As you have asked about the companies hiring through E Litmus pH test, I am mentioning them, check below for the details

Accenture
Achieva Services
ACL Wireless Ltd.
Acme Technologies Pvt Ltd
ADHPL
Agilent Technologies
Airvana Networks India
AK Aerotek Software Centre Pvt. Ltd.
Ambujex Technologies Pvt Ltd
Apnaloan.com Services India Limited
Apollo Health Street Pvt. Ltd
Asian Peroxide Public Ltd.
Authentiva Technologies Pvt. Ltd.
Authoria Software Development Private Limited
Aztec Software and Technology Services Limited
Browse Consulting (India) Pvt Ltd.
Canon India Private Limited
Captronic System
Compro Technology Pvt Ltd
Consulting Engineering Services
ContinuServe
Conzerv Systems Pvt. Ltd.
Countrywide Financial India Services
Cypress Semiconductor Technology India Pvt. Ltd.
Dassault Systems
Dell International Services
Dharma Systems
Diksha Technologies Pvt Ltd
EDS (India) Pvt. Ltd.
Einstix Technologies Pvt Ltd
Ekgaon
Ericsson
Exilant Consulting Pvt. Ltd.
GE Healthcare Technology
Geodesic systems
Gnostice Information Technologies Pvt Ltd
Greenfield Networks
GSPL
H3C Technologies
HCL Technologies
Hewlett Packard (R&D Division/STSD)
Honeywell International Inc
HSBSoft Technology
Huawei Technologies
Ikanos Communications India Pvt Ltd
iNetFrame
Informatica
Innovation Technology Transfer India ( ITTI )
ITC Infotech
Itellix
Khushii IT Solutions Pvt Ltd
KM Integrators[An alliance Partner of National Instruments]
Knowx Innovations Pvt Ltd.
KSA Technopak India Pvt. Ltd.
LG CNS Global
LG Soft
Lisle Technology Partners India
LogicaCMG
L &T Infotech
MakeMyTrip
Manhattan Associates Pvt Ltd
McAfee Software India Pvt. Ltd.
Meritos Services
Microsoft GTSC
Microsoft India (R & D) pvt. ltd
Motorola India Electronics Pvt Ltd
National Instruments
NDTV
Ness Technologies
Nous Infosystems
Omnesys Technologies Pvt Ltd
OnMobile Asia Pacific Pvt. Ltd.
OSI Technologies
Proteans Software Solutions Private Limited
Quinnox
Replicon Software India Pvt Ltd
Robert Bosch
Roy e Solutions
RX Documents Pvt Ltd
S7 Software Solutions
SafeNet Infotech (India) Pvt Ltd
Samsung India Software Operation
Siebel Systems Software (I) Pvt Ltd
Six DEE Telecom Solutions Pvt. Ltd.
S.M.Macario
Srishti Software Applications Pvt. Ltd.
Starent Networks
Subex Azure Limited
SupportSoft
Surav Infosoft
Surya Software Systems
Symphony Global Services
T8 Software International
Tally (India) Private Limited
Tech Blue Software Pvt Ltd
Tecknodreams Software Consulting Pvt. Ltd
Thomson Digital (India) Ltd
TradeStone Software
Tricon Infotech Pvt. Ltd
Vritti Solutions
Web Werks India Pvt. Ltd
Webyog Softworks Pvt Ltd
Xproteans Data Solutions Pvt Ltd
Yodlee Infotech