Mari Tolleson

Mari Tolleson serves as a primary procurement contact within the National Park Service under the Department of the Interior. In this capacity, they support the agency’s mission to maintain, preserve, and ensure the operational sustainability of critical park infrastructure and public facilities. Their role involves facilitating acquisitions that align with the agency's strategic priorities, including the modernization of utility systems, site restoration, and the upkeep of essential grounds and facilities. The agency's contracting landscape is characterized by a diverse range of service providers focused on infrastructure and environmental management. Vendors active at this agency include firms specializing in commercial and institutional building construction, as well as those providing specialized technical and professional services. The procurement environment supports a variety of contractors capable of addressing complex facility maintenance and large-scale site development needs. The agency demonstrates a strong commitment to socioeconomic contracting and small business participation. A significant majority of the agency's procurement activity is directed toward small business set-asides, reflecting a robust preference for small enterprise engagement. This includes specific utilization of the 8(a) program to meet federal small business objectives and diverse socioeconomic contracting patterns. Procurement activities are concentrated in several key technical domains, with a heavy emphasis on professional, scientific, and technical services. The agency frequently procures specialized services in plumbing, heating, and air-conditioning, as well as commercial and institutional building construction. Additionally, there is a notable focus on landscaping services to support grounds maintenance, alongside niche requirements for small arms and ordnance manufacturing.