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
96SerokellCORussia, Saint PetersburgConsulting, 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
115AdjointPRUSA, MA, BostonBlockchain
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
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
169FolqCONorway, OsloConsulting
170GithubIPUSA, CA, San FranciscoCompilers
171Cross CompassCOJapan, TokyoAI, Consulting, Research
172Arbor NetworksPRAustralia, SydneyNetworking, Security
173SaltationCOGermany, 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
189Myrtle SoftwareIPUK, CambridgeAI, Machine Learning
190Seller LabsIPUSA, GE, AthensAdvertising
191SentenaiPRUSA, MA, BostonAI, Data Analysis
192TocomanIPFinland, HelsinkiData Analysis
193TracsisIPUK, LeedsLogistics
194Ambra HealthIPUSA, NY, NYCHealth
195Atomic IT SolutionsCOIndia, ChennaiConsulting
196QBayLogicCONetherlands, EnschedeConsulting, Hardware
197DFINITYPRSwitzerland, ZurichBlockchain
198LumiPRUSA, CA, Los AngelesLogistics, SaaS
199NovaDiscoveryPRFrance, LyonHealth
200Kitty HawkPRUSA, CA, Mountain ViewAircraft, Hardware
201Sqream TechnologiesPRIsrael, Tel AvivDatabases
202KrizoPRDennmark, CopenhagenProductivity, SaaS
203RoompactPRUSA, IL, ChicagoEducation, SaaS
204StiloPRCanada, OttawaText processing
205NstackPRUK, LondonData Analysis
206ArcesiumPRUSA, NY, NYCFinance
207ArtificialPRUK, LondonFinance, Insurance
208Franka EmikaPRGermany, MunichHardware, Robotics
209Zoomin SoftwarePRIsrael, Tel AvivSaaS
210MonadCOFinland, TampereConsulting
211TrigramPRNorway, StavangerSaaS, Linguistics
212Awake SecurityPRUSA, Ca, SunnyvaleNetworking, Security

Raw source available on Github.
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