U.S. Tax Portals

Vendors

The same few companies build most state tax and payroll systems. Each vendor has a page listing every state system and contract action found for it.

FAST Enterprises: 38 states, 55 current systems, $2.00B in documented contract totalsFAST38 states · $2.00BDeloitte: 10 states, 16 current systems, $404.1M in documented contract totalsDeloitte10 states · $404.1MStellarware: 15 states, 15 current systems, $2.2M in documented contract totalsStellarware15 states · $2.2MTata Consultancy Services (TCS): 9 states, 9 current systems, $404.7M in documented contract totalsTCS9 states · $404.7MRevenue Solutions, Inc. (RSI): 8 states, 8 current systems, $443.7M in documented contract totalsRSI8 states · $443.7MGeographic Solutions: 8 states, 9 current systems, $205.5M in documented contract totalsGeographicSolutions8 states · $205.5MTyler Technologies: 9 states, 10 current systemsTyler9 statesSagitec Solutions: 6 states, 7 current systems, $233.9M in documented contract totalsSagitecSolutions6 states · $233.9MPCC Technology: 7 states, 7 current systems, $22.2M in documented contract totalsPCCTechnology7 states · $22.2MTecuity: 7 states, 7 current systems, $12.6M in documented contract totalsTecuity7 states · $12.6MMaximus: 6 states, 6 current systems, $3.1M in documented contract totalsMaximus6 states · $3.1MAccenture: 6 states, 6 current systemsAccenture6 statesCivix: 6 states, 6 current systemsCivix6 statesYoungWilliams: 6 states, 6 current systemsYoungWilliams6 statesSalesforce: 4 states, 4 current systems, $10.7M in documented contract totalsSalesforceNava PBC: 4 states, 4 current systemsNavaNetacent: 2 states, 2 current systems, $46.8M in documented contract totalsNetacentCarahsoft: 2 states, 2 current systems, $10.4M in documented contract totalsCarahsoftCapgemini: 2 states, 2 current systemsCapgeminiMicrosoft: 2 states, 2 current systemsMicrosoftVoyatek: 2 states, 2 current systemsVoyatekAflac: 2 states, 2 current systemsAflacSAP: 2 states, 2 current systemsSAPCGI: 1 state, 1 current system, $77.0M in documented contract totalsCGIDataHouse: 1 state, 2 current systems, $21.9M in documented contract totalsDataHouseHaverstick Consulting: 1 state, 1 current system, $52.0M in documented contract totalsHaverstickConsultingInfosys Public Services: 1 state, 2 current systemsInfosysHewlett-Packard (HP): 1 state, 1 current system, $31.1M in documented contract totalsHPNWN Corporation: 1 state, 1 current system, $13.5M in documented contract totalsNWNCorporationSperidian Technologies: 1 state, 1 current system, $8.1M in documented contract totalsSperidianDorger Software Architects: 1 state, 1 current system, $4.4M in documented contract totalsDorgerSoftwareArchitectsHCL America: 1 state, 1 current systemHCLIBM: 1 state, 1 current systemIBMSolid State Operations: 1 state, 1 current systemSolidStateEDS: 1 state, 1 current systemEDSOracle: 1 state, 1 current systemOracleKPMG: 1 state, 1 current systemKPMGPeraton: 1 state, 1 current systemPeratonEnterprise Registry Solutions: 1 state, 1 current systemEnterpriseRegistrySolutionsFearless Solutions: 1 state, 1 current systemFearlessSolutionsFINEOS: 1 state, 1 current systemFINEOSUnisys: 1 state, 1 current systemUnisysAvalara: 1 state, 1 current systemAvalaraGoogle Public Sector: 1 state, 1 current systemGooglePublicSectorGovOS: 1 state, 1 current systemGovOSTeradata: 1 state, 1 current systemTeradataManaged Business Solutions: 1 state, 1 current systemManagedBusinessSolutionsOkta: 1 state, 1 current systemOktaServiceNow: 1 state, 1 current systemServiceNowTruss: 1 state, 1 current systemTruss
Mostly tax systems Mostly unemployment insurance Mostly paid leave Mostly other systems
Size blends three things equally: states served now, current systems, and documented contract totals where the vendor is the only one named. Contract totals are ceilings or contract values as the source states them, not money paid. Click a bubble for the vendor's page.
