American Demographics

Demographic marketing strategies, tools and data

Gomez.com

E-commerce rankings

InRealty

Commercial and investment information for real estate

Korpacz Real Estate Source Directory

Offers marketing information in real estate equity and investment and databases, software, books, websites and government policies

MIT Center for Real Estate

Sponsors a full agenda of research on issues related to real estate development, investments and management

The Penobscot Group, Inc.

Research firm analyzing REITs and real estate operating companies

PikeNet

Real estate marketplace

PricewaterhouseCoopers -- Retail Intelligence System

Syndicated research programs

Real Estate Research Center

Readily available global marketing links

Real Estate Research Institute (RERI)

Research on real estate investment performance

REITNet

Provides access to essential decision-making tools needed to critically and objectively evaluate real estate investment options (REITs)

Torto Wheaton Research

Market research, analysis and econometric forecasting in real estate