Employer Ledger
Records as ofOFLC30 Jun 2026OSHA14 Sep 2026300A2023 to 2025WHD15 Jun 2026USAspendingread 2 Oct 2026NLRBno data

Professional, Scientific, and Technical Services employers, A to Z: NAICS 541, 14,040 employer records; this page: Ascension Health - IS, Inc. to Bayer Research and Development Services LLC

Professional, Scientific, and Technical Services employers, Asc to Bay
EmployerCityStateRecords
Ascension Health - IS, Inc.St. LouisMO66
Ascension Logistics, Inc.West AllisWI8
Ascensus Technologies LLC.FriscoTX6
Ascent Environmental, Inc.SacramentoCA3
AscentIT LLCCummingGA12
Ascent Solutions LLCPlanoTX10
Ascentt Business SystemsFremontCA3
Ascentt Systems Inc.PlanoTX54
Ascii Group, LLCFarmingtonMI26
Ascon Soft Inc.SomersetNJ5
Ascyndent, LLCDublinOH4
Asentech LLCSomervilleNJ4
Asha Tek LLCMcKinneyTX14
Ashatek LLCMcKinneyTX22
Ashbe Technologies LLCTexas CityTX9
Ashburn Consulting, LLCLeesburgVA3
Asher Biotherapeutics Inc.South San FranciscoCA2
Ashers & Aarons LLCBallwinMO6
Ashley Management Services IncBrooklynNY4
Ashling Partners LLCChicagoIL16
Ashpra Technologies LLCLittle ElmTX14
Ashra Tech IncPiscatawayNJ6
Ashurst LLPNew YorkNY13
ASICSoft IncRosevilleCA6
Asimov, Inc.BostonMA11
AsInfoTecZ LLCDallasTX7
Askable IncChicagoIL6
Askindosys IncPrincetonNJ14
ASK IT Solutions LLCIrvingTX9
ASM Solutions LLCCrystal LakeIL6
ASM Tech Solutions LLCPem Broke PinesFL15
A Society Group, Inc.Winston-SalemNC7
Asoft Consulting LLCAuroraIL35
ASP Diverse IncMiddletonWI12
Aspen Dental Management, Inc.East SyracuseNY2
AspenTech CorporationBedfordMA48
Aspirantspro IT Solutions LLCJacksonvilleFL9
Aspire IT SolutionsFriscoTX18
Aspire Systems Digital, Inc.Oak BrookIL3
Aspire Systems Digital Transformation Inc.Oak BrookIL134
Aspire Systems, Inc.Oak BrookIL8
Aspire Systems IncOld BridgeNJ7
Aspire Tech LLCDuluthGA36
Aspyrant LLCSkillmanNJ16
Aspyretech IncSt PetersMO7
Aspyr Services IncEdisonNJ5
A Squared Businesses and Consulting LLCSpringboroOH24
A Square Group LLCFrederickMD5
Asrc Energy ServicesPrudhoe BayAK8
ASRC Federal Highland TechnologiesBeltsvilleMD4
ASRC Federal Technology Solutions, LLCRestonVA3
ASR Group Holdings LLCDublinOH4
Asrk LLCSouthboroughMA20
ASRT, Inc.SmyrnaGA6
Assembled, Inc.San FranciscoCA8
Assemble Platforms Inc.San FranciscoCA11
Assent Solutions, LLCHoustonTX9
Asset Control Systems Inc.New York CityNY4
Asset Inventories, Inc.New YorkNY6
Assign CorporationGlendaleCA9
AssistRX, LLCOrlandoFL7
Association Analytics, Inc.ArlingtonVA5
Association For Energy Affordability Inc.BronxNY2
Association of Universities for Research in AstronomyTucsonAZ16
AssureCare, LLCCincinnatiOH33
Assured Robot Intelligence, Inc.New YorkNY12
Assyst Inc. (formerly Advanced Software Systems)SterlingVA5
Asta CRS, Inc.AshburnVA142
Astek Solutions, Inc.IrvingTX10
Astellas Institute for Regenerative MedicineNorthbrookIL5
Astellas Pharma Global Development, Inc.NorthbrookIL22
Astellas Pharma US, Inc.NorthbrookIL14
Astellas US LLCNorthbrookIL12
