D & D Laboratory LLC

D & D Laboratory LLC, a veteran-owned small business based in Greenwood, South Carolina, provides specialized water quality testing and analysis services for federal healthcare facilities as a prime contractor, operating almost exclusively under veteran-owned small business set-asides and competing full-and-open on certain VA contracts. The company is a for-profit limited liability partnership certified by the SBA as a veteran-owned small business through February 16, 2028, and operates under primary NAICS 541380 (Testing Laboratories and Services), with secondary activity in medical laboratory services.

D & D Laboratory's capability footprint centers on AAMI-standard compliant water quality testing for dialysis operations, dental waterlines, sterile processing, and reverse osmosis systems at VA and Department of Defense medical facilities. The company performs colony count culture testing, LAL kinetic testing, endotoxin analysis, and comprehensive water quality assessments that meet Association for the Advancement of Medical Instrumentation standards. Representative work includes a $254.5 thousand purchase order from Veterans Integrated Service Network 6 (VISN 6) for water testing and monitoring at dialysis locations (awarded April 2024, performance through April 2029), a $280.9 thousand definitive contract from VISN 22 for dental and dialysis water testing at the VA Loma Linda Healthcare System (awarded March 2023, base period through September 2025 with four option years), and a $203.4 thousand purchase order from VISN 6 for water testing and sample collection kits at the Salisbury VA Medical Center (awarded April 2024, performance through April 2029).

Customer concentration is heavily skewed toward the VA. The top five customer agencies account for 72% of recent awards by count but only 64% by combined potential value, a divergence driven by VISN 19 anchoring the largest aggregate dollar value ($1.7 million across 16 awards) while VISN 2 leads by award volume (36 awards, $1.5 million combined potential value). VISN 8 places 29 awards worth $1.4 million combined potential value; VISN 9 carries 11 awards totaling $985 thousand; and VISN 4 accounts for 10 awards worth $606 thousand. The Defense Health Agency and Army Medical Command represent secondary DoD exposure with sporadic purchase orders for dialysis and water colony count testing. Across all activity, D & D Laboratory serves 17 distinct federal agencies, but VA regional networks dominate.

D & D Laboratory holds multiple single-award indefinite delivery contracts and blanket purchase agreements across VA regional networks. The GSA Multiple Award Schedule anchors 11 task orders valued at $1 million combined, allowing VISN regions and the Defense Health Agency to order water testing services on an as-needed basis. Agency-specific IDVs include a VISN 2 dialysis water quality analytical testing IDIQ ($250 thousand ceiling, through March 2030), a VISN 2 dental waterline testing IDIQ ($79.6 thousand ceiling, through June 2030), a VISN 4 hemodialysis water testing IDIQ ($187.9 thousand ceiling, through December 2029), a VISN 8 dialysis water analysis testing IDIQ ($71.2 thousand ceiling, through May 2025), and a VISN 9 blanket purchase agreement for dialysis water testing ($200 thousand ceiling, through April 2029). Task orders under these vehicles typically range from $9 thousand to $70 thousand per order.

Activity has remained consistent year over year, ranging from 10 to 19 awards annually over the past five years (2022–2026), with 8 awards recorded in 2026 to date. The recompete cliff presents material exposure: 21 awards with ultimate completion dates in the next twenty-four months carry combined potential value of $2.3 million, representing roughly one-quarter of the total portfolio. Several large purchase orders and definitive contracts expiring between September 2025 and September 2026 will require recompetition or renewal, including contracts with VISN 6, VISN 22, and VISN 19 currently supporting significant dialysis and dental water testing operations.

D & D Laboratory competes exclusively as a prime contractor; the source identifies no subcontract awards. The company's portfolio comprises 142 prime awards across 111 contracts coded to Testing Laboratories and Services, with 68 awards specifically coded to Reference Laboratory Testing (PSC) and 16 to Quality Control—Water Purification and Sewage Treatment Equipment, anchoring a narrow and defensible service portfolio. Combined potential value across the portfolio sits at $10 million, with $4.5 million obligated to date (45% realization rate), reflecting firm fixed-price contract structures typical of VA health-system procurement.

Dialysis, Dental and SPS water testing to include bacteria, endotoxin/LAL and Metals/anions.