Official Visa Letter of Invitation Request

You must register as a Standard Conference Attendee and payment must be received prior to requesting a visa invitation letter.  

It is important to note that a visa is required for the purpose of visiting the United States from most countries. Advance travel planning and early visa application are critical to allow for lengthy processing times. For more information on how to apply for your visa and the time required for visa processing, please contact the Consular Section of the Embassy or Consulate nearest you. For more details and a list of consular offices is available online at

To request an Official Letter of Invitation for your visa process, please click here to email LDC Gas Forums

Prior to requesting an Official Letter of Invitation, you MUST meet all of the Requirements below:

Visa Requests and International Attendee Requirements:
International attendees (from countries other than US, Canada or Mexico) must meet the following requirements to be considered for attendance and/or Visa invitation letters:
1. Individuals must be registered as a Standard Conference Attendee, paid and approved, to be considered for visa invitation letters.
2. Registrations must originate from a recognized company email address. (Not Gmail, Yahoo, MSN, etc)
3. Attendee must be representing an established and recognized (searchable) company with connections to the Natural Gas Industry.
4. Registration fee must be paid in full via wire transfer so funds can be verified before the registration will be considered for approval and Visa invitation letter forwarded.  (Note Cancellation Policy regarding refunds.)