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MASON is Hawaii's foremost firm combining architecture, historic consulting, and sustainability. First founded in 1978, the firm is now a thriving multi-disciplined firm. The firm's long history and the large volume of our preservation work is indicated by its cumulative experience of over 250 years in this field. Many team members are knowledgeable specialists in historic preservation and sustainability.

MASON Questions

The MASON annual revenue was $5.6 million in 2026.

John Fullmer is the President of MASON.

20 people are employed at MASON.

MASON is based in Honolulu, Hawaii.

The NAICS codes for MASON are [5413, 541, 54, 54131].

The SIC codes for MASON are [87, 871].

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