As per your request here I am providing you the list of some of the best consulting firms which is located in New Jersey USA. Please check the below list of firms:

The list includes:

Accenture
Alliance Consulting
Aon Consulting
Atkins Global
BMC Software Consulting
Booz Allen Hamilton
Booz & Company
Boston Consulting Group (BCG)
Buck Consultants
Campbell Alliance
CapGemini
CDM Consulting
CIBER
Cognizant
Computer Associates
Computer Sciences Corporation (CSC)
Crowe Horwath LLP
Deloitte Consulting
ENVIRON
Establish Consulting
Ernst & Young
Fidelity Consulting Group
FTI Consulting
Fujitsu Consulting
Gallup Consulting
Global eProcure
Grant Thornton
Hatch Associates
Hay Group
Hewitt Associates
IBB Consulting Group
IMS Health
Infosys Consulting
Jefferson Wells International
Keane
Knowledgent Group
KPMG Consulting
Lightspeed Research
Malcolm Pirnie
Manpower
McKinsey & Company
Mercer Consulting
Milliman
MWH Consulting
Navigant Consulting
North Highland
Oliver Wyman
Opera Solutions
PA Consulting Group
PERI Software Consulting
PriceWaterhouseCoopers (PwC)
New Jersey Consultants
Protiviti
Qedis Consulting
Quintiles Consulting
Resources Global Professionals
Robert Half International
Rosetta
SAIC
SAP Consulting
Seabury Group
Segal Company
Sibson Consulting
Strategyx
Tata Consultancy Services
TMNG Global
Towers Watson
Unisys Consulting
Wipro Technologies
Zolfo Cooper
ZS Associates