Environmental Permitting, Studies, and Solutions.


Catena Consulting, LLC (Catena), an environmental consulting firm based in Billings, Montana, provides a variety of professional services in support of resource development and environmental management. Services include conducting environmental studies and environmental reviews, project permitting, and impact mitigation and reclamation planning. Catena staff have experience working with clients in both the private and government sector, with most projects related to:


 Coal, phosphate, and hard-rock mining;

 Wind energy development;

 Electrical transmission;

 Facility siting; and,

 Federal, state, and private land management.