- Hatch (Tucson, AZ)
- …the structural engineering discipline complies with the relevant sections of the Occupational Health and Safety Act (OHSA). + Participate in the formulation and ... than 65 years of business and technical expertise in mining (https://www.hatch.com/Projects/Metals-And-Minerals) ,energy (https://www.hatch.com/Projects/Energy) , andinfrastructure (http://bit.ly/HatchProjectsInfrastructure) , our10,000… more