{"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:6115","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:6115","kind":"industry","label":"Technical and trade schools","shortLabel":"6115 Technical and tra...","description":"2022 Economic Census employer-firm concentration screen for NAICS 6115.","href":"/industries/6115","metricLabel":"Revenue HHI","metricValue":"D","detail":"6.9K firms / 15.3B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"6115 technical and trade schools 61","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:6115:census-ecnsize-concentration-2022","edges":[{"id":"industry-source:6115:census-ecnsize-concentration-2022","type":"industry_source","layer":"measurement","from":"industry:6115","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 6115.","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:6115","kind":"industry","label":"Technical and trade schools","shortLabel":"6115 Technical and tra...","description":"2022 Economic Census employer-firm concentration screen for NAICS 6115.","href":"/industries/6115","metricLabel":"Revenue HHI","metricValue":"D","detail":"6.9K firms / 15.3B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"6115 technical and trade schools 61","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:6115:611","type":"industry_hierarchy","layer":"measurement","from":"industry:6115","to":"industry:611","label":"NAICS parent classification","detail":"Technical and trade schools (NAICS 6115) is classified under Educational services (NAICS 611) 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:611","kind":"industry","label":"Educational services","shortLabel":"611 Educational services","description":"2022 Economic Census employer-firm concentration screen for NAICS 611.","href":"/industries/611","metricLabel":"Revenue HHI","metricValue":"11","detail":"82.9K firms / 89.6B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"611 educational services 61","connectionCount":6},"rightEdges":[{"id":"industry-source:611:census-ecnsize-concentration-2022","type":"industry_source","layer":"measurement","from":"industry:611","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 611.","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:61151:6115","type":"industry_hierarchy","layer":"measurement","from":"industry:61151","to":"industry:6115","label":"NAICS parent classification","detail":"Technical and trade schools (NAICS 61151) is classified under Technical and trade schools (NAICS 6115) 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:61151","kind":"industry","label":"Technical and trade schools","shortLabel":"61151 Technical and tr...","description":"2022 Economic Census employer-firm concentration screen for NAICS 61151.","href":"/industries/61151","metricLabel":"Revenue HHI","metricValue":"D","detail":"6.9K firms / 15.3B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"61151 technical and trade schools 61","connectionCount":6},"rightEdges":[{"id":"industry-source:61151:census-ecnsize-concentration-2022","type":"industry_source","layer":"measurement","from":"industry:61151","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 61151.","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:611","kind":"industry","label":"Educational services","shortLabel":"611 Educational services","description":"2022 Economic Census employer-firm concentration screen for NAICS 611.","href":"/industries/611","metricLabel":"Revenue HHI","metricValue":"11","detail":"82.9K firms / 89.6B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"611 educational services 61","connectionCount":6},{"id":"industry:6115","kind":"industry","label":"Technical and trade schools","shortLabel":"6115 Technical and tra...","description":"2022 Economic Census employer-firm concentration screen for NAICS 6115.","href":"/industries/6115","metricLabel":"Revenue HHI","metricValue":"D","detail":"6.9K firms / 15.3B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"6115 technical and trade schools 61","connectionCount":3},{"id":"industry:61151","kind":"industry","label":"Technical and trade schools","shortLabel":"61151 Technical and tr...","description":"2022 Economic Census employer-firm concentration screen for NAICS 61151.","href":"/industries/61151","metricLabel":"Revenue HHI","metricValue":"D","detail":"6.9K firms / 15.3B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"61151 technical and trade schools 61","connectionCount":6},{"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:6115:611","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:6115","fromKind":"industry","fromLabel":"Technical and trade schools","fromHref":"/industries/6115","toId":"industry:611","toKind":"industry","toLabel":"Educational services","toHref":"/industries/611","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Technical and trade schools (NAICS 6115) is classified under Educational services (NAICS 611) 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:61151:6115","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:61151","fromKind":"industry","fromLabel":"Technical and trade schools","fromHref":"/industries/61151","toId":"industry:6115","toKind":"industry","toLabel":"Technical and trade schools","toHref":"/industries/6115","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Technical and trade schools (NAICS 61151) is classified under Technical and trade schools (NAICS 6115) 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:611:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:611","fromKind":"industry","fromLabel":"Educational services","fromHref":"/industries/611","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 611.","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:6115:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:6115","fromKind":"industry","fromLabel":"Technical and trade schools","fromHref":"/industries/6115","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 6115.","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:61151:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:61151","fromKind":"industry","fromLabel":"Technical and trade schools","fromHref":"/industries/61151","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 61151.","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."}]}