The Binding Site. Inc.

The Binding Site, Inc. is a San Diego-based medical diagnostics company specializing in advanced laboratory equipment, reagents, and clinical testing services for federal healthcare agencies. As a for-profit corporate entity registered with SAM.gov since July 2001, the company serves as a prime contractor to the U.S. Department of Veterans Affairs, the Defense Health Agency, and the National Institutes of Health. The Binding Site provides specialized protein analysis technologies and diagnostic equipment essential to clinical pathology programs across the federal healthcare system, with a particular focus on supporting diagnostic capabilities for veterans and service members through multiple Veterans Integrated Service Networks.

The company's federal contract portfolio encompasses a diverse array of medical diagnostic products and services delivered across numerous Veterans Integrated Service Networks (VISNs) and the Defense Health Agency. Primary product lines include Optilite Analyzers and reagents for protein analysis, Freelight Cost-Per-Test Agreements for specialized laboratory testing, SPA (Specialized Protein Analyzer) equipment and reagents, and HevyLite testing kits for identifying free light chain lambda and kappa proteins and immunoglobulin assays. The Binding Site has also supplied automated urinalysis systems, COVID-19 testing kits, and maintenance services for installed equipment across VA medical facilities. Contract awards have been issued without set-aside designations, indicating open market competition, with the exception of one Total Small Business set-aside contract issued by VISN 2 in October 2023. Funding has been provided primarily through the Department of Veterans Affairs across multiple VISNs (1, 2, 6, 8, 10, 12, 16, 17, and 22), the Defense Health Agency, and the National Institutes of Health Clinical Center. Recent awards demonstrate consistent annual procurement levels, with individual contract awards ranging from approximately $35,000 to over $1.4 million, supporting clinical laboratory operations at VA medical centers in locations including San Diego, California; West Haven, Connecticut; Tampa, Florida; Gainesville, Florida; and Albany, New York.

The Binding Site maintains multiple active Indefinite Delivery Vehicles and Blanket Purchase Agreements with aggregate ceiling values exceeding $8 million, establishing the company as a critical vendor within the VA's diagnostic infrastructure. The company currently holds nine active prime IDVs with performance periods extending through 2030, including single-award agreements with VISN 1 (ceiling value $1,931,431.68 through December 2030) for Kappa Lambda HevyLite Testing Reagents and Supplies, VISN 2 (ceiling value $628,626.30 through September 2026) for Albany SPA Reagents, VISN 16 (ceiling value $1,090,455.20 through July 2030) for equipment leasing and pharmaceutical systems, and VISN 17 (ceiling value $568,231.11 through October 2028) for Freelight Cost-Per-Test Agreements. Additional IDVs include those with VISN 10 for Optilite Analyzers and reagents (ceiling value $339,053.02, awarded May 2023), VISN 8 for Special Protein Analyzers equipment and consumables (ceiling value $360,125.93, awarded April 2023), VISN 22 for reagents and supplies (ceiling value $1,471,581.89, awarded March 2023), and VISN 12 for Optilite Analyzers and reagents (ceiling value $643,696.41, awarded September 2022). The most recent IDV awards from VISN 10 (May 2025) and VISN 16 (July 2025) demonstrate continued federal agency reliance on The Binding Site's specialized diagnostic capabilities. These IDVs operate as single-award vehicles with firm fixed-price structures and no socioeconomic set-asides, enabling flexible procurement of laboratory equipment and testing services across multiple VA facilities. The company's extensive portfolio of active task orders issued against these vehicles, along with consistent award renewals and value increases, reflects the VA's strategic confidence in The Binding Site's ability to deliver reliable, specialized diagnostic solutions that directly support clinical pathology operations and veterans' healthcare outcomes.

IMMUNOLOGY RELATED PRODUCTS; ANTISERA, CONJUGATES, DIAGNOSTIC MEDICAL, RESEARCH AND VETERINARY KITS; LABORATORY SUPPLIES, MEDICAL.