If your company has an NDA in place with Nintendo, but you don't know who your Company Admin is, please contact support and provide your email address, name, title, company name and address and we'll let you know who to contact within your company to get you all set up. We can also find out for you whether your company has an NDA in place with us.
North America/Europe (regions other than Japan and Korea): support@noa.nintendo.com
Japan (and Korea): contact_publish@nintendo.co.jp