Ann Arbor Tech Companies: The 2026 Definitive Directory

By A2Hub Editorial. Published 2026-04-22. Last updated: 2026-04-22.

This is the master directory for Ann Arbor tech in 2026. Every company below is real, operating, and tied to Ann Arbor by headquarters, primary office, or a substantial regional engineering presence. The list is organized by tier (Anchors, Scaling, Emerging, Historical) within an editorial overview that situates the cluster, then the by-category breakdown links into the dedicated hub pages where each vertical is covered in depth.

The headline numbers are worth front-loading. The Cisco acquisition of Duo Security in October 2018 for $2.35 billion remains the single largest tech exit in Ann Arbor history. Llamasoft sold to Coupa for approximately $1.5 billion in November 2020. Truven Health Analytics sold to IBM Watson Health for $2.6 billion in April 2016 (and was later spun out to Francisco Partners as Merative in 2022). ProQuest sold to Clarivate for approximately $5.3 billion in December 2021. NETSCOUT acquired Danaher's Communications business including Arbor Networks for roughly $2.3 billion in 2015. HistoSonics crossed unicorn status in a 2024 majority-stake recap led by K5 Global, Bezos Expeditions, and Wellington Management at a $1 billion-plus valuation. Add in HandyLab to BD ($275 million, 2009), Accuri Cytometers to BD ($205 million, 2011), and NeuMoDx to QIAGEN (2020), and the result is roughly $13 billion of disclosed exit value generated by a city of 123,000 people in 15 years. That is the foundation everything below sits on top of.

The 2026 ecosystem splits across roughly 20 vertical clusters. Cybersecurity is anchored by Cisco Duo, Censys (the U-M-spinout internet intelligence company at 116 South Main with $143 million raised), Blumira (cloud SIEM with $27.9 million across rounds), Arbor Networks inside NETSCOUT, and Barracuda's downtown R&D office. Mobility and autonomy is the most kinetic cluster, with May Mobility at $307 million raised across Series A through D, Torc Robotics opening a 32,000 square foot Ann Arbor Technology Center in June 2025, Refraction AI on the sidewalk delivery robot side, Quantum Signal AI as a Ford subsidiary in Saline, and three separate Toyota R&D entities plus Mercedes R&D in the metro. AI is the fastest-growing cluster, validated by Brookings's 2025 designation of Ann Arbor as one of 28 US "AI Star Hubs" alongside Austin, Boston, Seattle, Raleigh-Durham, Boulder, and Princeton; Voxel51 (computer vision data, $45.5 million raised including a $30 million Series B led by Bessemer in May 2024), Clinc (conversational AI for banking, ~$60 million raised), Genomenon (AI for genomic interpretation), BlueConduit (AI for water infrastructure), MemryX (edge AI silicon, $63 million raised), Sight Machine (manufacturing AI), Deepgram (voice AI, with Ann Arbor founding lineage now headquartered in San Francisco), and Invisible AI (computer vision for manufacturing) are the named scaling players. Biotech and medtech is structurally deep, with HistoSonics as the unicorn, Esperion Therapeutics as the only commercial-stage NASDAQ biopharma in town (NASDAQ: ESPR, market cap roughly $732 million as of March 2026), Strata Oncology, ONL, Akadeum, Workit Health ($118 million Series C at a $500 million valuation in October 2021), Genomenon, ArborMetrix, Ripple Science, TRAILS, and the Terumo Cardiovascular global divisional headquarters at 6200 Jackson Road with 1,000-plus employees.

The SaaS cluster is the most underrated by national observers because the headline names are now inside larger acquirers (Coupa-Llamasoft, Clarivate-ProQuest, Merative-Truven, Verint-ForeSee). The independent SaaS layer is wider than people realize: Optilogic (Don Hicks's Llamasoft follow-on), Nutshell (CRM for SMBs, acquired by WebFX in 2022 with the Ann Arbor team retained), ArborMetrix (healthcare analytics on Liberty Street), Sight Machine, Amesite (NASDAQ: AMST), Ripple Science, Menlo Innovations (the most-toured engineering culture in the Midwest at 410 N. Fourth Avenue), Nexient (NTT DATA), and Logic Solutions. Semiconductors got serious in 2021 when KLA opened its second US headquarters in the Ellsworth corridor with 600-plus engineers as the home of the company's AI R&D team. Climate tech is anchored by SkySpecs at roughly $140 million raised including the $80 million Goldman Sachs Sustainable Investing-led round in May 2022, with BlueConduit, VelocityEHS (Chicago HQ with Ann Arbor office), Sequestro, and LiveRoad Analytics filling out the publishable list.

