State Department | Website |
| Alabama Department of Revenue | http://www.ador.state.al.us |
| Alaska Department of Revenue | http://www.revenue.state.ak.us/ |
| Arizona Department of Revenue | http://www.revenue.state.az.us |
| Arkansas Department of Finance and Administration | http://www.accessarkansas.org/dfa/ |
| California Franchise Tax Board | http://www.ftb.ca.gov/index.shtml |
| Colorado Department of Revenue | http://www.revenue.state.co.us/main/home.asp |
| Connecticut Department of Revenue Services | http://www.ct.gov/drs/site/default.asp |
| Delaware Division of Revenue | http://www.state.de.us/revenue |
| District of Columbia | http://cfo.dc.gov/etsc/main.shtm |
| Florida Department of Revenue | http://www.myflorida.com/dor/ |
| Georgia Department of Revenue | http://www.etax.dor.ga.gov/ |
| Hawaii Department of Taxation | http://www.state.hi.us/tax |
| Idaho State Tax Commission | http://tax.idaho.gov/index.html |
| Illinois Department of Revenue | http://www.revenue.state.il.us |
| Indiana Department of Revenue | http://www.in.gov/dor |
| Iowa Department of Revenue & Finance | http://www.state.ia.us/tax |
| Kansas Department of Revenue | http://www.ksrevenue.org/ |
| Kentucky Revenue Cabinet | http://revenue.ky.gov/ |
| Louisiana Department of Revenue & Taxation | http://www.rev.state.la.us |
| Maine Revenue Services | http://www.state.me.us/revenue/ |
| Maryland Comptroller of the Treasury | http://www.marylandtaxes.com/taxes.asp |
| Massachusetts Department of Revenue | http://www.mass.gov/dor |
| Michigan Department of Treasury | http://www.michigan.gov/treasury |
| Minnesota Department of Revenue | http://www.taxes.state.mn.us/ |
| Mississippi State Tax Commission | http://www.mstc.state.ms.us/ |
| Missouri Department of Revenue | http://dor.mo.gov |
| Montana Department of Revenue | http://revenue.mt.gov/default.mcpx |
| Nebraska Department of Revenue | http://www.revenue.state.ne.us/index.html |
| New Hampshire Department of Revenue Admin. | http://webster.state.nh.us/revenue/ |
| New Jersey Division of Revenue | http://www.state.nj.us/treasury/taxation/ |
| New Mexico Taxation & Revenue Department | http://www.state.nm.us/tax/ |
| New York Department of Tax and Finance | http://www.tax.state.ny.us/ |
| North Carolina Department of Revenue | http://www.dor.state.nc.us/ |
| North Dakota Office of State Tax Commissioner | http://www.nd.gov/tax// |
| Ohio Department of Taxation | http://tax.ohio.gov/ |
| Oklahoma Tax Commission | http://www.oktax.state.ok.us/ |
| Oregon Department of Revenue | http://egov.oregon.gov/DOR/ |
| Pennsylvania Department of Revenue | http://www.revenue.state.pa.us/ |
| Rhode Island Division of Taxation | http://www.tax.ri.gov/ |
| South Carolina Department of Revenue | http://www.sctax.org/ |
| Tennessee Department of Revenue | http://www.state.tn.us/revenue/ |
| Texas Comptroller of Public Accounts | http://www.window.state.tx.us/taxes/ |
| Utah State Tax Commission | http://tax.utah.gov/ |
| Vermont Department of Taxes | http://www.state.vt.us/tax/ |
| Virginia Department of Taxation | http://www.tax.virginia.gov/index.cfm |
| West Virginia State Tax Department | http://www.wva.state.wv.us/wvtax/ |
| Wisconsin Department of Revenue | http://www.dor.state.wi.us/ |
