Koa Coffee Plantation of over . In 2007, Artukovich sold most of the assets of the company to Kona's Best Natural Coffee. KBNC does business as Koa Coffee Plantation. Since 2009 Koa Coffee Plantation has been owned by Hawaii Coffee Company in Honolulu. The Koa Coffee Plantation gained accolades in the late 1990s early 2000's when it had been producing and selling only hand picked 100% estate Kona coffee, including organic Kona coffee and a heritage blend (Grande Domaine Kona) harvested from trees dating back to 1918. The plantation used a wet mill facility from Colombia, a dry mill from Brazil and maintained
Hakalau Forest National Wildlife Refuge numerous deep gulches. Rainfall decreases to about at elevations above , where majestic koa ("Acacia koa") and red-blossomed ōhia lehua ("Metrosideros polymorpha") trees form a closed-canopy forest. Further upslope, above , rainfall decreases to or less and native forest merges into abandoned pastureland where alien grasses and weeds, introduced as forage for cattle, are the dominant vegetation. Since 1989, over 400,000 koa, ōhia, and other native plants have been planted in this area as part of the refuge's reforestation program. The Pua Akala Cabin, located within the refuge, was nominated to the National Register of Historic Places in August 2008.