High Definition Surveying via Remote Sensing and 3D Modeling.

The oldest surveying firm in Maine, Sewall has conducted boundary surveys and produced topographic mapping for private and commercial landowners, business and government organizations, and utilities since 1880. Our team utilizes traditional methodologies and advanced technologies to collect the prolific data detail required to provide the accurate mapping our clients have come to expect. Real-world modeling techniques enable Sewall clients to create detailed, cost-efficient plans and parametric models to analyze simulated reality scenes and streamline operations through enhanced decision making.