Astera InstituteEmeryvilleCA14
Aster IncIrvingTX7
Asterisk Green Inc.Royal OakMI15
AST Global Inc.MemphisTN6
Astir IT Solutions, IncSouth PlainfieldNJ183
Astir Services LLCSouth PlainfieldNJ78
Astir Technologies, LLCSouth PlainfieldNJ106
Astone LLCSunnyvaleCA4
Astor & Sanders CorporationMcLeanVA9
Astrabright Analytics & Knowledge Alliance, Inc.Mountain ViewCA17
Astra Canyon Group LLCTucsonAZ9
Astra Solutions, Inc.IrvingTX5
Astreya Partners, LLCSan JoseCA29
Astrix Technology, LLCRed BankNJ21
Astronics Connectivity Systems & Certification Corp.WaukeganIL5
Astronomer, Inc.New YorkNY6
Astronomer, Inc.CincinnatiOH2
Astrosoft Technologies LLCWesley ChapelFL5
AST SpaceMobile Services, LLCMiamiFL13
Astute 360 CorporationHoustonTX15
Astute Business SolutionsDublinCA5
Astute, Inc.SouthfieldMI6
Astute LLCNapervilleIL31
Astute Solutions LLCFolsomCA89
Asuitech Solutions IncIrvingTX35
Asura IT Consulting, LLC.DallasTX11
ATANE Engineers, Architects and Land Surveyors, D.P.C.New YorkNY5
ATANE Engineers, P.C.WethersfieldCT25
ATCS, Inc.HerndonVA7
Atea Pharmaceuticals, Inc.BostonMA2
Atec GroupAlbanyNY12
Atek IT IncFriscoTX45
Atelier Ten USA, LLCNew YorkNY8
ATG Consulting IncBentonvilleAR5
athenahealth, Inc.BostonMA261
Athena Tech, Inc.Farmers BranchTX43
Athena Technology IncFremontCA8
Atheneum Partners LLCNew YorkNY5
Athreya, Inc.EdisonNJ21
Atico Investments, LLCAventuraFL8
A.T. Kearney, Inc.ChicagoIL152
Atkins North America Inc.TampaFL15
AtkinsRealis USA Inc.TampaFL84
AtkinsRéalis USA Inc.TampaFL12
Atlan IncWilmingtonDE9
Atlanta Trading & Eng. Consulting, LLCParsippanyNJ12
Atlanta Trading & Engineering Consulting LLCParsippanyNJ7
Atlantic Council of the United States Inc.WashingtonDC10
Atlantic Interior Services, Inc.Palm Beach GardensFL3
Atlantic Testing Laboratories, LimitedCantonNY4
Atlantis Intelligence US IncPlanoTX22
Atlantis IT Consulting Group, LLCAlbanyNY22
Atlantix Partners, LLCFort LauderdaleFL7
Atlas Adventures, Inc.MiamiFL31
Atlas Cloud Foundry LLCHoustonTX6
Atlas Data Systems, Inc.Berkeley HeightsNJ7
Atlas Engineering Group, LtdDeerfieldIL4
Atlas Info Way, Inc.ClarksburgMD5
Atlasis Technologies LLCSanta ClaraCA12
Atlas Renewable Energy USA, LLCPlantationFL5
Atlassian US, Inc.San FranciscoCA653
Atlas Systems Inc.East BrunswickNJ9
Atlas Technical Consultants LLCDenverCO6
Atlas Technical Consultants LLCAustinTX7
ATMANICA Technologies LLCIrvingTX25
Atmecs Global Inc.Santa ClaraCA22
ATN Hoelzel LPChattanoogaTN7
Atoco, Inc.IrvineCA5
Atoka Technologies IncFarmers BranchTX29
Atom Computing, Inc.BerkeleyCA7
Atomic Data LLC.MinneapolisMN6
Atom Tech, Inc.PleasantonCA6
Atos IT Solutions and Services, Inc.IrvingTX65
Atos Solutions Inc.IrvingTX9
Atos Syntel IncTroyMI337
Atos Syntel IncIrvingTX187
Atova Systems IncDallasTX21
Atrida Tech IncCummingGA7
Atrix Networx LLCSheridanWY5
Atrixsoft LLCSheridanWY12
Atrix Technologies LLCAlbuquerqueNM5
Atruz Solutions LLCFoothill RanchCA36
Ats Tax LLCPlacentiaCA3
AttainX, Inc.HerndonVA11
