GE Grace Tenant-focused brokerage services and leasing strategies for the office, industrial and retail market sectors. http://www.gegrace.com

Ospar Consulting Advises clients on operational/strategic planning and research. http://ospar.com

IPM Alliance Outsource resource for project management in the corporate real estate field. http://www.ipmalliance.com/

Richards/Sullivan Capital Resources Information on advisory, due diligence, underwriting and strategic planning services to real estate investors. http://www.Richards-Sullivan.com

Walker Real Estate Information on location, development, and finance consulting services. http://www.walkerco.com

Paladin Group, Inc. Specializing in corporate real estate and site selection services. http://www.paladin-group.com/

C Lease Information on services including lease management, abstracts, audits, due diligence and web based lease administration software. http://www.clease.com

Gordian Consulting Services Consulting services for corporate real estate departments. http://gordianconsulting.com

Ann Roulac and Company Analysis of real estate investments utilizing economics, marketing strategy, financial analysis, and development programming. http://www.annroulac.com

Property Market Analysis Independent property research consultancy with Europe-wide coverage. Products include the PROMIS service and consultancy in property strategy and forecasting. http://www.property-m-a.co.uk

DTZ Pieda UK-based real estate consultancy developing property strategies for owners and occupiers globally. http://www.dtzpiedaconsulting.co.uk

RETRI Group UK-based real estate consultancy with Europe-wide coverage. Research-led, specialising in technology and environmental impacts on the built environment http://www.retrigroup.com

Real Estate Research Consultants Offers assistance with the planning, development and implementation process. Based in Orlando, Florida. http://www.rercinc.com

Healthy Buildings International, Inc. Indoor environmental consultants to the commercial real estate industry worldwide, providing indoor air quality monitoring, documentation and environmental design analysis to building owners. http://www.hbiamerica.com

The Bell Cornwell Partnership Chartered town planners and development consultants based in Hook, Hampshire. Features information on services, clients, and staff. http://www.bell-cornwell.co.uk/town-planners.htm

Self Storage Economics, LLC Research based consultancy specializing in the self-storage sector. Based in Huntington Beach, CA. http://www.selfstorageeconomics.com

Masthead Realty Advisors, LLC Represents corporations and business owners in the lease, purchase, disposition and development of real estate. Includes principals and covereage map. http://www.mastheadrealty.com

Property Options Specializes in lease audit, abstraction, and operating expense reviews for the commercial, industrial and retail sectors. http://www.propertyoptions.com/

Keefe Company Real estate development and urban planning consultants in Boston, Massachusetts http://www.keefecompany.com

Hunsperger & Weston, LTD Colorado-based real estate consulting and appraisal firm specializing in litigation support and related valuation of many types of non-residential real estate. http://www.hwltd.net