Tax Year 2016 1120x Modernized e-File (MeF) Providers

Providers listed on this webpage are Approved IRS Modernized e-File (MeF) 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 Corporate Returns for returns prior to Tax Year 2016.

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.


Corptax, Inc.
1751 Lake Cook Road, Suite 100, Deerfield, IL 60015, (800) 966-1639

Drake Software
235 East Palmer Street, Franklin, NC 28734, (828) 524-8020

Tax Technologies, Inc.
196 Woods Avenue Bergenfield, NJ 07621 (866) 239-4884

ONESOURCE Income Tax & GoSystem Tax RS
2395 Midway Road, Carrollton, TX 75006, (800) 865-5257

1425 60th Street NE, Suite 300, Cedar Rapids, IA 52402, (800) 573-4287

Petz Enterprises, LLC
PO Box 611 Tracy, CA 95378-0611 (800) 345-4337

Harribrwtax Service
526 Ralph Avenue Brooklyn, New York 11233 (718) 363-9500

CCH Small Firm Services, ATX
225 Chastain Meadows Court, NW, Suite 200, Kennesaw, GA 30144 (866)345-4172

Advanced Tax Solutions, LLC
1603 Capitol Ave, Suite 310 A254, Cheyenne, WY 82001 Inc.
233 Wilson Pike Cir Suite 2B, Brentwood, TN 37027, (866) 245-3918

TaxSlayer Pro 
3003 TaxSlayer Drive, Evans, GA 30809, (800) 420-1040

H&R Block
One H&R Block Way, Kansas City, MO 64105, 1-800-HRBLOCK/ 1-800-472-5625