You need to contact Amex directly to become an Amex merchant. There is an online form that needs to be filled out then an Amex representive will contact you.
For a company to become an AMEX merchant, the owner must apply for a merchant account directly from AMEX. The merchant must provide basic information about their business and agree to pay any fees related to the acceptance of AMEX cards.
Amex merchant fees can change based on exclusivity (where a merchant agrees to accept only Amex) or different markets. The fees tend to hover around 2.8% on average.
The symbol for AMCON Distributing Company in the AMEX is: DIT.
The symbol for Golden Minerals Company in the AMEX is: AUMN.
The symbol for Gorman-Rupp Company (The) in the AMEX is: GRC.
The symbol for Vantage Drilling Company in the AMEX is: VTG.
The symbol for Orchids Paper Products Company in the AMEX is: TIS.
The symbol for Contango Oil & Gas Company in the AMEX is: MCF.
The symbol for Southern California Edison Company in the AMEX is: SCE^B.
AmEx
The symbol for Aberdeen Emerging Markets Smaller Company Opportunities Fund I in the AMEX is: ETF.
To learn more about Amex merchant services, one can go to the site of americanexpress dot com. There one will find information about how to do the followings online: view submission and payments, update account information, check balance, view recent transactions, etc.