Providers listed on this webpage are Approved IRS e-file Providers; however, they are not part of, nor do they have any special relationship with the Internal Revenue Service. The following companies have passed the IRS Assurance Testing System (ATS) requirements for Software Developers of electronic Employment Tax Returns for Tax Year 2018. Meeting the requirements means that the software can provide correct data in the proper format for processing by IRS systems. It does not mean that a software package includes every possible schedule or attachment, or that it will meet the needs of all filers. It is the filer's responsibility to contact the provider to determine if the software meets their needs. The providers are not listed in any particular order. MasterTax, LLC 111 W. Rio Salado Pkwy, Tempe, AZ 85281, (888) 237-8585 Aatrix Software, Inc. 2100 Library Circle, Grand Forks, ND 58201, (701) 746-6814 CFS Tax Software, Inc 1445 Los Angeles Ave., Ste. 214, Simi Valley, CA 93065, 800-343-1157 MasterTax, LLC 111 W. Rio Salado Pkwy, Tempe, AZ 85281, (888) 237-8585 Tax Me, LLC 210 Rocketts Way, Suite 411, Henrico VA 23231, (804) 502-1658 C&S Technologies, Inc. 1879 Lundy Ave. Suite #266. San Jose, CA 95131, (408) 935-8969 TaxSlayer Books, LLC 3003 TaxSlayer Drive Evans Ga 30809, (706) 868-7021 Greatland Corporation PO Box 1157, Grand Rapids, MI 49501, (800) 968-1099 Span Enterprises, LLC 202 E. Main St, Rock Hill, SC 29730, (704) 684-4751 Quarterly Express Plus - Lewis Software Associates, LLC 3619 Scruggs Place, Suite B, Springdale, MD 20774, (301) 386-5700 Corporate Payroll Services 230 Scientific Drive NW, Suite 100, Norcross, GA 30092, (877) 926-7729 Drake Software 235 East Palmer Street, Franklin, NC 28734, (828) 524-8020 Sana Tax & Bookkeeping Service, Inc. 37-28, 56th Street, Woodside, NY 11377, (718) 476-1972 PrimePay, LLC 1487 Dunwoody Drive, West Chester, PA 19380, (610) 296-4500 Business Software Inc. 155 Technology Pkwy, #100, Peachtree Corners, GA 30092, (770) 449-3200 Paysoft, Inc. 9205 W. Russell Rd. Bldg 3 Suite 240, Las Vegas, NV 89148, (702) 827-0015 Greenshades Software, Inc. 7020 AC Skinner Parkway, Suite 100, Jacksonville FL 32256, (888) 255-3815 MPAY, Inc. 9920 Kincey Ave. Ste 110, Huntersville, NC 28078, (704) 632-2940 TaxTime USA, Inc. 30800 Telegraph Road, Suite 1775, Bingham Farms, MI 48025, (248) 642-7070 Profit Developers, Inc. P.O. Box 7280, Port St. Lucie, FL 34985, (772) 337-2921 Intuit Inc. Corporate Headquarters, 2700 Coast Ave, Mountain View, CA 94043, Corporate (650) 944-6000, Payroll Services (775) 332-8800 Smartrak Group INC. PO BOX 41322, Plymouth, MN 55441-0322, (612) 276-3567