VendorState systemsContract actionsStates
FAST Enterprises56262Alabama, Alaska, Arkansas, California, Colorado, Connecticut, District of Columbia, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Louisiana, Maine, Massachusetts, Michigan, Minnesota, Mississippi, Montana, Nebraska, Nevada, New Hampshire, New Mexico, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Tennessee, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin
Deloitte2090California, Colorado, Connecticut, Florida, Illinois, Kansas, Kentucky, Massachusetts, Michigan, Minnesota, New Mexico, New York, Texas, Washington, Federal
Stellarware1517District of Columbia, Indiana, Kentucky, Louisiana, Maine, Minnesota, Mississippi, Nebraska, New Jersey, New Mexico, Rhode Island, Tennessee, Texas, Virginia, West Virginia, Wisconsin
Tata Consultancy Services (TCS)1125Connecticut, Florida, Georgia, Kansas, Maine, Mississippi, Missouri, New York, Oklahoma, Rhode Island, Wyoming
Geographic Solutions1034Arizona, District of Columbia, Iowa, Louisiana, Nebraska, North Dakota, Ohio, Pennsylvania, Tennessee, West Virginia
Tyler Technologies105Alabama, Hawaii, Kansas, Kentucky, Maine, Nebraska, New Jersey, Rhode Island, West Virginia
Revenue Solutions, Inc. (RSI)855Delaware, Florida, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, Rhode Island
Sagitec Solutions829District of Columbia, Kentucky, Maryland, North Carolina, Ohio, South Carolina, Texas, West Virginia
Accenture821Arizona, Colorado, Connecticut, Kansas, Maryland, Michigan, Nevada, New Jersey, New York, North Carolina, Pennsylvania, Texas, Wisconsin, Federal
PCC Technology717Florida, Georgia, Louisiana, Mississippi, Nebraska, Nevada, Washington
CGI716California, Kansas, Kentucky, North Carolina, Virginia, Wisconsin
Tecuity712Idaho, Michigan, Montana, New Mexico, North Dakota, Pennsylvania, South Dakota
Maximus69Colorado, Georgia, Michigan, Missouri, New Mexico, Ohio, Federal
Civix67Georgia, Louisiana, Mississippi, Nebraska, Utah, West Virginia
YoungWilliams63Arizona, Delaware, Georgia, Michigan, Ohio, Wyoming
HCL America48Colorado, North Dakota, Virginia, Wyoming
Nava PBC45Illinois, Maryland, Massachusetts, Minnesota, New Jersey
Salesforce40California, New Jersey, New York, Texas
Netacent39Alabama, Hawaii
Capgemini34Georgia, North Carolina, South Carolina
Microsoft33Idaho, North Dakota, Washington
Carahsoft27Arkansas, District of Columbia, Hawaii, Wisconsin
IBM27Kansas, New York, Pennsylvania, Wisconsin, Federal
DataHouse26Hawaii
Voyatek25Arizona, California
Aflac23Connecticut, Maine
Solid State Operations23Alabama, Georgia, Hawaii
EDS21Kentucky, Ohio
Infosys Public Services21Delaware
SAP21Florida, Michigan
Oracle20Kansas, North Carolina
Haverstick Consulting19Indiana
KPMG15California, District of Columbia, Texas
Hewlett-Packard (HP)14Washington
Peraton14Florida, Washington, Federal
Dorger Software Architects13Tennessee
Ernst & Young13Florida, Maryland, Oklahoma
Flexion13Wisconsin
Speridian Technologies13Nevada
Enterprise Registry Solutions12Missouri
Fearless Solutions12Maryland
FINEOS12Massachusetts
Unisys12New York, North Dakota, Wisconsin
Avalara11Colorado
Foster Moore11Montana
Google Public Sector11Wisconsin
GovOS11Colorado
NWN Corporation11Texas
Teradata11Missouri
Managed Business Solutions10Wyoming
Okta10California
ServiceNow10Maryland
Tier Technologies10Indiana
Truss10New Jersey
CSG Government Solutions07Colorado, Iowa, Nevada, Oregon, Pennsylvania, South Carolina
BerryDunn03Kentucky, Minnesota
On Point Technology03District of Columbia, Iowa
22nd Century Technologies01Maryland
Agilian01District of Columbia
Business Solutions Group01Maryland
Momentum, Inc.01Maryland
Optimal Solutions Group01Maryland
Triad Technology Partners01Maryland

Federal systems only: ID.me, Leidos, PNC, Fiserv, Booz Allen Hamilton, Northrop Grumman, General Dynamics Information Technology, Bank of America. See the Federal page.

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