The smaller clusters matter for completeness. Fintech is small and honest about it: Plinqit, Nickels, Clinc, and Mahalo Banking (in Chelsea, edge of the Ann Arbor region). Gaming centers on Image Space's 33-year run building rFactor and rFactor Pro, with a small indie scene around HardBoiled, Heart Shaped Games, and Gaudium plus the WolverineSoft U-M student studio. AR/VR is Avegant's lineage plus Voxel51's adjacency. Insurtech is one company (Groundspeed Analytics, acquired by Insurance Quantified in June 2023 with the Ann Arbor office retained). Edtech runs through Amesite, TRAILS, ProQuest's legacy, and U-M's Center for Academic Innovation. Devtools, hardware, and life sciences tools cross-cut multiple verticals (Voxel51, Optilogic, MemryX as devtools; KLA, MemryX, Movellus, Avegant, Terumo as hardware; Sartorius, Akadeum, Genomenon, TSRL as life sciences tools).

The corporate footprint is the part most outside narratives understate. Google's 2300 Traverwood Drive campus (400-plus employees on a 135,000 square foot site, one of two global Google internal IT offices). Cisco Duo (350-plus Michigan-based at Liberty Square downtown). KLA (600-plus engineers in the Ellsworth corridor). Toyota R&D (760-plus). TRI-ANN (~50). Mercedes-Benz R&D (760-plus). Nexient/NTT DATA (hundreds). Barracuda (180-plus historical). Accuris (continuing AA office inherited from IHS Markit). The combined corporate engineering footprint is roughly 2,500 to 3,500 jobs that get less coverage than the startup scene but pay a substantial portion of the rent.

Below is the directory, organized first by tier (Anchors, Scaling, Emerging, Historical) for editorial weight, then by category for navigability.

Tier 1 Anchors

These are the must-know companies. Each one shapes the local ecosystem in a way that affects everything else.

Cisco Duo (Duo Security) is the largest tech exit in Ann Arbor history. MFA and zero trust access, downtown at Liberty Square, ~350 Michigan-based. Acquired by Cisco for $2.35 billion in October 2018. See cybersecurity hub.
May Mobility is the autonomous shuttle and microtransit operator headquartered in Ann Arbor with $307 million raised and ~342 employees. Driverless commercial service in Peachtree Corners, GA; partnership with Lyft starting Atlanta 2025. See mobility hub.
Google Ann Arbor operates from 2300 Traverwood Drive with 400-plus employees including AdWords engineering and one of two global Google internal IT offices. See large tech corp offices.
Censys is the U-M-founded internet intelligence and attack surface management company at 116 South Main Street. Approximately $143 million raised. ODNI multi-year contract announced late 2024. See cybersecurity hub.
KLA Corporation opened its second US headquarters in Ann Arbor in November 2021 with 600-plus engineers as the home of KLA's AI R&D team. $150 million campus in the Ellsworth corridor. See semiconductors hub.
Toyota Motor North America R&D has been Ann Arbor's longest-tenured corporate anchor at 50-plus years and roughly 760 employees. See mobility hub.
Toyota Research Institute Ann Arbor (TRI-ANN) is Toyota Research Institute's third US facility, focused on fully autonomous driving, robotics, AI, and materials science. See mobility hub.
Barracuda Networks runs its largest R&D center outside California from the former Borders headquarters at 317 Maynard Street downtown. See cybersecurity hub.
Arbor Networks (NETSCOUT) is the historical DDoS protection anchor, founded in 2000 by U-M professor Farnam Jahanian as a Michigan and DARPA spinout. Acquired by NETSCOUT via Danaher in 2015 for roughly $2.3 billion. See cybersecurity hub.
Esperion Therapeutics (NASDAQ: ESPR) is the only commercial-stage listed biopharma in town. Cardiometabolic therapies (NEXLETOL, NEXLIZET, Enbumyst). Market cap around $732 million in March 2026. See biotech hub.
HistoSonics is Michigan's newest unicorn at $1 billion-plus, valued in the 2024 K5 Global, Bezos Expeditions, and Wellington Management recap following the October 2023 FDA De Novo clearance for the Edison focused-ultrasound system. See medtech hub.
Voxel51 is the computer vision dataset platform, $45.5 million raised including a $30 million Series B led by Bessemer in May 2024. See AI hub.
Terumo Cardiovascular Systems is Ann Arbor's largest medical device employer, 1,000-plus employees at 6200 Jackson Road as Terumo's global cardiovascular division headquarters. See medtech hub.
Coupa (formerly Llamasoft) is the supply chain design and optimization platform. Llamasoft sold to Coupa in November 2020 for approximately $1.5 billion. See SaaS hub.
ProQuest (Clarivate) is the academic information and research databases business. Acquired by Clarivate in December 2021 for approximately $5.3 billion. See SaaS hub.
Truven Health Analytics (Merative) is healthcare data and analytics. IBM Watson Health acquired in April 2016 for $2.6 billion; spun to Francisco Partners as Merative in 2022. See SaaS hub.
Workit Health is telehealth addiction treatment. $118 million Series C in October 2021 led by Insight Partners at a $500 million valuation. See biotech hub.
Menlo Innovations is the custom software development firm at 410 N. Fourth Avenue, famous for 100% pair programming and Sheridan's "Joy, Inc." culture manifesto. See SaaS hub.

