Authorized IRS e-file Providers

Name of Business:
Address:
City/State/ZIP:
Point of Contact:
Telephone:
Type of Service:
 SHUMAKER WENGREN LLC
3567 E SUNRISE DR STE 235
TUCSON, AZ 85718
DUANE SHUMAKER
(520) 514-6860
Electronic Return Originator, Transmitter
Name of Business:
Address:
City/State/ZIP:
Point of Contact:
Telephone:
Type of Service:
 Shuping Wu
3319 N Bear Spring Trl.
Tucson, AZ 85745
Shuping Wu
(520) 591-6938
Electronic Return Originator
Name of Business:
Address:
City/State/ZIP:
Point of Contact:
Telephone:
Type of Service:
 SIAH TAX PREPARATION LLC
3612 W DUNLAP AVE SUITE E
PHOENIX, AZ 85051
OMEGA G. KARLA
(623) 205-4263
Electronic Return Originator
Name of Business:
Address:
City/State/ZIP:
Point of Contact:
Telephone:
Type of Service:
 sicorp
1415 E APACHE BLVD #113
TEMPE, AZ 85281
soud siouri
(480) 529-6025
Electronic Return Originator
Name of Business:
Address:
City/State/ZIP:
Point of Contact:
Telephone:
Type of Service:
 SIDELL & ASSOCIATES, PLLC
13405 W. ALMERIA RD.
GOODYEAR, AZ 85395
Patricia Sidell
(623) 935-4477
Electronic Return Originator
Name of Business:
Address:
City/State/ZIP:
Point of Contact:
Telephone:
Type of Service:
 SIDNEY LEX FELKER PC
7440 N ORACLE RD BLDG 2
TUCSON, AZ 85704
Sidney Felker
(520) 742-0440
Electronic Return Originator, Transmitter
Name of Business:
Address:
City/State/ZIP:
Point of Contact:
Telephone:
Type of Service:
 Siegler & Ferry CPAs, PLLC
3050 N. Navajo Drive, Suite 101
PRESCOTT VALLEY, AZ 86314
Valerie Ferry
(928) 772-1714
Electronic Return Originator
Name of Business:
Address:
City/State/ZIP:
Point of Contact:
Telephone:
Type of Service:
 SIERRA VISTA CPA, LLC
4655 N Commerce Dr
SIERRA VISTA, AZ 85635
Michael Squires
(520) 226-8550
Electronic Return Originator
Name of Business:
Address:

City/State/ZIP:
Point of Contact:
Telephone:
Type of Service:
 SIGRIST CHEEK POTTER & HUYSER PLLC
8110 E CACTUS ROAD
SUITE #110
SCOTTSDALE, AZ 85260
TRACY POTTER
(480) 730-1569
Electronic Return Originator, Intermediate Service Provider, Transmitter
Name of Business:
Address:
City/State/ZIP:
Point of Contact:
Telephone:
Type of Service:
 SILAS E STRODE
7834 W MAUI LN
PEORIA, AZ 85381
SILAS STRODE
(623) 979-4035
Electronic Return Originator

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