{"license":"https://creativecommons.org/licenses/by/4.0/","dataset":"atlas","mode":"workspace","updatedThrough":"2026-08-15","citation":"Antitrust Radar, Atlas Research Workspace: Building material and garden equipment and supplies dealers; 2022 Economic Census Concentration of Largest Firms (2026-08-15); 2 canonical profiles and 1 declared supporting edges.","guardrail":"The workspace assembles canonical profiles and declared Atlas edges for research navigation. A direct edge preserves only its encoded evidence statement. A multi-hop route does not establish a direct endpoint relationship, make unlike measures comparable, define a legal market, assign ownership, control, liability, or causation, or prove a policy effect.","filters":{"duplicateItems":[],"items":["industry:444","source:census-ecnsize-concentration-2022"],"itemsMatched":true,"requestedItems":["industry:444","source:census-ecnsize-concentration-2022"],"truncated":false,"unmatchedItems":[],"layer":"measurement","layerMatched":true,"view":"map"},"diagnostics":{"bridgeDependenceRate":0,"confidenceCounts":{"bounded":0,"high":1,"low":0,"medium":0},"connectedPairRate":1,"directPairRate":1,"layerCounts":[{"count":1,"layer":"measurement"},{"count":0,"layer":"organization"},{"count":0,"layer":"enforcement"},{"count":0,"layer":"research"}],"sourceBearingEdgeCount":1,"sourceCoverageRate":1,"transitNodes":[]},"summary":{"bridgedPairCount":0,"connectedPairCount":1,"connectorNodeCount":0,"directPairCount":1,"disconnectedPairCount":0,"layerCount":1,"ledgerEdgeCount":1,"nodeKindCount":2,"pairCount":1,"selectedNodeCount":2,"sourceCount":1},"selectedNodes":[{"id":"industry:444","kind":"industry","label":"Building material and garden equipment and supplies dealers","shortLabel":"444 Building material...","description":"2022 Economic Census employer-firm concentration screen for NAICS 444.","href":"/industries/444","metricLabel":"Revenue HHI","metricValue":"D","detail":"49.2K firms / 548.9B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"444 building material and garden equipment and supplies dealers 44","connectionCount":4},{"id":"source:census-ecnsize-concentration-2022","kind":"source","label":"2022 Economic Census Concentration of Largest Firms","shortLabel":"U.S. Census Bureau","description":"Economy-wide national firm concentration statistics by 2022 NAICS industry including revenue-based HHI and largest-firm concentration ratios.","href":"/sources/census-ecnsize-concentration-2022","metricLabel":"Access date","metricValue":"2026-07-17","detail":"U.S. Census Bureau","status":"public dataset","year":2026,"color":"#64748b","searchText":"census-ecnsize-concentration-2022 2022 economic census concentration of largest firms u.s. census bureau economy-wide national firm concentration statistics by 2022 naics industry including revenue-based hhi and largest-firm concentration ratios. u.s. census bureau, 2022 economic census, ec2200sizeconcen: selected sectors - concentration of largest firms for the united states, released april 2025. public_dataset","connectionCount":1872}],"connectorNodes":[],"pairs":[{"id":"industry:444--source:census-ecnsize-concentration-2022","leftId":"industry:444","leftLabel":"Building material and garden equipment and supplies dealers","rightId":"source:census-ecnsize-concentration-2022","rightLabel":"2022 Economic Census Concentration of Largest Firms","status":"direct","directEdgeCount":1,"shortestHopCount":1,"alternativeShortestPathCount":0,"primaryPathNodeIds":["industry:444","source:census-ecnsize-concentration-2022"],"primaryPathEdgeIds":["industry-source:444:census-ecnsize-concentration-2022"]}],"sources":[{"edgeCount":1,"href":"/sources/census-ecnsize-concentration-2022","id":"census-ecnsize-concentration-2022","label":"2022 Economic Census Concentration of Largest Firms","sourceUrl":"https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZECONCEN.zip"}],"rows":[{"id":"industry-source:444:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:444","fromKind":"industry","fromLabel":"Building material and garden equipment and supplies dealers","fromHref":"/industries/444","toId":"source:census-ecnsize-concentration-2022","toKind":"source","toLabel":"2022 Economic Census Concentration of Largest Firms","toHref":"/sources/census-ecnsize-concentration-2022","evidenceLabel":"U.S. Census Bureau","evidenceDetail":"2022 Economic Census Concentration of Largest Firms supplies the 2022 employer-firm concentration screen for NAICS 444.","sourceId":"census-ecnsize-concentration-2022","sourceUrl":"https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZECONCEN.zip","confidenceLevel":"high","indicatorId":null,"entityCode":null,"observationCount":null,"firstYear":null,"latestYear":null,"preferredView":null,"sourceIds":null,"guardrail":"The Census source supports an industry screening row, not a legal antitrust market finding."}]}