{"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:4853","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":7,"leftNeighborCount":4,"pathLimitReached":false,"rightNeighborCount":1872,"sharedNeighborCount":3,"shortestHopCount":1,"shortestPathCount":1},"endpoints":{"left":{"id":"industry:4853","kind":"industry","label":"Taxi and limousine service","shortLabel":"4853 Taxi and limousin...","description":"2022 Economic Census employer-firm concentration screen for NAICS 4853.","href":"/industries/4853","metricLabel":"Revenue HHI","metricValue":"D","detail":"7.2K firms / 18.8B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"4853 taxi and limousine service 48","connectionCount":4},"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:4853:census-ecnsize-concentration-2022","edges":[{"id":"industry-source:4853:census-ecnsize-concentration-2022","type":"industry_source","layer":"measurement","from":"industry:4853","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 4853.","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:4853","kind":"industry","label":"Taxi and limousine service","shortLabel":"4853 Taxi and limousin...","description":"2022 Economic Census employer-firm concentration screen for NAICS 4853.","href":"/industries/4853","metricLabel":"Revenue HHI","metricValue":"D","detail":"7.2K firms / 18.8B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"4853 taxi and limousine service 48","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}]}],"sharedNeighbors":[{"leftEdges":[{"id":"industry-hierarchy:48532:4853","type":"industry_hierarchy","layer":"measurement","from":"industry:48532","to":"industry:4853","label":"NAICS parent classification","detail":"Limousine service (NAICS 48532) is classified under Taxi and limousine service (NAICS 4853) 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:48532","kind":"industry","label":"Limousine service","shortLabel":"48532 Limousine service","description":"2022 Economic Census employer-firm concentration screen for NAICS 48532.","href":"/industries/48532","metricLabel":"Revenue HHI","metricValue":"55.2","detail":"4.1K firms / 4.4B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"48532 limousine service 48","connectionCount":3},"rightEdges":[{"id":"industry-source:48532:census-ecnsize-concentration-2022","type":"industry_source","layer":"measurement","from":"industry:48532","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 48532.","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:48531:4853","type":"industry_hierarchy","layer":"measurement","from":"industry:48531","to":"industry:4853","label":"NAICS parent classification","detail":"Taxi and ridesharing services (NAICS 48531) is classified under Taxi and limousine service (NAICS 4853) 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:48531","kind":"industry","label":"Taxi and ridesharing services","shortLabel":"48531 Taxi and ridesha...","description":"2022 Economic Census employer-firm concentration screen for NAICS 48531.","href":"/industries/48531","metricLabel":"Revenue HHI","metricValue":"D","detail":"3.1K firms / 14.4B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"48531 taxi and ridesharing services 48","connectionCount":3},"rightEdges":[{"id":"industry-source:48531:census-ecnsize-concentration-2022","type":"industry_source","layer":"measurement","from":"industry:48531","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 48531.","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:4853:485","type":"industry_hierarchy","layer":"measurement","from":"industry:4853","to":"industry:485","label":"NAICS parent classification","detail":"Taxi and limousine service (NAICS 4853) is classified under Transit and ground passenger transportation (NAICS 485) 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:485","kind":"industry","label":"Transit and ground passenger transportation","shortLabel":"485 Transit and ground...","description":"2022 Economic Census employer-firm concentration screen for NAICS 485.","href":"/industries/485","metricLabel":"Revenue HHI","metricValue":"D","detail":"16.5K firms / 50.9B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"485 transit and ground passenger transportation 48","connectionCount":8},"rightEdges":[{"id":"industry-source:485:census-ecnsize-concentration-2022","type":"industry_source","layer":"measurement","from":"industry:485","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 485.","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:48532","kind":"industry","label":"Limousine service","shortLabel":"48532 Limousine service","description":"2022 Economic Census employer-firm concentration screen for NAICS 48532.","href":"/industries/48532","metricLabel":"Revenue HHI","metricValue":"55.2","detail":"4.1K firms / 4.4B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"48532 limousine service 48","connectionCount":3},{"id":"industry:4853","kind":"industry","label":"Taxi and limousine service","shortLabel":"4853 Taxi and limousin...","description":"2022 Economic Census employer-firm concentration screen for NAICS 4853.","href":"/industries/4853","metricLabel":"Revenue HHI","metricValue":"D","detail":"7.2K firms / 18.8B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"4853 taxi and limousine service 48","connectionCount":4},{"id":"industry:48531","kind":"industry","label":"Taxi and ridesharing services","shortLabel":"48531 Taxi and ridesha...","description":"2022 Economic Census employer-firm concentration screen for NAICS 48531.","href":"/industries/48531","metricLabel":"Revenue HHI","metricValue":"D","detail":"3.1K firms / 14.4B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"48531 taxi and ridesharing services 48","connectionCount":3},{"id":"industry:485","kind":"industry","label":"Transit and ground passenger transportation","shortLabel":"485 Transit and ground...","description":"2022 Economic Census employer-firm concentration screen for NAICS 485.","href":"/industries/485","metricLabel":"Revenue HHI","metricValue":"D","detail":"16.5K firms / 50.9B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"485 transit and ground passenger transportation 48","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:4853:485","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:4853","fromKind":"industry","fromLabel":"Taxi and limousine service","fromHref":"/industries/4853","toId":"industry:485","toKind":"industry","toLabel":"Transit and ground passenger transportation","toHref":"/industries/485","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Taxi and limousine service (NAICS 4853) is classified under Transit and ground passenger transportation (NAICS 485) 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:48531:4853","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:48531","fromKind":"industry","fromLabel":"Taxi and ridesharing services","fromHref":"/industries/48531","toId":"industry:4853","toKind":"industry","toLabel":"Taxi and limousine service","toHref":"/industries/4853","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Taxi and ridesharing services (NAICS 48531) is classified under Taxi and limousine service (NAICS 4853) 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:48532:4853","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:48532","fromKind":"industry","fromLabel":"Limousine service","fromHref":"/industries/48532","toId":"industry:4853","toKind":"industry","toLabel":"Taxi and limousine service","toHref":"/industries/4853","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Limousine service (NAICS 48532) is classified under Taxi and limousine service (NAICS 4853) 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:485:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:485","fromKind":"industry","fromLabel":"Transit and ground passenger transportation","fromHref":"/industries/485","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 485.","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:4853:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:4853","fromKind":"industry","fromLabel":"Taxi and limousine service","fromHref":"/industries/4853","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 4853.","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:48531:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:48531","fromKind":"industry","fromLabel":"Taxi and ridesharing services","fromHref":"/industries/48531","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 48531.","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:48532:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:48532","fromKind":"industry","fromLabel":"Limousine service","fromHref":"/industries/48532","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 48532.","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."}]}