Companies that use Haskell in production as

table is sortable, default by numer

#NameTypeLocationArea
1MicrosoftRDUK, CambridgeCompilers
2FacebookIPUSA, CA, Menlo ParkAdvertising, Spam Filtering
3Barclays CapitalIPUK, LondonFinance
4Standard Chartered BankIPUK, LondonFinance
5Tsuru CapitalIPJapan, TokyoFinance
6GaloisRDUSA, OR, PortlandConsulting, Research
7FP CompleteCOUSA, CA, San DiegoConsulting
8IOHKRDHong Kong, Hong KongBlockchain
9TeslaIPUSA, CA, Palo AltoHardware
10Skedge PRUSA, NY, NYCProductivity, SaaS
11ChordifyPRNetherlands, UtrechtSaaS, Music
12Janrain PRUSA, OR, PortlandSaaS, Authorization
13Zalora IPSingapore, SingaporeE-commerce
14SignalVine PRUSA, VA, AlexandriaSaaS
15Kelecorix COUSA, Fl, RockledgeConsulting, Research
16Soostone PRUSA, NY, NYCAdvertising
17Hasura PRIndia, BangaloreDatabases
18FuguePRUSA, MD, FrederickSecurity
19Liquid Democracy PRGermany, BerlinE-government
20Kaspersky LabPRRussia, MoscowSecurity
21Capital MatchPRSingapore, SingaporeFinance
22TweagCOFrance, ParisConsulting, Research
23PreziPRUSA, CA, San FranciscoProductivity, SaaS
24Pusher PRUK, LondonNetworking
25Obsidian Systes COUSA, NY, NYCConsulting
26Well TypedCOUK, LondonConsulting
27Bdellium IPUSA, HI, HonoluluFinance
28BlockApps PRUSA, NY, NYCBlockchain
29StackBuilders COEcuador, QuitoConsulting
30WellPosed COUSA, NY, NYCConsulting
31CheggPRUSA, NY, NYCEducation, SaaS
32LuMiGuide PRNetherlands, NijmegenAutomotive
33Plow Technologies PRUSA, OK, YukonHardware
34GetShop.TVPRRussia, MoscowAdvertising
35AnchorIPAustralia, SydneyNetworking
36ApplikativCONorway, StavangerConsulting
37AssertiblePRUSA, TX, HoustonTesting
38Beautiful DestinationsPRUK, LondonSaaS, Travel, Advertising
39ByteAllyCOIndia, ChennaiConsulting
40CircuitHubPRUSA, MA, DeerfieldHardware
41Commonwealth BankIPAustralia, SydneyFinance
42DigitalXPRAustralia, PerthBlockchain
43ElsenPRUSA, MA, BostonFinance
44ExtensiblCONew Zealand, AucklandConsulting
45Scrive PRSweden, StockholmSecurity
46FPInsightCOFrance, ParisConsulting
47Freckle EducationPRUSA, CA, San FranciscoEducation
48Helium SystemsPRUSA, CA, IrvineTelecom
49Hooky, IncPRUSA, MA, BostonSaaS, Mobile
50InfinipoolIPGermany, BerlinData Analysis
51Iris ConnectPRUK, HoveEducation
52Keera StudiosPRUK, LondonGaming, Mobile
53Kite & LightningPRUSA, WA, SeattleAI
54TenderoomPRIsrael, Tel AvivLogistics, SaaS
55Least FixedCOUK, CambridgeConsulting
56LexisNexis Risk SolutionsIPUK, LondonFinance
57Madriska Inc.COUSA, IL, ChicagoConsulting
58MidrollIPUSA, CA, Los AngelesAdvertising
59MyFansDemandIPUSA, TN, NashvilleSocial Networks
60Picus SecurityIPTurkey, AnkaraSecurity
61Rheo SystemsIPSouth Africa, PretoriaHardware
62ScoompaIPIsrael, Tel AvivSaaS
63VaryWellCOUSA, WA, SeattleArt
64SimplyRETSIPUSA, TX, HoustonSaaS
65Snowdrift.coopIPWorldwide, NASaaS
66StitcherIPUSA, CA, San FranciscoSaaS
67Suite SolutionsIPIsrael, JerusalemSaaS
68OdekoPRUSA, NY, NYCSaaS, AI
69Swift NavigationIPUSA, CA, San FranciscoHardware
70Systor VestIPNorway, Stavanger
71ThoughtbotPRUSA, TX, AustinConsulting
72Turing JumpCOGermany, BerlinConsulting
73UpHerePRUSA, CA, San FranciscoAI
74VFILESPRUSA, NY, NYCSocial Network, E-commerce
75Virtual ForgeIPGermany, HeidelbergSecurity
76WellposedRDUSA, NY, NYCConsulting
77ABN AMROIPNetherlands, AmsterdamFinance
