FACISÂ® Levels of Service Screening. This Health Care Screening search has three levels of background screening, and each level providing additional researching capabilities. 1  Level 1 - (OIG/GSA) searches Office of Inspector General (OIG) and General Services Administration (GSA) for excluded parties, as well as other federal agency sources.
SAN FRANCISCO (Fortune) -- As the largest shareholder of Wells Fargo through Berkshire Hathaway (BRKB), Warren Buffett knows the San Francisco bank deeply. He first invested before Wells Fargo was bought by Norwest, where current Wells Chairman Dick Kovacevich was CEO.
The ticker symbol for Wells Fargo is WFC. Wells Fargo is a provider  of banking, mortgage, investing, credit card, insurance, and  consumer and commercial financial servicesâ¦.