Insurance Agents
Insurance Underwriters
Insurance Adjusters
Independent Adjusters

Auction houses

Art Galleries

Museums
Historical Societies
Charitable Organizations

Appraisers

Estates

Estate Attorneys
Divorce Attorneys
Insurance Attorneys
Tax Attorneys
Bankrupcy Attorneys
Art Attorneys
Nazi-era restitution Attorneys

Financial Planners
CPA

Police Departments
IRS

City, County, State and Federal Art Collections

Mortgage Brokers
Loan Officers

Individual Owners
Families
Trusts
Foundations

Collectors
Investors

TV Producers
Movie Producers
Journalists