Tier 2 Scaling

Active mid-stage operators with verifiable headcount, capital, and product traction.

ArborMetrix is healthcare real-world data analytics on Liberty Street, ~$33 million raised. See SaaS hub.
Nutshell is SMB CRM founded 2009, acquired by WebFX in October 2022 with the Ann Arbor team retained. See SaaS hub.
ForeSee (Verint) is the customer experience intelligence pioneer founded 2001 in Ann Arbor. See SaaS hub.
Nexient (NTT DATA) operates the Ann Arbor Product Development Center with hundreds of agile software services staff. See large tech corp offices.
Logic Solutions has been building custom software, mobile, and web apps from Ann Arbor since 1995. See SaaS hub.
Clinc is conversational AI for banking at 220 East Huron Street, ~$60 million raised. Customers include USAA, Ford, Turkish Is Bank, Landmark CU. See AI hub.
Blumira is cloud SIEM and XDR for mid-market IT teams, ~$27.9 million raised. Duo co-founder Jon Oberheide participated in the 2023 Ten Eleven Ventures-led Series B. See cybersecurity hub.
MemryX designs edge AI accelerator chips, $63 million raised including the 2025 $44 million Series B. Founded by U-M EECS professor Wei Lu in 2019. See semiconductors hub.
SkySpecs is the wind turbine drone inspection and renewable asset management platform, ~$140 million raised including the $80 million Goldman Sachs Sustainable Investing-led round in May 2022. See climate tech hub.
Sight Machine is manufacturing analytics with offices in San Francisco and Ann Arbor, ~67 employees, Global 500 customers. See SaaS hub.
BlueConduit applies AI to water infrastructure (lead service line identification) across 50-plus US cities. Foundation and federal funding. See climate tech hub.
Genomenon is AI for genomic interpretation. Mastermind indexes 40 million-plus articles for variant evidence. ~$36.8 million raised including a $20 million Series B led by Beringea in 2022. See AI hub.
Strata Oncology is precision oncology with the Strata Trial network. ~$90 million round closed July 2021. See medtech hub.
Akadeum Life Sciences ships buoyancy-activated cell sorting (BACS). $20 million-plus closed in June 2025. See medtech hub.
ONL Therapeutics is clinical-stage ocular neuroprotection. U-M spinout in Ann Arbor. See medtech hub.
Ripple Science is clinical trial recruitment and patient engagement SaaS, customers include Hopkins, UCLA, Penn State, U-M. See biotech hub.
Refraction AI builds the REV-1 sidewalk and bike-lane delivery robot. ~$10.7 million raised. See robotics hub.
Quantum Signal AI (Ford) is Ford's autonomous simulation, mobile robotics, and AV algorithms subsidiary in Saline. See mobility hub.
Torc Robotics opened the 32,000 square foot Ann Arbor Technology Center in June 2025 toward a 2027 commercial launch of self-driving Freightliner Cascadia trucks. See mobility hub.
Mercedes-Benz R&D North America maintains a roughly 760-employee Ann Arbor presence around South Maple Road. See large tech corp offices.
Accuris continues the IHS Markit Ann Arbor engineering information lineage post-2023 KKR carve-out. See large tech corp offices.
Deepgram is voice AI founded at U-M by Scott Stephenson and Noah Shutty. Headquartered in San Francisco with an Ann Arbor satellite. See AI hub.
Invisible AI is computer vision for manufacturing, with an Ann Arbor office at 330 East Liberty Street. See AI hub.
Movellus ships SoC clocking and droop detection IP. ~$37.5 million raised. Dual San Jose plus Ann Arbor presence. See semiconductors hub.
Optilogic is Don Hicks's Llamasoft follow-on, building Cosmic Frog as the cloud-native supply chain design platform. Customers include GM. See SaaS hub.
Amesite (NASDAQ: AMST) is AI-driven enterprise eLearning, publicly traded, headquartered in Ann Arbor. See edtech hub.
Plinqit is the savings app that pays users to learn finance, licensed to banks and credit unions. ~$5 million latest disclosed round. See fintech hub.
Nickels is the credit card health and revenue platform for banks and CUs, $4 million seed. See fintech hub.
Groundspeed Analytics (Insurance Quantified) is the commercial P&C data ingestion platform acquired by Insurance Quantified in June 2023 with the Ann Arbor office retained. See insurtech hub.
Sartorius (Ann Arbor Center of Excellence) opened the $100 million 130,000 square foot bioanalytics facility at 3874 Research Park Drive in 2024-2025. See life sciences tools hub.
TRAILS is the K-12 school mental health implementation organization founded at U-M in 2013, ~115 employees. See biotech hub.
VelocityEHS sells environmental, health, and safety compliance SaaS, Chicago HQ with an Ann Arbor office of meaningful size. See climate tech hub.