Attentive Mobile, Inc.New YorkNY64
Attez LLCCollege StationTX5
Atwell, LLCSouthfieldMI8
Atx Technology Corp.AustinTX6
Atyeti, Inc.PrincetonNJ11
AUConnects LLCCummingGA5
Auction.com, LLCIrvineCA9
Auditoria.AI, Inc.Santa ClaraCA6
Audubon Companies LLCHoustonTX12
Audubon Engineering Operations, LLCHoustonTX5
Augeo Affinity Marketing, Inc.St. PaulMN2
Augmentare IncChantillyVA8
Augment Computing, Inc.Palo AltoCA20
Augmented Reality Technologies LLCDuncanvilleTX55
Augusta Hitech Soft Solutions, LLCPlanoTX13
Augusta Life Sciences US OpCo I LLCMilfordMA18
August Consulting IncRestonVA3
Aujas Cybersecurity LimitedPlanoTX22
Aunalytics, Inc.South BendIN14
Aura Global Solutions IncIrvingTX35
Aura Global Solutions IT IncIrvingTX5
Auramedpro IncFremontCA8
Aurascape, Inc.Santa ClaraCA6
AuraSellAI, Inc.San MateoCA11
AuraWorx LLCEl Dorado HillsCA11
Auriga CorporationMilpitasCA10
Aurigo Software Technologies, Inc.AustinTX19
Auritas, LLCSanfordFL13
Aurora Energy Research LLCAustinTX34
Aurora Innovation, Inc.Mountain ViewCA25
Aurora Innovation, Inc.PittsburghPA24
Aurora Lumira Consulting LLCNew YorkNY5
Aurora Operations, Inc.Mountain ViewCA13
Aurora Operations, Inc.PittsburghPA196
Aurora Operations, Inc. (formerly Aurora Innovation, Inc.)Mountain ViewCA2
Aurus, Inc.NorwoodMA10
AUS Merchant Services, Inc.SunnyvaleCA36
Austin Building and Design Inc.ClevelandOH5
Autarchy Solutions Inc.SterlingVA4
Authentic Data Solutions LLCPost FallsID13
Authentic Data Solutions LLCRound RockTX6
Authright Inc.DedhamMA25
AuthX Security LLCGaithersburgMD9
Autodesk, Inc.San FranciscoCA540
Auto Electronic America Corp.PrattvilleAL3
Autoliv ASP Inc.Auburn HillsMI33
Automata Transactions LLCBoca RatonFL5
Automated Building Management Systems, Inc.Floral ParkNY24
Automated Engineering Services, Inc.OceansideCA3
Automated Production Systems, Inc.Sterling HeightsMI8
Automation Anywhere, Inc.San JoseCA78
Automation HR LLCTucsonAZ6
Automation NTHLa VergneTN7
Automation Technologies LLCDuncanvilleTX7
Automaton, Inc.San DiegoCA14
Automotive Robotics IncorporatedEast PeoriaIL35
Automotive Robotics IncorporatedEast PeoriaMI6
Automotive Robotics Proving Labs IncEast PeoriaIL17
Automus Consulting, Inc.Los AngelesCA18
Autopilot Holdings CorporationIrvineCA4
Autopoiesis Sciences, Inc.San FranciscoCA5
AutoX Technologies, Inc.San JoseCA24
Auxo AI, Inc.Palo AltoCA10
AUX Office IncLos AngelesCA4
Availity, LLCJacksonvilleFL9
Ava Labs, Inc.New YorkNY3
Avalanche Technologies LLCIrvingTX42
Avalere Health, LLCWashingtonDC2
Avalon Software Services LLCAustinTX9
Avanade Inc.SeattleWA149
Avanceon, LLCExtonPA4
Avancer CorporationCranburyNJ14
Avance Technology Services, Inc.BridgewaterNJ2
Avani Technology Solutions, Inc.RochesterNY139
Avan IT LLCIrvingTX22
Avansa IT Solutions LLC.CranburyNJ75
Avant Communications, LLCChicagoIL3
Avant Energy, Inc.MinneapolisMN3
Avant-Garde Health IncBostonMA3
Avant-Garde Solutions, Ltd.NatickMA5
Avantisoft Technologies LLCMckinneyTX5
