The Department of Agriculture awarded a purchase order to DDL Group LLC, a women-owned small business, on September 25, 2026, for $64,500 to perform greenhouse repairs and electrical work at the Norman A. Berg Plant Materials Center in Calverton, Maryland. The order carries a total small business set-aside. Work includes foundational repairs and re-parging of approximately 350 linear feet of cinder block knee walls in North and South greenhouses, replacement of a commercial greenhouse door on the North Greenhouse, electrical upgrades including hardwiring exhaust fans and installing a 240V/50-amp fast charger outlet and a 3-phase 208V 200A electrical hookup for a lab trailer with associated disconnect and distribution panel, replacement of approximately 20 GFCI-protected outlets per greenhouse, and site cleanup. The contractor must complete work within 45 calendar days of notice to proceed. Davis-Bacon prevailing wage rates apply.