Tier 3 Emerging and seed stage

Early-stage and seed-stage companies on the SPARK Capital, Tech Trek, and recent investment radar.

Symbolic Systems builds enterprise AI agents for contact centers. Ann Arbor. See cybersecurity hub.
CircNova uses AI for circular RNA therapeutic development. See biotech hub.
Innsightful builds AI-powered mental health monitoring. See biotech hub.
Ready Signal does AI-powered economic and environmental forecasting. SPARK 2025. See AI hub.
Swept.ai, Lutely, ProbeTruth are SPARK Capital's 2025 AI-focused $550K investment tranche. See AI hub.
Milieu is AI-powered personalized skincare via microbiome science. $550K from BoostVC. See AI hub.
Motion Sync does AI-driven sync for digital media and motion data. SPARK 2025. See AI hub.
BedConnect is hospital post-acute care coordination. 2025 Invest360 and PitchMI winner. See medtech hub.
M3D Technologies is a U-M cancer medical imaging spinout. See medtech hub.
Sequestro is carbon removal on Renaissance Venture Capital's 2026 Hotlist. See climate tech hub.
General Orbit is advanced manufacturing and mobility. 2025 PitchMI winner ($250K). See mobility hub.
LiveRoad Analytics builds mobile weather sensors for vehicle fleets. 2025 Make It in Michigan grant. See climate tech hub.
Michigan Space Technologies does hybrid space propulsion. 2025 Make It in Michigan grant. See mobility hub.
TreeTown Tech builds UAV flight controllers. 2025 Make It in Michigan grant. See mobility hub.
Ambient Biosciences does biomolecule stabilization. $9.15 million Series A. Status verify before deep coverage. See biotech hub.
TSRL Inc. has been doing infectious disease therapeutics since 1986, NIH-grant-funded. See life sciences tools hub.
Mahalo Banking is omni-channel digital banking for credit unions, based in Troy and Chelsea (edge of the Ann Arbor region). $20 million round July 2022. See fintech hub.

