I do not know why you are not responding, but you are not charged per question, per response, nor per answer. So after I give you my answer, you can continue to ask me questions without additional charge until you are satisfied. I apologize if it is a site issue that you posted and the post did not go through.
Assuming that they do not hold bachelor's degrees or higher and that the jobs do not require bachelor's degrees or higher, there really is only one option, the H-2B visa.
For an H-2B worker visa, it is expensive and difficult to get because you, the employer, would have to go through an expensive process called a Labor Certification where the position is advertised in the local media, you must receive all resumes and eliminate all candidates for valid reasons, not just because you have a job for them. This is to prove that they would not be taking a job away from a U.S. worker. Here is a link:
Also, because they are used up for this year, you will need to apply on April 1, 2017 to start working on October 1, 2017 or later. Here is a link in regards ***** ***** H-2B cap
I am truly sorry. I wish I had better news for you but the options are limited.
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