60% of GLHN's income is generated in the higher education sector. GLHN has completed projects at colleges and universities throughout the Rocky Mountain Region, Midwestern United States, and as far away as the University of Central Florida and University of Alaska Fairbanks. The firm's unwavering commitment to higher education is demonstrated by the longevity of its client relationships - GLHN has worked at the University of Arizona continuously for over 40 years and has enjoyed a relationship with Northern Arizona University spanning more than 20 years. GLHN maintains continuing involvement in national organizations like APPA (Association of Higher Education Facilities Officers), the APPA Institute, RMA (Rocky Mountain Region, APPA), and ACUHO-I (Association of College and University Housing Officers International).
GLHN focuses higher educational efforts primarily on long-range utility master planning for campus environments and design of central plant facilities and underground utilities infrastructure. The firm is also known for its design of innovative research and teaching laboratories, residence halls, and high-tech classrooms.