense · Igf::ot::igf$140K
May 2019Federal contractDefense · Research And Development$1.5M
Sep 2018Federal contractDefense · Research And Development Igf::ot::igf$1.4M
Sep 2018Federal contractDefense · Research And Development Igf::ot::igf$1.0M
Jul 2018Federal contractDefense · Igf::ot::igf SBIR Ph I$225K
Mar 2018Federal contractDefense · Research And Development SBIR Phase II, Igf::ot::igf$1.0M
Jan 2018Federal contractDefense · Research And Development Igf::ot::igf$5.2M
Dec 2017Federal contractDefense · SBIR Phase II Topic N162-099 Igf::ot::igf$1.0M
Sep 2017Federal contractDefense · Research And Development Igf::ot::igf$225K
Aug 2017Federal contractDefense · Igf::ot::igf Status Report$125K
Aug 2017Federal contractDefense · Igf::ot::igf Status Report$125K
Jun 2017Federal contractDefense · Research And Development Igf::ot::igf$225K
Jun 2017Federal contractDefense · SBIR Phase I Accurate Sensing Of Low Speed Vehicle Motion Relative To A Moving Platform Igf::ot::igf$125K
Feb 2017Federal contractInterior · Low Power Tri-axial Acoustic Sensor Igf::ct::igf$62K
Sep 2016Federal contractDefense · SBIR Pi R&d. Igf::ot::igf$150K
Sep 2016Federal contractDefense · SBIR Pi R&d. Igf::ot::igf$150K
Apr 2016Federal contractInterior · Igf::ot::igf / SBIR-H-SB0011.2-001 Phase III / Signal Systems Corporation "three Dimensional Acoustic Sensing Unit (3DASU)"$465K
Mar 2016Federal contractDefense · Research And Development "igf::ot::igf"$4.4M
Feb 2016Federal contractDefense · Igf::ct::igf$12K
Jan 2016Federal contractDefense · Igf::cl::igf Next Generation Airborne Passive System (ngaps) Field Control / Contact Fusion$1.1M
Jul 2015Federal grantDefense · Phase II · Autonomous Environmental Sensor Performance Prediction Tool for Multi-Static Active and Passive Anti-Submarine Warfare (ASW) Systems$994K
Jan 2015Federal contractDefense · Base Igf::ot::igf$1.5M
May 2014Federal contractDefense · N141-009$150K
Feb 2014Federal contractDefense · SBIR Phase II.5 Topic N101-005$1.5M
Sep 2013Federal contractDefense · Research&development$4.7M
Jun 2013Federal contractDefense · Status Report$80K
Jun 2013Federal contractDefense · Status Report$150K
Apr 2013Federal contractDefense · Deep Strike: Target Prosecution With Deep Sea Operations.$752K
Apr 2013Federal contractDefense · SBIR Phase I Army A123-110-0011$100K
Nov 2012Federal contractInterior · Igf::ot::igf - SBIR 11.2 Phase II - Three Dimensional Acoustic Sensing Unit (3DASU)$750K
Oct 2012Federal contractDefense · SBIR Phase I Topic N122-122$80K
Sep 2012Federal contractDefense · R&d SBIR P2.5$1.5M
Jul 2012Federal contractDefense · Research And Development Baa Rif$2.2M
Jan 2012Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$846K
Dec 2011Federal contractDefense · SBIR Phase II Topic N093-168$750K
Oct 2011Federal contractInterior · Dhs SBIR 11.2 Phase I - Proposal Title "three Dimensional Acoustic Sensing Unit (3DASU)"$100K
Aug 2011Federal contractDefense · Services Iaw The Sow (base)$1.2M
Mar 2011Federal contractDefense · SBIR #N101-005$679K
Apr 2010Federal contractDefense · R&d SBIR Topic N101-005$150K
Feb 2010Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$937K
Jan 2010Federal contractDefense · R&d SBIR Topic N093-167$80K
Jan 2010Federal contractDefense · R&d SBIR Topic N093-168$150K
Dec 2009Federal contractDefense · Basic - N08-171 Signal Systems Corp.$741K
Oct 2009Federal contractInterior · Internet Bandwith, Dedicate Phone Line Direct Dail, 10/100 Base T - Nr South Florida/caribbean Network Coordinator$35K
Sep 2009Federal contractInterior · Internet Service$33K
Sep 2009Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$68K
Jun 2009Federal contractDefense · Technical Data$100K
Apr 2009Federal contractDefense · SBIR Phase I Topic N091-010$80K
Feb 2009Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$727K
Sep 2008Federal contractDefense · First Status Report$100K
Sep 2008Federal contractInterior · Telephone And Data Connections$17K
Sep 2008Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$30K
Jul 2008Federal contractDefense · Research And Development$4.5M
Mar 2008Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$1.3M
Jan 2008Federal contractDefense · R&d SBIR Topic N06-011$745K
Sep 2007Federal contractDefense · Research And Development SBIR Topics N03-014, N04-007 & N06-011$407K
Jun 2007Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences$398K
Nov 2006Federal contractDefense · SBIR Phase II +$140K
Aug 2005Federal contractDefense · 200511!368512!1700!N68335!NAVAL Air Engineering Station !N6833505C0343 !a!n! !y! ! !20050822!20070831!958055055!958055055!958055055!N!SIGNAL Systems Corp !877 Baltimore Annapolis B !severna Park !MD!21146!71200!003!24!SEVERNA Park !anne Arundel !maryland !+000000500000!N!N!000000998032!AC62!RDTE/ELECTRONICS & Communication Eq-applied Resea !A7 !electronics And Communication Equip !000 !* !541710!E! !3! ! ! ! ! !202$1.3M
Mar 2005Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences$943K
Mar 2005Federal contractDefense · 200506!003639!1700!N00014!OFFICE Of Naval Research !N0001405C0206 !a!n! !n! ! !20050328!20070331!958055055!958055055!958055055!N!SIGNAL Systems Corp !877 Baltimore Annapolis B !severna Park !MD!21146!71200!003!24!SEVERNA Park !anne Arundel !maryland !+000000150000!N!N!000000000000!AD92!RDTE/OTHER Defense-applied Research !S1 !services !000 !* !541710!E! !3! ! ! ! ! !202$589K
Feb 2005Federal contractDefense · 200505!123069!1700!N00421!NAVAL Air Warfare Center Air DIV!N0042104C0027 !a!n! !n! !P00002!20050216!20040930!958055055!958055055!958055055!N!SIGNAL Systems Corp !877 Baltimore Annapolis B !severna Park !MD!21146!71200!003!24!SEVERNA Park !anne Arundel !maryland !+000000570000!N!N!000000000000!AC62!RDTE/ELECTRONICS & Communication Eq-applied Resea !C9E!ALL Other Supplies And Equipment !000 !* !541710!A!A!3! ! !d! ! !202$1.1M
Dec 2001Federal contractDefense · 200207!000176!2100!AD17 !usa Materiel Command ACQUISITION!DAAD1702C0018 !a!n! !y! !20011204!20021205!958055055!958055055!958055055!N!SIGNAL Systems Corporation !877 Baltimore Annapolis Bl!severna Park !MD!21146!71200!003!24!SEVERNA Park !anne Arundel !maryland !+000000390926!N!N!000000000000!AD96!RDTE/OTHER Defense-management Support !S1 !services !1000!NOT Discernable Or Classified !541710!E! !3! ! ! ! ! !99990909!B$1.4M

