Public Directory Add to Address Book. Mauna Loa Mac Nut Corp. Mauna Loa Mac Nut Corp. Address 16-701 Macadamia Rd. Keaau HI 96749 United Statespostal Phone: 888-628-6256home Work Email: [email protected]INTERNET Website: https://www.maunaloa.com/ Related by Category Hawai‘i Volcanoes National Park (808) 985- 6000home [email protected]INTERNET Ka‘u Coffee Mill, LLC 808-928-0550home [email protected]INTERNET Mountain Meadows, Inc. 808.981.2462home [email protected]INTERNET Green Point Nurseries, Inc. (808)959- 3535home [email protected]INTERNET Akatsuka Orchid Gardens (808) 967- 8234home [email protected]INTERNET Destination Hilo (808) 963- 5091home [email protected]INTERNET Hawaii Pacific Parks Association (808) 985- 6051home [email protected]INTERNET Hilo Town Market (808) 933-4004home [email protected]INTERNET