Avant Sys IncIrvingTX9
Avant Systems, Inc.IrvingTX37
Avasa IT Solutions LLCCharlotteNC7
Avasant LLCEl SegundoCA2
Avco Consulting, Inc.WorcesterMA356
Avenir Associates, Inc.PiscatawayNJ10
AVEnterprise, IncCummingGA42
Aventure Systems LLCGrand RapidsMI34
Avenues International Inc.Princeton JunctionNJ5
AvePoint, Inc.RichmondVA3
Averna Test Systems Inc.CharlotteNC4
Averon Services Inc.EdisonNJ33
Averon Solutions Inc.EdisonNJ46
Aviation Power Support, LPDurantOK3
Aviation Technology Associates, LLCFort MillSC3
Avid Engineers, LLCBostonMA3
Avidity Biosciences, Inc.San DiegoCA6
Avid Systems LLCWashingtonDC10
Aviksoft LLCMesaAZ9
AVIO Consulting, LLCDallasTX8
Avira Digital LLC.New BrunswickNJ14
Avis Global IT Solutions, IncGlen AllenVA20
Avistatech, IncAtlantaGA4
Avi Technologies IncSterlingVA24
Aviva Links Inc.San JoseCA7
AVIZVA Services LLCRestonVA7
AVJ Solutions IncIrvingTX9
Avks Consulting IncPiscatawayNJ7
AVK Tech Solutions IncExtonPA21
AVL Consulting Services Inc.DallasTX16
AVM Consulting, IncRestonVA9
Avnet, Inc.PhoenixAZ45
Avride, Inc.NewburyportMA56
Avr Software Solutions Inc.IrvingTX13
Avsi Systems LLCNeptuneNJ19
Avs LLC USAlpharettaGA7
AVS Soft Solutions IncHarvardMA9
AVS Solutions IncPlanoTX32
Avt Consultants LLCOrlandoFL5
Avtech Solutions IncIndianapolisIN17
Avvale, Inc.DenverCO10
Avvenire Solutions LLCFremontCA17
Avventis IncBedminsterNJ19
Avventis Tech IncStaffordTX18
Awot Global Logistics USA CorpSaint LouisMO10
AWS IT Technologies IncAustinTX8
AWS Security Assurances Services LLCSeattleWA13
Axa Assistance USA, Inc.ChicagoIL5
Axelon Services CorporationNew YorkNY20
AXIA Consulting IncColumbusOH4
Axinn, Veltrop & Harkrider LLPNew YorkNY2
Axiom Acquisition Ventures Management, LLCTampaFL3
Axiom Group LLCBloomingdaleIL28
Axio Research, LLCSeattleWA7
Axiscades IncPeoriaIL52
Axis Clinicals LLCDilworthMN5
Axis Communications, Inc.ChelmsfordMA2
Axis Tech, Inc.SterlingVA33
Axis Technical Group, LLCAnaheimCA3
Axis Vet IncVallejoCA6
Axitem Software Solution IncLivoniaMI50
Axon Networks, Inc.IrvineCA8
Axonsemi Inc.PlanoTX5
Axtria INCBerkeley HeightsNJ272
Axxess Consult Inc.DallasTX25
Axyomcore Inc.North AndoverMA15
Axzora Resourcing LLCManchesterNH23
Ayita Technologies LLCFranklinTN28
Ayitc LLCAddisonTX29
Ayna.AI LLCSan JoseCA11
AYON Studio Architecture . Preservation, P.C.New YorkNY8
Ayraa LLC.South PlainfieldNJ8
Ayras Technologies LLCPrincetonNJ12
Ayra Tech LLCAllenTX9
Ayven Soft LLCKissimmeeFL30
Ayzenberg Group, Inc.PasadenaCA3
Azar Design Co, Architecture, Landscape Architecture, Engineering and Land Surveying, P.C.BuffaloNY5
Azee Systems IncHoustonTX5
Azenta, Inc.BurlingtonMA27
Aziro Technologies LLCAlpharettaGA15
AZTEC Engineering Group, Inc.PhoenixAZ6
Azul Systems, Inc.SunnyvaleCA9
Azure Consulting Services LLCEdisonNJ9
Azzur Group DBA, Azzur Consulting LLCHatboroPA31
B1 IT Solutions, IncManassasVA42
Ba2cc Solutions Inc.South PlainfieldNJ3
Baanyan Software Services, Inc.EdisonNJ79
Babatek, Inc.North BrunswickNJ28
