Exhibit 21.1

List of Subsidiaries

Subsidiary	Province/State of Incorporation	D/B/A
1131836 Ontario Inc.	Ontario
SXC Health Solutions, Inc.
(formerly named Systems Xcellence USA, Inc.)	Texas	SXC
SXC Acquisition Corp.	Delaware	Zynchros
		HBS
Health Business Systems, Inc.	Pennsylvania	HBS, Inc.
		HBS, an SXC Company
informedRx, Inc. (formerly National Medical Health Card Systems, Inc.)	Delaware	InformedRx, an SXC Company
Inteq Corp.	Delaware
Inteq PBM, L.P.	Texas
Inteq TX Corp.	Texas
National Medical Health Card IPA, Inc.	New York	NMHCRX IPA
NMHC Group Solutions Insurance, Inc.	Delaware
NMHCRX Mail Order, Inc.	Delaware	informedMAIL
PBM Technology, Inc.	Delaware
PCN DE Corp.	Delaware
Pharmaceutical Care Network	California	PCN
Portland Professional Pharmacy	Maine	Ascend Compounding
Portland Professional Pharmacy Associates	Maine	Ascend SpecialtyRx
Specialty Pharmacy Care, Inc.	New York
SXC Comet LLC	Delaware
SXC Health Solutions TPA, LLC	Delaware