Halff is an award-winning, employee-owned and full-service infrastructure consulting firm celebrating a legacy of 75 years of improving lives and communities. Founded in 1950 by Dr. Albert H. Halff, the firm has built a legacy of delivering innovative solutions with a people-focused approach.

Operating from more than 30 offices across Arizona, Arkansas, Florida, Louisiana, Oklahoma and Texas, Halff is a leader in design excellence and community impact, earning more than 80 project awards since 2021. Ranked No. 87 on Engineering News-Record’s 2024 Top 500 Design Firms list, Halff is also a USA TODAY National Top Workplace for a fourth consecutive year.