Bachi.Tech CorporationJersey CityNJ25
Backbase U.S.A. Inc.AtlantaGA8
Backbenchers LLCBloomfield HillsMI12
Backblaze, Inc.San MateoCA7
BackOps-ai Inc.San FranciscoCA9
Backstop Solutions Group, LLCChicagoIL3
Badell Offices LLCHialeahFL4
BAE Systems Technology Solutions & Services, Inc.McLeanVA7
Bagley Landscape Construction Inc.PascoWA3
Baha Industries CorporationNew YorkNY5
Bailey Edward Design IncChicagoIL3
Baim Institute for Clinical ResearchBostonMA8
Bain & Company DC, LLCWashingtonDC14
Bain & Company, Inc.BostonMA335
Baker and Hostetler LLPClevelandOH5
Baker Botts LLPHoustonTX17
Baker & Hostetler LLPWashingtonDC2
Baker Ingram & Associates IncLancasterPA4
Baker & McKenzie Global Services LLPChicagoIL7
Baker & McKenzie LLPChicagoIL27
Baker Tilly Advisory Group, LPChicagoIL62
Baker Tilly US, LLPChicagoIL12
Balbix, Inc.San JoseCA17
Balboa Bay Partners LLCSan Juan CapistranoCA21
Baldyview Animal Hospital Corp Inc.LA VerneCA7
Ballinger CompanyPhiladelphiaPA7
Balzer and Associates, Inc.RoanokeVA2
Bamboo Health, Inc.LouisvilleKY6
Bamboo Rose, LLCGloucesterMA10
Bamko, LLC.Los AngelesCA3
Baniassadi Law Group, P.C.ChicagoIL4
Banjo Health, Inc.WashingtonDC5
BankingON, Inc.AustinTX5
Banking Soft Solutions LLCSan JoseCA44
Banking Soft Solutions LLCColumbusOH6
Banner & Witcoff, Ltd.ChicagoIL4
Barakat Bossa, PLLC.Coral GablesFL4
Bard, Rao + Athanas Consulting Engineers, LLCBostonMA2
Bard, Rao & Athanas Consulting Engineers, LLCBostonMA5
Barge Design Solutions, Inc.NashvilleTN8
Barksdale, Inc.Los AngelesCA8
Barletta Engineering CorporationCantonMA3
Barnett's Landscape, LLCOdessaTX10
Baron & Baron LLPNew YorkNY6
Barrister Global Services Network IncHammondLA3
Bartle Bogle Hegarty, Inc.New YorkNY7
Barton Technologies LLCduluthGA19
Baruch S. Blumberg InstituteDoylestownPA5
Base ConsultantsOrlandoFL3
Baseten Labs, Inc.San FranciscoCA42
Basic Solutions LTDHoustonTX3
Basic Systems INCCambridgeOH5
Basis Global Technologies, IncChicagoIL8
Basis Research InstituteNYCNY6
Bask HealthNew YorkNY6
Basm Technologies, Inc.Chadds FordPA3
Bass, Berry & Sims PLCNashvilleTN3
Bastion Technologies, Inc.HoustonTX3
Bates White, LLCWashingtonDC26
Bath Group, LLCCorpus ChristiTX2
Baton Market Inc.New YorkNY3
Batska Consulting GroupArdsleyNY5
Battelle Memorial InstitutePuebloCO3
Battelle Memorial InstituteColumbusOH6
Battelle Memorial InstituteEastoverSC3
Battelle Memorial InstituteRichlandWA307
BAUER Foundation Corp.OdessaFL34
Baumann Consulting, Inc.ChicagoIL8
Bayarde Services LLCArlingtonTX43
Bay Area Animal Health PCPleasantonCA3
Bay Area Compliance Laboratories Corp.SunnyvaleCA3
Bay Area Environmental Research InstituteMoffett FieldCA20
Baya Systems, Inc.Santa ClaraCA8
Bayer Research and Development Services LLCSt. LouisMO141
Previous: Amp to AscNext: Bay to Bri

The industry is the NAICS code on each record, grouped at the three-digit subsector. When the sources of an employer give different codes, the page uses the most frequent code. Methodology.