MONTCAL LLC

Montcal LLC specializes in heavy civil and infrastructure construction, delivering complex engineering solutions for federal agencies across water, transportation, and public works systems. Their technical expertise includes canal and waterway restoration, sewer and water line installation, highway reconstruction with structural retaining systems such as secant walls, and the abandonment and replacement of critical hydraulic infrastructure. They demonstrate deep proficiency in civil earthworks, dam-related utility modifications, and asphalt paving for federal facilities, often managing modifications that extend project timelines without cost adjustments—indicating strong project control and stakeholder coordination. Their work on wildlife refuge infrastructure and federal parking lot rehabilitation underscores a nuanced ability to balance environmental sensitivity with durable construction standards. The contractor maintains consistent engagement with the Department of the Interior, delivering water resource and wildlife habitat restoration projects, while also supporting the Department of Homeland Security with facility infrastructure upgrades and the Department of Transportation on highway reconstruction involving advanced geotechnical solutions. Their work with the Department of Defense highlights experience in securing and modernizing critical water and hydraulic systems at federal installations, indicating familiarity with security-conscious construction protocols. Montcal LLC’s primary focus lies in NAICS 237990 (Other Heavy and Civil Engineering Construction), where they execute non-standard, site-specific civil works beyond conventional road or building projects. They also deliver specialized services under 237110 (Water and Sewer Line Construction) and 237310 (Highway, Street, and Bridge Construction), positioning them as a niche provider of integrated civil infrastructure solutions for federal land and resource management missions. As a Women-Owned Small Business certified under the SBA’s 8(a) and WOSB programs, Montcal LLC leverages its small business status to compete for set-aside federal contracts. Based in Plains, Montana, the firm operates with a regional footprint but serves nationwide federal infrastructure needs, emphasizing agility, compliance, and mission-critical execution in remote and sensitive environments.