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Mac Enterprises has been in business since 1982 helping all manner of fleets, vessels and operators reach their goals in the waters of the Aleutian Islands.


Mac Enterprises


Our Vision.

Founded in 1982 by Jimmer McDonald, Mac Enterprises was the pioneer for essential services in welding, diving and vessel security in the Dutch Harbor area.  


Cut from the cloth of old world business practices, Mac Enterprises believes in a culture where our word is our honor. 


We are proud to be known as the most dependable, consistent and affordable option for marine services in the Aleutian Islands today.

If you become a Mac Enterprises customer, you become part of our family.

Company Profile.

Mac Enterprises is a family owned company run by Jimmer and Alyssa McDonald. 


We operate 7 days a week.

We are a government registered Veteran, Alaska Native and Woman-Owned Small Business. 

Our Cage Code CCR34XM5

Our Duns number 79760993

Our marine NAIS CODES are 483211, 483212, 488320, 488390, and 561990. 

We own the The Miss Alyssa charter vessel for commercial and private charter.


Mac Enterprises believes in the future and importance of the trades. We founded the Angels Over Ballyhoo Trade Scholarship Foundation to provide annual scholarships to our graduating seniors. 


Mac Enterprises is also an avid supporter of the Unalaska City Schools, Lions Club and many other local and national non-profits.    


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