Historical anchors and lineage

Companies whose Ann Arbor presence is historically definitive even if current operations have moved or wound down.

Llamasoft is the supply chain design unicorn that sold to Coupa for ~$1.5 billion in November 2020. The product line continues as Coupa Supply Chain Solutions with Ann Arbor presence. See SaaS hub.
HandyLab sold to BD in 2009 for ~$275 million. Molecular diagnostics. See history of Ann Arbor tech.
Accuri Cytometers sold to BD in March 2011 for $205 million. See history of Ann Arbor tech.
NeuMoDx sold to QIAGEN in September 2020. See history of Ann Arbor tech.
Deepfield sold to Nokia in 2017. See history of Ann Arbor tech.
FarmLogs (now Bushel) is the agricultural software platform that consolidated under Bushel. See history of Ann Arbor tech.
Armune BioScience core assets acquired by Exact Sciences in December 2017. See history of Ann Arbor tech.
Comshare sold to Geac in 2003. One of the earliest tech IPOs (1968). See history of Ann Arbor tech.
Avegant founding lineage in Ann Arbor; primary operations now in the Bay Area. See AR/VR hub.
Ambiq Micro founded by U-M EECS professors in 2010, primary HQ Austin, NYSE-listed in 2025. See semiconductors hub.
Image Space Inc. has been building rFactor and rFactor Pro racing simulation since 1992. See gaming hub.
HardBoiled Studios, Heart Shaped Games, Gaudium, WolverineSoft populate the small but real local gaming scene. See gaming hub.
Arbor Research Collaborative for Health is the 100-plus-person nonprofit health services research organization. See life sciences tools hub.
Akervall Technologies is the Saline-based maker of SISU mouthguards. See medtech hub.

By category

Use these hubs for the deep editorial coverage, FAQ, and company-by-company breakdowns within each vertical.

Cybersecurity: Cisco Duo, Censys, Blumira, Arbor Networks, Barracuda, SensCy, Symbolic Systems.
AI / Machine Learning: Voxel51, Clinc, Genomenon, BlueConduit, MemryX, Sight Machine, Deepgram, Invisible AI, plus the SPARK 2025 seed wave.
Mobility and autonomous vehicles: May Mobility, Torc, Refraction AI, Quantum Signal AI, Toyota R&D, TRI-ANN, Mercedes, Mcity infrastructure.
Robotics: Refraction, May Mobility, Torc, Quantum Signal AI, Mcity, Michigan Robotics adjacency.
Biotech and digital health: Esperion, ArborMetrix, ONL, Strata Oncology, Akadeum, Workit, Genomenon, Ripple, TRAILS, Arbor Research Collaborative.
Medtech and devices: HistoSonics, Terumo Cardiovascular, Akadeum, ONL, Strata, BedConnect, M3D, Akervall.
Life sciences tools: Sartorius Center of Excellence, Akadeum, Genomenon, TSRL, Arbor Research Collaborative.
SaaS: Coupa-Llamasoft, Optilogic, Nutshell, ForeSee, ArborMetrix, ProQuest, Truven, Sight Machine, Amesite, Ripple Science, Menlo Innovations, Nexient, Logic Solutions.
Semiconductors: KLA, MemryX, Movellus, Microchip, Ambiq, Avegant.
Hardware: KLA, MemryX, Movellus, Microchip, Avegant, Ambiq, Terumo Cardiovascular, Akervall.
Climate tech: SkySpecs, BlueConduit, VelocityEHS, Sequestro, LiveRoad Analytics.
Fintech: Plinqit, Nickels, Mahalo Banking, Clinc.
Insurtech: Groundspeed Analytics (Insurance Quantified).
Edtech: Amesite, TRAILS, ProQuest legacy, U-M Center for Academic Innovation adjacency.
Gaming: Image Space, HardBoiled Studios, Heart Shaped Games, Gaudium, WolverineSoft.
Devtools: Voxel51, Optilogic, Censys (developer reach), Movellus, MemryX edge AI dev kits.
AR/VR: Avegant lineage, Voxel51 visual data adjacency.
Proptech: McKinley adjacency and a small Ann Arbor proptech footprint.
Large tech corp offices: Google, Cisco Duo, Barracuda, KLA, Toyota R&D, TRI-ANN, Mercedes, NTT DATA Nexient, Accuris.