Federal awards are summed by year (94 awards); hover a bar for the split. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 161 peers

Line = median

Defense · Software

Federal grants#78 · top 48%

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

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What 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

R CUBED ENGINEERING LLCSimilar federal contract value in Defense · $86.8M in contracts
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QUANTUM TECHNOLOGY SCIENCES, INC.Similar federal contract value in Defense · $84.3M in contracts
Silvus Technologies, Inc.Similar federal contract value in Defense · $83.4M in contracts
NANOHMICS INCSimilar federal contract value in Defense · $82.5M in contracts
RINCON RESEARCH CORPORATIONSimilar federal contract value in Defense · $82.4M in contracts

Regulatory activity · Defense

Sector-level, not company-level

11 Jun 2026Danger Zone; Waters of Carr Creek and Whitehall Bay in the Vicinity of the Naval Support Activity AnnapolisEngineers Corps
13 Mar 2026Federal Acquisition Regulation; Federal Acquisition Circular 2026-01; IntroductionNational Aeronautics and Space Administration
13 Mar 2026Federal Acquisition Regulation: Trade Agreements ThresholdsNational Aeronautics and Space Administration
13 Mar 2026Federal Acquisition Regulation; Federal Acquisition Circular 2026-01; Small Entity Compliance GuideNational Aeronautics and Space Administration
27 Aug 2025Federal Acquisition Regulation; Federal Acquisition Circular 2025-06; Small Entity Compliance GuideNational Aeronautics and Space Administration
27 Aug 2025Federal Acquisition Regulation; Federal Acquisition Circular 2025-06; IntroductionNational Aeronautics and Space 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 Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.