Our platform processes 2,684,826 SAM.gov registrations and 167,681 exclusion records to surface patterns that manual research cannot detect.
Step-by-step guide to federal exclusion verification and subcontractor screening. FAR 9.405, FAR 52.209-6, the 5-step SAM.gov workflow, and how geographic data adds address-level context that single-entity checks miss.
MethodologyThree federal contractors sharing one address isn't proof of anything. It's a flag. What concentration patterns actually mean for due diligence.
GuideA neutral comparison of approaches for compliance teams, PTAC counselors, and subcontract managers: SAM.gov direct, vendor management software, and systematic quarterly calendars.
AnalysisCalifornia has the largest federal contractor footprint of any state. A geographic analysis of 9,089 address clusters across San Diego, the Bay Area, Los Angeles, and Sacramento from 277,406 SAM.gov entities.
AnalysisVirginia hosts the densest federal contractor environment in the United States. A geographic analysis of 3,677 address clusters, 127,007 entities, and the DC Beltway corridor concentration that drives 43.2 percent of the state total.
GuideThree or more federal contractors at the same address is more common than most compliance teams realize. A guide to what co-location means, how often it occurs, and how to incorporate geographic screening into a standard due diligence workflow.
GuideWalk through the federal databases prime contractors use for subcontractor screening, the manual workflow most teams use today, where it falls short, and how geographic due diligence reports automate the gaps.
GuideThe GSA Excluded Parties List System (EPLS) became the SAM Exclusion List in 2012. Same data, new interface. A clear explanation of what changed, how to access the current 167,681-record database, and how geographic patterns add screening context.
GuideStep-by-step walkthrough of searching the SAM exclusion list (formerly EPLS/GSA excluded parties list). How to search by entity name or UEI, interpret each field in an exclusion record, verify active status, and add geographic screening that manual checks miss.
ResearchThe federal exclusion list contains 167,681 records spanning decades of enforcement. A guide to what it contains, who gets excluded, what each field tells you, and how the geographic distribution of matches looks across the United States.
AnalysisRanked analysis of the top 10 states by federal contractor address cluster count. The rankings, the metro patterns that drive each market, and what they mean for compliance teams managing multi-state supply chains.
MethodologyThe technical foundation of geographic federal contractor due diligence. How 2.68 million raw SAM.gov registrations become 67,594 actionable address clusters through normalization, threshold selection, risk scoring, and exclusion cross-referencing.
GuideWalk-through of FAR Part 9 subcontractor responsibility requirements, common compliance gaps in screening workflows, and how geographic due diligence supports the contractor responsibility determination process.
Every finding in these articles comes from our 50-state entity due diligence platform. Browse reports for any state.
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