{"license":"https://creativecommons.org/licenses/by/4.0/","dataset":"atlas","mode":"comparison","updatedThrough":"2026-08-15","guardrail":"A bilateral atlas route preserves a sequence of declared edges for navigation and audit. A direct edge, common neighbor, or multi-hop path does not make the endpoints equivalent, establish ownership or control, assign liability, define an antitrust market, make unlike measures comparable, or show causation.","filters":{"layer":"all","layerMatched":true,"left":"industry:4592","leftMatched":true,"right":"source:census-ecnsize-concentration-2022","rightMatched":true,"view":"paths"},"summary":{"nodeCount":5478,"edgeCount":19193,"sourceCount":1,"profileCount":5433,"nodeKindCount":13,"layerCount":4,"directEdgeCount":1,"disconnected":false,"eligibleEdgeCount":19193,"ledgerEdgeCount":5,"leftNeighborCount":3,"pathLimitReached":false,"rightNeighborCount":1872,"sharedNeighborCount":2,"shortestHopCount":1,"shortestPathCount":1},"endpoints":{"left":{"id":"industry:4592","kind":"industry","label":"Book retailers and news dealers","shortLabel":"4592 Book retailers an...","description":"2022 Economic Census employer-firm concentration screen for NAICS 4592.","href":"/industries/4592","metricLabel":"Revenue HHI","metricValue":"D","detail":"4K firms / 15.4B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"4592 book retailers and news dealers 44","connectionCount":3},"right":{"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}},"shortestPaths":[{"id":"path:industry-source:4592:census-ecnsize-concentration-2022","edges":[{"id":"industry-source:4592:census-ecnsize-concentration-2022","type":"industry_source","layer":"measurement","from":"industry:4592","to":"source:census-ecnsize-concentration-2022","label":"Economic Census source","detail":"2022 Economic Census Concentration of Largest Firms supplies the 2022 employer-firm concentration screen for NAICS 4592.","evidenceLabel":"U.S. Census Bureau","sourceId":"census-ecnsize-concentration-2022","sourceUrl":"https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZECONCEN.zip","confidenceLevel":"high","guardrail":"The Census source supports an industry screening row, not a legal antitrust market finding."}],"hopCount":1,"nodes":[{"id":"industry:4592","kind":"industry","label":"Book retailers and news dealers","shortLabel":"4592 Book retailers an...","description":"2022 Economic Census employer-firm concentration screen for NAICS 4592.","href":"/industries/4592","metricLabel":"Revenue HHI","metricValue":"D","detail":"4K firms / 15.4B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"4592 book retailers and news dealers 44","connectionCount":3},{"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}]}],"sharedNeighbors":[{"leftEdges":[{"id":"industry-hierarchy:45921:4592","type":"industry_hierarchy","layer":"measurement","from":"industry:45921","to":"industry:4592","label":"NAICS parent classification","detail":"Book retailers and news dealers (NAICS 45921) is classified under Book retailers and news dealers (NAICS 4592) in the 2022 NAICS hierarchy.","evidenceLabel":"2022 NAICS hierarchy","sourceId":"census-ecnsize-concentration-2022","sourceUrl":"https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZECONCEN.zip","confidenceLevel":"high","guardrail":"A NAICS parent-child link records Census classification ancestry; it does not establish product substitutability, a legal antitrust market, or competitive effects."}],"node":{"id":"industry:45921","kind":"industry","label":"Book retailers and news dealers","shortLabel":"45921 Book retailers a...","description":"2022 Economic Census employer-firm concentration screen for NAICS 45921.","href":"/industries/45921","metricLabel":"Revenue HHI","metricValue":"D","detail":"4K firms / 15.4B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"45921 book retailers and news dealers 44","connectionCount":3},"rightEdges":[{"id":"industry-source:45921:census-ecnsize-concentration-2022","type":"industry_source","layer":"measurement","from":"industry:45921","to":"source:census-ecnsize-concentration-2022","label":"Economic Census source","detail":"2022 Economic Census Concentration of Largest Firms supplies the 2022 employer-firm concentration screen for NAICS 45921.","evidenceLabel":"U.S. Census Bureau","sourceId":"census-ecnsize-concentration-2022","sourceUrl":"https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZECONCEN.zip","confidenceLevel":"high","guardrail":"The Census source supports an industry screening row, not a legal antitrust market finding."}]},{"leftEdges":[{"id":"industry-hierarchy:4592:459","type":"industry_hierarchy","layer":"measurement","from":"industry:4592","to":"industry:459","label":"NAICS parent classification","detail":"Book retailers and news dealers (NAICS 4592) is classified under Sporting goods, hobby, musical instrument, book and miscellaneous retailers (NAICS 459) in the 2022 NAICS hierarchy.","evidenceLabel":"2022 NAICS hierarchy","sourceId":"census-ecnsize-concentration-2022","sourceUrl":"https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZECONCEN.zip","confidenceLevel":"high","guardrail":"A NAICS parent-child link records Census classification ancestry; it does not establish product substitutability, a legal antitrust market, or competitive effects."