New Jersey
South Jersey Investors Club
Garden State Real Estate Investors Association (GSREIA)
Metropolitan Real Estate Investors (MREIA)

New York
Small Property Owners of New York
Real Estate Investors of Central New York (REICNY)
Apartment Owners Association of the Cortland Area (AOA)
Greater Westchester Real Estate Investors' Association (GWREIA)
New York State Real Estate Investors Association (NYREIA)
Schenectady Rental Property Owners Association (SRPOA)
Ultimate Investor Real Estate Inc. (UIREI)
Wayne County Landlord Asc. (wcla)

Pennsylvania
Pennsylvania Residential Owners Association (PROA)
Diversified Real Estate Investors Group (DIG)
North Central Pennsylvania Landlord Association (NCPLA)

Laws
www.lsnjlaw.org/english/placeilive/irentmyhome/tenantsrights/index.cfm
www.oag.state.ny.us/realestate/tenants_rights_guide.html

Other Useful Information
John T. Reeds real estate books and newsletter
New Jersey Housing and Mortgage Finance Agency
Community Associations Institute New Jerseys voice for condominiums, cooperatives and homeowner associations
Institute of Real Estate Management
Official State of New Jersey Website (Business)
Rent Stabilization Association (NYC)