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A Division of PEA Group

We’re a division of PEA Group, a leading provider of comprehensive site design consulting services including, civil engineering, land surveying, landscape architecture, and geotechnical engineering.

ASTI provides a full range of tree consulting services led by ISA Certified Arborists, Professional Wetland Scientists, and ecological specialists. Our team supports both public and private clients with tree inventories, assessments, and management planning that align with project goals and regulatory requirements. We evaluate species composition, condition, and site characteristics to guide planting, preservation, and replacement strategies. By combining field expertise with GIS-based mapping and practical recommendations, we help clients maintain healthy, resilient tree resources.

Tree Surveys

ASTI provides detailed tree surveys to support design, planning, and permitting efforts. Each tree is evaluated and mapped for species, size, and condition, establishing a clear foundation for preservation, removal, or replacement decisions.

Projects

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Our experts are here to discuss your needs and how we can help you move your project forward.

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