}],"node":{"id":"industry:459","kind":"industry","label":"Sporting goods, hobby, musical instrument, book and miscellaneous retailers","shortLabel":"459 Sporting goods, ho...","description":"2022 Economic Census employer-firm concentration screen for NAICS 459.","href":"/industries/459","metricLabel":"Revenue HHI","metricValue":"74.5","detail":"145.4K firms / 383.7B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"459 sporting goods, hobby, musical instrument, book and miscellaneous retailers 44","connectionCount":8},"rightEdges":[{"id":"industry-source:459:census-ecnsize-concentration-2022","type":"industry_source","layer":"measurement","from":"industry:459","to":"source:census-ecnsize-concentration-2022","label":"Economic Census source","detail":"2022 Economic Census Concentration of Largest Firms supplies the 2022 employer-firm concentration screen for NAICS 459.","evidenceLabel":"U.S. Census Bureau","sourceId":"census-ecnsize-concentration-2022","sourceUrl":"https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZECONCEN.zip","confidenceLevel":"high","guardrail":"The Census source supports an industry screening row, not a legal antitrust market finding."}]}],"nodes":[{"id":"industry:4592","kind":"industry","label":"Book retailers and news dealers","shortLabel":"4592 Book retailers an...","description":"2022 Economic Census employer-firm concentration screen for NAICS 4592.","href":"/industries/4592","metricLabel":"Revenue HHI","metricValue":"D","detail":"4K firms / 15.4B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"4592 book retailers and news dealers 44","connectionCount":3},{"id":"industry:45921","kind":"industry","label":"Book retailers and news dealers","shortLabel":"45921 Book retailers a...","description":"2022 Economic Census employer-firm concentration screen for NAICS 45921.","href":"/industries/45921","metricLabel":"Revenue HHI","metricValue":"D","detail":"4K firms / 15.4B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"45921 book retailers and news dealers 44","connectionCount":3},{"id":"industry:459","kind":"industry","label":"Sporting goods, hobby, musical instrument, book and miscellaneous retailers","shortLabel":"459 Sporting goods, ho...","description":"2022 Economic Census employer-firm concentration screen for NAICS 459.","href":"/industries/459","metricLabel":"Revenue HHI","metricValue":"74.5","detail":"145.4K firms / 383.7B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"459 sporting goods, hobby, musical instrument, book and miscellaneous retailers 44","connectionCount":8},{"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}],"rows":[{"id":"industry-hierarchy:4592:459","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:4592","fromKind":"industry","fromLabel":"Book retailers and news dealers","fromHref":"/industries/4592","toId":"industry:459","toKind":"industry","toLabel":"Sporting goods, hobby, musical instrument, book and miscellaneous retailers","toHref":"/industries/459","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Book retailers and news dealers (NAICS 4592) is classified under Sporting goods, hobby, musical instrument, book and miscellaneous retailers (NAICS 459) in the 2022 NAICS hierarchy.","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":"A NAICS parent-child link records Census classification ancestry; it does not establish product substitutability, a legal antitrust market, or competitive effects."},{"id":"industry-hierarchy:45921:4592","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:45921","fromKind":"industry","fromLabel":"Book retailers and news dealers","fromHref":"/industries/45921","toId":"industry:4592","toKind":"industry","toLabel":"Book retailers and news dealers","toHref":"/industries/4592","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Book retailers and news dealers (NAICS 45921) is classified under Book retailers and news dealers (NAICS 4592) in the 2022 NAICS hierarchy.","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":"A NAICS parent-child link records Census classification ancestry; it does not establish product substitutability, a legal antitrust market, or competitive effects."},{"id":"industry-source:459:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:459","fromKind":"industry","fromLabel":"Sporting goods, hobby, musical instrument, book and miscellaneous retailers","fromHref":"/industries/459","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 459.","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."},{"id":"industry-source:4592:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:4592","fromKind":"industry","fromLabel":"Book retailers and news dealers","fromHref":"/industries/4592","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 4592.","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."},{"id":"industry-source:45921:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:45921","fromKind":"industry","fromLabel":"Book retailers and news dealers","fromHref":"/industries/45921","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 45921.","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."}]}