Dunstan Shane

Dunstan Shane, operating as Mansfield Hollow Landscape, is a sole proprietorship providing grounds maintenance and boundary marking services to the U.S. Army Corps of Engineers New England District as a prime contractor under total small business set-asides. The vendor is based in Storrs, Connecticut, and operates exclusively within the landscaping services NAICS category (18 awards across the landscaping and groundskeeping PSC).

Mansfield Hollow Landscape's federal footprint is entirely concentrated with a single customer. The Department of the Army Corps of Engineers Engineering District New England accounts for 100% of the vendor's 18 prime awards, representing $266 thousand in combined potential value. Work is performed exclusively at Mansfield Hollow Dam and Mansfield Hollow Lake in Mansfield Center, Connecticut. Recent contract work includes a $14,600 purchase order awarded March 19, 2026 for grounds maintenance services (mowing, seasonal cleanup, brush cutting, and boundary marking) through December 31, 2026; a $14,200 purchase order awarded March 13, 2025 for weekly and monthly mowing, spring and fall clean-up, and annual brush cutting through December 31, 2025; and an $11,900 purchase order awarded March 26, 2024 for grounds maintenance across approximately 34 acres through December 31, 2024. All awards carry firm fixed pricing and are structured as purchase orders under total small business set-asides.

Activity has been sparse and seasonal — the vendor received one award in 2022, two in 2023, two in 2024, one in 2025, and one in 2026, with most awards issued in late March and carrying performance periods through December of the same year. One award (combined potential value $15 thousand) reaches ultimate completion within the next twenty-four months. Combined dollars obligated across all awards ($341 thousand) exceed combined potential value ($266 thousand) by 28 percent, indicating invoiced revenue ahead of ceiling projections. The vendor operates exclusively as a prime contractor with no subcontract activity and no participation on government-wide vehicles, BPAs, or multi-agency contract vehicles.