Employer supporting documents for H-1B Petition The following additional documents need to be sent to:            Immigration Corp.            703 Market Street            Suite 508 - 510            San Francisco, CA 94103 First and second sheets of letterhead. We will be preparing a supporting letter for the USCIS (Immigration Service) in duplicate on company letterhead for your signature. If your company does not wish to release letterhead, then we will email the company support letter to you. The letter will include a description of your company, the position being offered and the qualifications of your new employee. Company checks made out to "USCIS" in the following amounts: $185.00 which represents the base fee payable for all H-1B petitions; $500.00 for the newly mandated fraud detection fee also applicable to all H-1B petitions; a third check either for $1,500 for companies with 25 or more employees or $750.00 for companies with fewer than 25 employees. Any promotional literature available regarding your company and its products or services. A web site URL that includes a company description will serve the same purpose. If publicly traded, please provide latest annual report or URL where it is located online. A generic description and/or an offer letter describing the position being offered unless obvious from job title.