Halff Associates is an employee-owned, full-service engineering and architecture firm founded in 1950 and headquartered in Richardson, Texas. We provide services from 27 offices in Texas, Oklahoma, Louisiana, Arkansas and Florida. Our staff of 1,200 includes engineers, architects, planners, scientists and surveyors. Many of our professional staff started with Halff straight out of college and have grown in their careers knowing the commitment to quality that is the cornerstone of the firm. We know this attribute, more than any other, allows us to maintain a loyal client base. We are members of a company built on integrity, technical knowledge and commitment to client service.