Customer SupportCustomer support email and phone contacts by product and solutionCustomer SupportSalesSales email and phone contacts for products and solutions sold by McKesson.SalesMediaPublic Relations contact information for Corporate and McKesson Businesses.MediaShareholder and InvestorInformation for the investment community, requests for investment information, shareholder questions, and questions about tax documents.Shareholder and InvestorLocationsLocations and contact information for McKesson offices worldwide.McKesson LocationsCorporateMcKesson customers will need to login to our ordering sites to reference and download MSDS for products we distribute.Corporate