

Serving Northwest Montana since 1998.

Justin Ahmann, P.E., CFM
Civil Engineer

Marc Liechti
President
To assist our customers we continue to research and educate ourselves on the latest technology, delivery methods and products. We want our consulting services and designs to meet the goals of the customer’s project while keeping in mind the cost-benefit of the solutions we deliver. An experienced staff and understanding of the latest products allows us to deliver the results for your specific project. We also make sure that all of our clients feel welcome to participate in the design and product selection for their project.
Marc is the owner and principal of APEC, leading our Civil Engineering department. He provides APEC with great knowledge and expertise in infrastructure design, water utility, wasterwater treatment design and implementation, and subdivision planning process. His talent for translating clients project goals, budget requirements and project schedule into the highest quality designs, results in significant cost savings. It is Marc’s personal commitment and proven ability to understand and manage the entirety of a project from initial concept to construction, which adds substantial value to every project and produces satisfied clients.
Justin is our Director of Civil Engineering and Project Manager. He provides APEC with a strong understanding of the Civil Engineering field, from preliminary concept through construction. His primary responsibilities include: stormwater management, water system design, erosion and settlement control, wastewater system design and analysis, commercial and residential site development, water beneficial and environmental permitting, and construction management. Justin is currently licensed in Montana, North Dakota and Virginia. He is also a ASFPM Certified Floodplain Manager.
Joe is our Senior Environmental Technician and Design Engineer. He conducts geological and soils examinations along with site surveys, environmental permitting from local, state and federal agencies, and designs environmental mitigation and rehabilitation measures. He is also involved in the designing of sanitary wastewater conveyance and treatment systems, storm-water conveyance, detention/retention systems, and residential to municipal drinking water infrastructures.
Bob is our Senior Design Engineer and Site Engineer/Construction Management representative who has been involved in the design and inspection of utility installations and major building projects for over 30 years. His primary responsibilities include: obtaining field data, reviewing existing system installations, project layout, project bidding, and contract administration. Robert brings to the team a thorough background in the detailing and assembly of projects ranging from major subdivisions and public works projects to small water and sewer systems.

Joe Matulevich
Design Engineer / Geologist

Bob Stauffer
Senior Design Engineer
Our Team
Kim is our Senior Project Manager and Senior Architect. He is responsible for the planning and design of our projects and oversees that each project meets requirements, deadlines and specifications. His primary responsibilities include: commercial and residential structure planning and design, site planning and layout, planned unit development design, and construction administration.

Kim Larson, AIA
Project Manager / Architect
Brian is our CAD Manager and lead draftsman. He has over 9 years experience as a civil designer and draftsman, as well as numerous years of land surveying and construction staking field experience. Brian provides the necessary skills to coordinate project information from all disciplines to create final construction documents and understands the importance of an accurate and well-coordinated drawing set. His primary responsibilities include: residential and commercial site design, road layout and profiling, topographic mapping as well as water, sanitary sewer and storm sewer design.

Brian Nelson
Staff Designer