Ocean Acoustical Services and Instrumentation Systems, Inc.

Lexington, MA · Defense · Acquired by ThayerMahan (2020)

Autonomous underwater vehicle (UUV) with passive acoustic monitoring system for detecting, classifying, and locating marine mammals

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Updated Oct 23, 2026 · oasislex.com

Sector: Defense
Headquarters: Lexington, MA
Total capital: $63.8M

Federal grants: $1.6M; 2 awards · 2015–2020; Rank in peer group#28 of 66
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $62.2M; 45 awards · Defense; Rank in Defense#126 of 1442
Granted patents: 4; first 2018; Rank in peer group#8 of 66

Capital timeline

Latest events

Sep 2021Federal contractDefense · Engineering, Technical, Design, Field, And Integrated Logistics Services In Support Of The Computational And Experimental Mechanics Laboratory (ceml).$283K
Mar 2021Federal contractDefense · Autonomous Uxv Surveillance System Research And Development$6.1M
May 2020Federal contractDefense · Progress Report$140K
Mar 2020Federal grantDefense · Phase I · Unmanned Underwater Vehicle (UUV) Technology to Enable Readiness of Navy Ranges$140K
Dec 2019Federal contractDefense · Research And Development$750K
Aug 2019Federal contractDefense · Research And Development$839K
Jun 2018Federal contractDefense · Progress Report "igf::ot::igf"$225K

Show 39 earlier federal awards

May 2018Federal contractDefense · Research And Development Igf::ot::igf$225K
Jan 2018Federal contractDefense · Research And Development$375K
May 2017Federal contractDefense · Igf::ct::igf$174K
May 2016Federal contractDefense · Igf::ot::igf$150K
Oct 2015Federal contractDefense · Igf::ct::igf SBIRSOL2015.2$79K
Oct 2015Federal contractDefense · Igf::ct::igf Exploiting Ocean Acoustics For Improved Undersea Surveillance$8.8M
Mar 2015Federal grantDefense · Phase II · Autonomous Classification of Acoustic Signals$1.5M
Mar 2015Federal contractDefense · Base Igf::ot::igf$1.5M
Mar 2015Federal contractDefense · Igf::ct::igf SBIRSOL2013.3$498K
Sep 2014Federal contractDefense · DOD STTR 13.A$743K
Sep 2014Federal contractDefense · Igf::ot::igf Pr 73-0203-14 R&d For Autonomous Adaptive Sampling For Operational Mission Planning$165K
Jul 2014Federal contractDefense · STTR Sol 14.A$80K
Apr 2014Federal contractDefense · Technical Engineering Support Services For Nuwcdivnpt Code 85 Computational And Experimental Mechanics Laboratory (ceml) Test Facilities Igf::ot::igf$5.7M
Mar 2014Federal contractDefense · Igf::ot::igf Living Marine Resources R&d For Study Of Naval Noise Impact On Marine Mammals$1.5M
Mar 2014Federal contractDefense · Long Range Broad Agency Announcement (baa) For Navy And Marine Corps Science And Technology$396K
Oct 2013Federal contractDefense · SBIRSOL2013.2$140K
Sep 2013Federal contractDefense · DOD 2012.A STTR Solicitation Under STTR Topic Number N12A-T016, Oasis Will Develop An Improved Understanding Of Regional Under-ice Acoustic Propagation, As Required To Design, Build And Field A Successful Navigation System For Performing Remote Operations Under Arctic Ice.$469K
Jul 2013Federal contractDefense · DOD STTR 13.A$150K
Jun 2013Federal contractDefense · Status Report$150K
Jun 2012Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$150K
Mar 2011Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$132K
Mar 2011Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$195K
Jun 2010Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$1M
Jan 2010Federal contractDefense · AUV$616K
Jun 2009Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$100K
Apr 2009Federal contractDefense · 73-0171-09 Glider Observational Strategies (gost)$829K
Nov 2008Federal contractDefense · Engineering Services$200K
Aug 2008Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$14.5M
Jun 2008Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$487K
Apr 2008Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$1M
Mar 2008Federal contractDefense · Engineering Services$245K
Oct 2007Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$734K
Aug 2007Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences$2.9M
Mar 2007Federal contractDefense · Engineering Services$123K
Feb 2007Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences$569K
Feb 2007Federal contractDefense · N00178-04-D-4095-N401$3.8M
Jul 2006Federal contractDefense · 200610!062114!1700!N00039!SPACE And Naval Warfare Systems !N0003906C0063 !a!n! !n! ! !20060726!20080726!611628595!611628595!611628595!N!OCEAN Acoustical Services And !5 Militia Dr Ste 104 !lexington !MA!02421!35250!017!25!LEXINGTON !middlesex !mass !+000000591757!N!N!000000000000!AZ11!RDTE/OTHER Research & Development-basic Research !S1 !services !000 !not Discernable !541330!E! !3! ! ! ! ! !999$740K
Mar 2006Federal contractDefense · 200607!003211!1700!N00014!OFFICE Of Naval Research !N0001406C0113 !a!n! !n! ! !20060313!20080313!611628595!611628595!611628595!N!OCEAN Acoustical Services And !5 Militia Dr Ste 104 !lexington !MA!02421!35250!017!25!LEXINGTON !middlesex !mass !+000000350000!N!N!000000000000!AD92!RDTE/OTHER Defense-applied Research !S1 !services !000 !* !541710!E! !3! ! ! ! ! !999$693K
May 2005Federal contractDefense · 200510!004242!1700!N00014!OFFICE Of Naval Research !N0001405C0208 !a!n! !n! ! !20050519!20090518!611628595!611628595!611628595!N!OCEAN Acoustical Services And !5 Militia Dr Ste 104 !lexington !MA!02421!35250!017!25!LEXINGTON !middlesex !mass !+000000583532!N!N!000000000000!AD91!RDTE/OTHER Defense-basic Research !S1 !services !000 !* !541710!E! !3! ! ! ! ! !202$3.5M

Federal awards are summed by year (46 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.

1 record has no date or no amount, so it isn’t placed on the timeline.

Standing among 66 peers

Line = median

Defense · System

Federal grants#28 · top 42%
Granted patents#8 · top 12%

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

USPTO · 4 granted of 4

Jul 28, 2020GrantedSystem And Method For Autonomous Joint Detection-classification And Tracking Of Acoustic Signals Of InterestUSPTOUS 10,725,149
Jul 7, 2020GrantedSystem And Method For Including Soundscapes In Online Mapping UtilitiesUSPTOUS 10,708,687
Apr 17, 2018GrantedSystem And Method For Including Soundscapes In Online Mapping UtilitiesUSPTOUS 9,949,020

Show all 4 patent records

System And Method For Autonomous Joint Detection-classification And Tracking Of Acoustic Signals Of InterestJul 28, 2020 · US 10,725,149Granted
System And Method For Including Soundscapes In Online Mapping UtilitiesJul 7, 2020 · US 10,708,687Granted
System And Method For Including Soundscapes In Online Mapping UtilitiesApr 17, 2018 · US 9,949,020Granted
System And Method For Autonomous Joint Detection-classification And Tracking Of Acoustic Signals Of InterestJan 16, 2018 · US 9,869,752Granted

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ANYAR INC.Similar federal contract value in Defense · $61.6M in contracts
Gray Analytics, Inc.Similar federal contract value in Defense · $61.3M 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.