{"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:21112","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:21112","kind":"industry","label":"Crude petroleum extraction","shortLabel":"21112 Crude petroleum...","description":"2022 Economic Census employer-firm concentration screen for NAICS 21112.","href":"/industries/21112","metricLabel":"Revenue HHI","metricValue":"572.1","detail":"3.2K firms / 354.1B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"21112 crude petroleum extraction 21","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:21112:census-ecnsize-concentration-2022","edges":[{"id":"industry-source:21112:census-ecnsize-concentration-2022","type":"industry_source","layer":"measurement","from":"industry:21112","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 21112.","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:21112","kind":"industry","label":"Crude petroleum extraction","shortLabel":"21112 Crude petroleum...","description":"2022 Economic Census employer-firm concentration screen for NAICS 21112.","href":"/industries/21112","metricLabel":"Revenue HHI","metricValue":"572.1","detail":"3.2K firms / 354.1B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"21112 crude petroleum extraction 21","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:211120:21112","type":"industry_hierarchy","layer":"measurement","from":"industry:211120","to":"industry:21112","label":"NAICS parent classification","detail":"Crude petroleum extraction (NAICS 211120) is classified under Crude petroleum extraction (NAICS 21112) 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:211120","kind":"industry","label":"Crude petroleum extraction","shortLabel":"211120 Crude petroleum...","description":"2022 Economic Census employer-firm concentration screen for NAICS 211120.","href":"/industries/211120","metricLabel":"Revenue HHI","metricValue":"572.1","detail":"3.2K firms / 354.1B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"211120 crude petroleum extraction 21","connectionCount":4},"rightEdges":[{"id":"industry-source:211120:census-ecnsize-concentration-2022","type":"industry_source","layer":"measurement","from":"industry:211120","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 211120.","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:21112:2111","type":"industry_hierarchy","layer":"measurement","from":"industry:21112","to":"industry:2111","label":"NAICS parent classification","detail":"Crude petroleum extraction (NAICS 21112) is classified under Oil and gas extraction (NAICS 2111) 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:2111","kind":"industry","label":"Oil and gas extraction","shortLabel":"2111 Oil and gas extra...","description":"2022 Economic Census employer-firm concentration screen for NAICS 2111.","href":"/industries/2111","metricLabel":"Revenue HHI","metricValue":"334.8","detail":"3.9K firms / 532.9B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"2111 oil and gas extraction 21","connectionCount":4},"rightEdges":[{"id":"industry-source:2111:census-ecnsize-concentration-2022","type":"industry_source","layer":"measurement","from":"industry:2111","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 2111.","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:21112","kind":"industry","label":"Crude petroleum extraction","shortLabel":"21112 Crude petroleum...","description":"2022 Economic Census employer-firm concentration screen for NAICS 21112.","href":"/industries/21112","metricLabel":"Revenue HHI","metricValue":"572.1","detail":"3.2K firms / 354.1B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"21112 crude petroleum extraction 21","connectionCount":3},{"id":"industry:211120","kind":"industry","label":"Crude petroleum extraction","shortLabel":"211120 Crude petroleum...","description":"2022 Economic Census employer-firm concentration screen for NAICS 211120.","href":"/industries/211120","metricLabel":"Revenue HHI","metricValue":"572.1","detail":"3.2K firms / 354.1B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"211120 crude petroleum extraction 21","connectionCount":4},{"id":"industry:2111","kind":"industry","label":"Oil and gas extraction","shortLabel":"2111 Oil and gas extra...","description":"2022 Economic Census employer-firm concentration screen for NAICS 2111.","href":"/industries/2111","metricLabel":"Revenue HHI","metricValue":"334.8","detail":"3.9K firms / 532.9B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"2111 oil and gas extraction 21","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}],"rows":[{"id":"industry-hierarchy:21112:2111","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:21112","fromKind":"industry","fromLabel":"Crude petroleum extraction","fromHref":"/industries/21112","toId":"industry:2111","toKind":"industry","toLabel":"Oil and gas extraction","toHref":"/industries/2111","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Crude petroleum extraction (NAICS 21112) is classified under Oil and gas extraction (NAICS 2111) 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:211120:21112","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:211120","fromKind":"industry","fromLabel":"Crude petroleum extraction","fromHref":"/industries/211120","toId":"industry:21112","toKind":"industry","toLabel":"Crude petroleum extraction","toHref":"/industries/21112","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Crude petroleum extraction (NAICS 211120) is classified under Crude petroleum extraction (NAICS 21112) 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:2111:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:2111","fromKind":"industry","fromLabel":"Oil and gas extraction","fromHref":"/industries/2111","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 2111.","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:21112:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:21112","fromKind":"industry","fromLabel":"Crude petroleum extraction","fromHref":"/industries/21112","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 21112.","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:211120:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:211120","fromKind":"industry","fromLabel":"Crude petroleum extraction","fromHref":"/industries/211120","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 211120.","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."}]}