78Aetion TechnologiesIPUSA, OH, ColumbusAI
79Alcatel-LucentIPFrance, ParisTelecom
80Aliston TradingIPUSA, IL, ChicagoFinance
81Myan CapitalIPUSA, IL, ChicagoFinance
82Alpha HeavyIPUSA, CA, San FranciscoFinance
83AmgenIPUSA, CA, Thousand OaksBiology
84AntiopeIPUSA, NJ, Fair HeavenHardware, Telecom
85AsurionIPUSA, TN, Nashville
86BAE SystemsIPUSA, NC, CharlotteHardware
87BazQuxPRRussia, MoscowSaaS
88bCodeIPAustralia, SydneyFinance
89BetterteamPRUSA, CA, Los AngelesSaaS
90BluespecIPUSA, MA, FraminghamHardware
91Capital IQIPUSA, NY, NYCFinance
92Credit SuisseIPSwitzerland, ZurichFinance
93Deutsche BankIPGermany, FrankfurtFinance
94EatonIPUSA, CO, LafayetteHardware
95NikeIPUSA, OR, PortlandInfrastructure
96SerokellCOFrance, ParisConsulting, Research
97SymbiontPRUSA, NY, NYCBlockchain
98Layer 3 CommunicationsIPUSA, GA, AtlantaNetworking
99Position DevelopmentCOUSA, NY, NYCConsulting
100Vacation LabsIP India, GoaSaaS
101MpoweredIP Sweden, StockholmSaaS
102Relex SolutionsIPFinland, HelsinkiSaaS
103DollaRDCanada, New BrunswickBlockchain
104MigaMakeCOSingapore, SingaporeConsulting
105DigitalAssetPRUSA, NY, NYCBlockchain
106CryptiumLabsPRSwitzerland, ZugBlockchain
107CompareStackPRUK, LondonData Analysis
108FormationPRUSA, CA, San FranciscoAI
109CondulentPRUSA, NC, RaleighBlockchain
110FullStackDevelopmentCORussia, TomskConsulting
111CollegeVinePRUSA, MA, CambridgeSaaS
112HabitoPRUK, LondonSaaS, AI
113NewBusinessMonitorPRUK, LondonSaaS
114ProdaPRUK, LondonSaaS, AI
115AdjointPRUK, LondonFinance
116InchoraPRUK, LondonSaaS
117SkedPRUSA, Mi, WyomingSaaS
118Frekle EducationPRUSA, CA, San FranciscoSaaS, Education
119PlydisPRUkraine, OdessaLogistics, SaaS
120GroqPRUSA, OR, PortlandHardware, AI, Compilers
121Advanced Telematic SystemsPRGermany, BerlinAutomotive
122AlasConnectPRUSA, AK, PalmerTelecom
123KadenaPRUSA, NY, NYCBlockchain
124UncannyWorksPRJapan, OsakaGaming
125JusPayPRIndia, BangaloreFinance
126OntellusIPUSA, TX, HoustonLaw
127MercuryPRUSA, CA, San FranciscoFinance
128WirePRSwitzerland, ZugTelecom, Messaging
129Select * PRSweden, StockholmCompilers
130StateBoxPRNetherlands, AmsterdamCompilers
131MasterWorldPRUSA, TX, HoustonCompilers
132InterosPRUSA, VA, ArlingtonAI
133SimSpacePRUSA, MA, BostonSecurity
134Co-StartPRUSA, NY, NYCProductivity, SaaS
135ChannablePRNetherlands, UtrechtAdvertising
136TvisionPRUSA, NY, NYCAdvertising
137TypeableCORussia, MoscowConsulting
138TargetIPUSA, Ca, SunnyvaleE-commerce
139BanyanIPUSA, CA, San FranciscoFinance
140BitnominalIPUSA, IL, ChicagoFinance
141MetrixPRRussia, MoscowAI, Advertising
142AstorPRSweden, StockholmFinance
143TautachromePRUSA, AZ, TusconFinance
144Global Access Internet ServicesPRGermany, MunichAnalytics
145Runtime VerificationPRUSA, IL, UrbanaCompilers
146ZalandoPRGermany, BerlinOnline retailer
147NetscoutIPAustralia, SydneyNetworking
148Earnest Research PRUSA, NY, NYCFinance
149LunaPRPoland, CracowCompilers
150ParamanderCONetherlands, The HagueConsulting
151Sannsyn ASIPNorway, OsloData Analysis
152RadicalPRWorldwide, NACompilers
153OSCoinPRWorldwide, NABlockchain
154HXR TeamCORussia, MoscowConsulting
155KlarnaPRSweden, StockholmFinance
156SecucloudIPGermany, HamburgSecurity
157AtidotPRIsrael, Tel AvivFinance
158FretLinkPRFrance, ParisLogistics, SaaS
159RiskBookPRUK, LondonFinance
160RunABetterSetPRUSA, ChicagoProductivity, SaaS
