Commercial
Ascendas, City Developments Ltd, Click Mortar, Corporate Locations, HDB Place2Lease, Pontiac Land Pte Ltd, Sembcorp Park Management, ServCorp, Signature Space Business Centre
Residential
Agents, 1800-Singapore-Property.com, 8Links Pte Ltd, Asia Breeze, Asiahomes, CentrePoint Homes, Chooseahome, Condo.com.sg, Diy HDB, Dover Parkview, e-Homes.com.sg
Integrated Land Information Services
Maintained by Singapore Land Authority (SLA), it's an online land information service. Provides detailed information.
Real Estate Developers' Association of
Offers Singapore real estate-related information and commercial, industrial and retail listings.
Singapore Land Authority
Optmizes land resources for social and economic development. Includes forms, announcements, links and information.