Investing in our Communities

  • Feed My Starving Children
  • Tucson Festival of Books
  • Arizona's Builders Alliance Stuff the Bus 2023
  • Phoenix Children’s Hospital
  • Diaper Bank of Southern Arizona
  • UA College of Architecture, Planning, and Landscape Architecture (CAPLA)
  • Community Food Bank
  • Pima Community College
  • American Red Cross

Ranking Arizona

Feed Our Starving Children

Phoenix Office volunteer event.

Tucson Festival of Books

We’ve been a faithful supporter of this event since its founding in 2007.

American Red Cross Blood Drive

Diaper Bank of Southern Arizona

University of Arizona College of Planning and Landscape Architecture Student Project

GLHN sponsors the EcoDistrict 2050 studio project which envisioned a sustainable and resilient urban core for the City of Tucson by 2050