Is Ann Arbor a tech hub?: the pillar essay on the cluster argument.
Ann Arbor history of tech: the lineage from NSFNET, Comshare, Arbor Networks through Duo, Llamasoft, and HistoSonics.
Ann Arbor tech ecosystem map: the visual map of capital, talent, incubators, and exits.
Every Ann Arbor tech exit over $100M: the deal-by-deal exit history.
Ann Arbor venture capital: the funder map.
University of Michigan tech startups: the spinout pipeline.

FAQ

How many tech companies are in Ann Arbor? Built In's Ann Arbor directory lists 370-plus tech company cards. The publishable, named, currently operating list editorially curated on this directory totals roughly 75 to 90 companies across anchors, scaling, emerging, and historical lineage. The deeper count including consultancies, MSSPs, indie shops, and U-M research labs is in the hundreds.

What is the largest tech employer in Ann Arbor? Among single-site employers: Terumo Cardiovascular Systems with 1,000-plus employees at 6200 Jackson Road, KLA with 600-plus engineers in the Ellsworth corridor, Google with 400-plus at 2300 Traverwood, Cisco Duo with 350-plus Michigan-based downtown, and Toyota Motor North America R&D with around 760 in York Township. Among local independent companies, May Mobility leads at around 342 employees per PitchBook.

What are the largest exits in Ann Arbor history? Clarivate-ProQuest at approximately $5.3 billion (December 2021), IBM Watson Health-Truven at $2.6 billion (April 2016), Cisco-Duo at $2.35 billion (October 2018), NETSCOUT-Arbor Networks via Danaher at roughly $2.3 billion (2015), Coupa-Llamasoft at approximately $1.5 billion (November 2020), and HistoSonics's 2024 unicorn recap at a $1 billion-plus valuation. The full list including HandyLab, Accuri, NeuMoDx, Deepfield, and others is at the exits over $100M page.

Where do most Ann Arbor tech companies cluster geographically? Four zones. Downtown (Main Street, Liberty, Huron, Fourth Avenue, State Street) hosts Cisco Duo, Censys, Nutshell, Menlo, Clinc, ArborMetrix, and most of the cyber and SaaS companies. North Campus and the Plymouth Road corridor hosts Google's Traverwood campus and KLA-adjacent activity. The South Industrial and Ellsworth corridor hosts KLA's $150 million campus, Barracuda's R&D, Toyota's R&D, Terumo, and Quantum Signal AI in Saline. Ypsilanti is the secondary life sciences wet-lab center via MI-HQ.

Who funds Ann Arbor tech startups? Local capital includes Arboretum Ventures, Plymouth Growth (now Straylight Capital), eLab Ventures, RPM Ventures, Renaissance Venture Capital (fund-of-funds), Mercury Fund, Augment Ventures, IncWell, Invest Michigan, the Michigan Angel Fund, Ann Arbor Angels, and the Michigan Founders Fund (501(c)(3)). SPARK Capital is the regional economic development organization's investment vehicle. Out-of-state capital includes Bessemer (led Voxel51's $30 million Series B), Goldman Sachs Sustainable Investing (led SkySpecs's $80 million round), Insight Partners (Workit's $118 million Series C), Greylock and GV (Censys), and the broader top-tier coastal funds. See the venture capital hub for the full map.

How does Ann Arbor compare to other Midwest tech cities? Per CommercialCafe's 2024 Midwest tech rankings, Ann Arbor leads the Midwest in tech-company density at 42.3 tech companies per 1,000 companies. Madison leads on overall ranking by some measures (77.7 tech jobs per 1,000 jobs and 32.9% tech-job growth 2019-2024). Bloomberg ranked Ann Arbor America's #3 tech hub (behind San Jose and Boulder) on STEM jobs and degrees. Brookings designated Ann Arbor as one of 28 US "AI Star Hubs" in 2025.