161ErsoconPRSwitzerland, ZurichConsulting
162SatdataPREstonia, TallinnSpace, SaaS
163NonbiliPRJapan, FujisawaSaaS
164LeapYearPRUSA, CC, BerkeleyAI, Data Analysis
165AmbiataPRAustralia, SydneyMarketing
166BeeWellPRUSA, NC, RaleighHealth
167AndurilPRUSA, CA, Orange CountyAI, Computer Vision
168HolmuskPRSingapore, SingaporeHealth
169FolqPRNorway, OsloStaffing
170GithubIPUSA, CA, San FranciscoCompilers
171Cross CompassCOJapan, TokyoAI, Data Science, Research
172Arbor NetworksPRAustralia, SydneyNetworking, Security
173AnteiCOGermany, BielefeldConsulting
174PermutivePRUK, LondonData Analysis
175AsahiNetIPJapan, TokyoNetworking
176Data61RDAustralia, SydneyConsulting, Research
177FuturiceCOFinland, HelsinkiConsulting
178ITProTVPRUSA, FL, GainesvilleEducation
179CentralAppPRBelgium, BrusselsE-commerce, SaaS
180Grafted-InCOUSA, MI, FentonConsulting
181Health eFilingsIPUSA, WI, MadisonHealth
182Hornet SecurityIPGermany, HannoverNetworking, Security
183HotwirestudiosCOGermany, DortmundConsulting
184IMVUPRUSA, CA, RedwoodGaming
185InchoraIPUK, FarnboroughFinance
186IndicatrixIPAustralia, BrisbaneData Analysis
187JP MorganRDUSA, NY, NYCFinance
188MailOnlineIPUK, LondonEntertaiment
189Focus On ListeningPRNorway, OsloAudio, AI
190Myrtle SoftwareIPUK, CambridgeAI, Machine Learning
191Seller LabsIPUSA, GE, AthensAdvertising
192SentenaiPRUSA, MA, BostonAI, Data Analysis
193TocomanIPFinland, HelsinkiData Analysis
194TracsisIPUK, LeedsLogistics
195Ambra HealthIPUSA, NY, NYCHealth
196Atomic IT SolutionsCOIndia, ChennaiConsulting
197QBayLogicCONetherlands, EnschedeConsulting, Hardware
198DFINITYPRSwitzerland, ZurichBlockchain
199LumiPRUSA, CA, Los AngelesLogistics, SaaS
200NovaDiscoveryPRFrance, LyonHealth
201Kitty HawkPRUSA, CA, Mountain ViewAircraft, Hardware
202Sqream TechnologiesPRIsrael, Tel AvivDatabases
203KrizoPRDennmark, CopenhagenProductivity, SaaS
204RoompactPRUSA, IL, ChicagoEducation, SaaS
205StiloPRCanada, OttawaText processing
206NstackPRUK, LondonData Analysis
207ArcesiumPRUSA, NY, NYCFinance
208ArtificialPRUK, LondonFinance, Insurance
209Franka EmikaPRGermany, MunichHardware, Robotics
210Zoomin SoftwarePRIsrael, Tel AvivSaaS
211MonadCOFinland, TampereConsulting
212TrigramPRNorway, StavangerSaaS, Linguistics
213Awake SecurityPRUSA, Ca, SunnyvaleNetworking, Security
214MonadFixCOEstonia, TallinnConsulting
215TypeleadPRIndia, BangaloreCompilers
216TripshotPRUSA, OR, PortlandLogistics
217UrbintPRUSA, NY, NYCAI, Urban planning
218BNP ParibaIPFrance, ParisFinance
219 Vente PrivéeIPFrance, ParisE-commerce
220ClearmaticsIPUK, LondonFinance
221Deon DigitalPRDK, CopenhagenFinance, Blockchain
222SoundflowPRUSA, TX, AustinAudio, AI, Retail
223MackeyRMSPRUSA, MA, BostonSaaS
224NumerPRUSA, CA, San FranciscoFinance
225WrinklPRUSA, NY, NYCTelecom, Messaging, SaaS
226Hercules LabPRNetherlands, The HagueSaaS, Infrastructure
227CachixPRSlovenia, LjubljanaSaaS, Infrastructure
228FindeckPRGermany, FreiburgSaaS, Marketing
229VelvetFormulaPRPortugal, LisbonFinance, Blockchain
230Data Stewardship WizardPRCzech Republic, PragueSmart Data Management Plans
231MedilysePRGermany, FreiburgImage Analysi, Medical
23215MinuteMeetingsPRNorway, OsloSaaS, Scheduling
233TontineTrustPRDublin, IrelandFinance, SaaS, Pensions, Insurance

Raw source available on Github