{"license":"https://creativecommons.org/licenses/by/4.0/","dataset":"atlas","updatedThrough":"2026-08-15","guardrail":"The atlas exposes only relationships declared in the current public data. A link or issue grouping does not make unlike measures comparable, establish ownership or control, define an antitrust market, assign liability, or show that a policy event caused an economic outcome.","filters":{"depth":1,"edgeType":"all","edgeTypeMatched":true,"focus":"industry:4234","focusMatched":true,"kind":"all","kindMatched":true,"layer":"measurement","layerMatched":true,"query":"","view":"network"},"summary":{"nodeCount":5478,"edgeCount":19193,"sourceCount":45,"profileCount":5433,"nodeKindCount":13,"layerCount":4,"eligibleEdgeCount":18549,"matchedNodeCount":10,"plottedEdgeCount":17,"plottedNodeCount":10,"hiddenNodeCount":0,"directNeighborCount":9},"focusNode":{"id":"industry:4234","kind":"industry","label":"Professional and commercial equipment and supplies merchant wholesalers","shortLabel":"4234 Professional and...","description":"2022 Economic Census employer-firm concentration screen for NAICS 4234.","href":"/industries/4234","metricLabel":"Revenue HHI","metricValue":"133.7","detail":"19.5K firms / 766.5B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"4234 professional and commercial equipment and supplies merchant wholesalers 42","connectionCount":9},"nodes":[{"id":"industry:4234","kind":"industry","label":"Professional and commercial equipment and supplies merchant wholesalers","shortLabel":"4234 Professional and...","description":"2022 Economic Census employer-firm concentration screen for NAICS 4234.","href":"/industries/4234","metricLabel":"Revenue HHI","metricValue":"133.7","detail":"19.5K firms / 766.5B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"4234 professional and commercial equipment and supplies merchant wholesalers 42","connectionCount":9,"distance":0,"labelVisible":true,"radius":20,"x":450,"y":260},{"id":"industry:423","kind":"industry","label":"Merchant wholesalers, durable goods","shortLabel":"423 Merchant wholesale...","description":"2022 Economic Census employer-firm concentration screen for NAICS 423.","href":"/industries/423","metricLabel":"Revenue HHI","metricValue":"36.5","detail":"144K firms / 4.9T revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"423 merchant wholesalers, durable goods 42","connectionCount":11,"x":450,"y":112,"distance":1,"radius":11,"labelVisible":true},{"id":"industry:42343","kind":"industry","label":"Computer and computer peripheral equipment and software merchant wholesalers","shortLabel":"42343 Computer and com...","description":"2022 Economic Census employer-firm concentration screen for NAICS 42343.","href":"/industries/42343","metricLabel":"Revenue HHI","metricValue":"462.3","detail":"4.1K firms / 331.3B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"42343 computer and computer peripheral equipment and software merchant wholesalers 42","connectionCount":3,"x":545.133,"y":146.625,"distance":1,"radius":11,"labelVisible":true},{"id":"industry:42345","kind":"industry","label":"Medical, dental, and hospital equipment and supplies merchant wholesalers","shortLabel":"42345 Medical, dental,...","description":"2022 Economic Census employer-firm concentration screen for NAICS 42345.","href":"/industries/42345","metricLabel":"Revenue HHI","metricValue":"273.9","detail":"7.4K firms / 311.5B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"42345 medical, dental, and hospital equipment and supplies merchant wholesalers 42","connectionCount":3,"x":595.752,"y":234.3,"distance":1,"radius":11,"labelVisible":true},{"id":"industry:42342","kind":"industry","label":"Office equipment merchant wholesalers","shortLabel":"42342 Office equipment...","description":"2022 Economic Census employer-firm concentration screen for NAICS 42342.","href":"/industries/42342","metricLabel":"Revenue HHI","metricValue":"581.9","detail":"1.9K firms / 33.3B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"42342 office equipment merchant wholesalers 42","connectionCount":3,"x":578.172,"y":334,"distance":1,"radius":11,"labelVisible":true},{"id":"industry:42346","kind":"industry","label":"Ophthalmic goods merchant wholesalers","shortLabel":"42346 Ophthalmic goods...","description":"2022 Economic Census employer-firm concentration screen for NAICS 42346.","href":"/industries/42346","metricLabel":"Revenue HHI","metricValue":"457.5","detail":"859 firms / 12.7B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"42346 ophthalmic goods merchant wholesalers 42","connectionCount":3,"x":500.619,"y":399.075,"distance":1,"radius":11,"labelVisible":true},{"id":"industry:42344","kind":"industry","label":"Other commercial equipment merchant wholesalers","shortLabel":"42344 Other commercial...","description":"2022 Economic Census employer-firm concentration screen for NAICS 42344.","href":"/industries/42344","metricLabel":"Revenue HHI","metricValue":"151.3","detail":"2.7K firms / 33B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"42344 other commercial equipment merchant wholesalers 42","connectionCount":3,"x":399.381,"y":399.075,"distance":1,"radius":11,"labelVisible":true},{"id":"industry:42349","kind":"industry","label":"Other professional equipment and supplies merchant wholesalers","shortLabel":"42349 Other profession...","description":"2022 Economic Census employer-firm concentration screen for NAICS 42349.","href":"/industries/42349","metricLabel":"Revenue HHI","metricValue":"517.3","detail":"2.3K firms / 35.2B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"42349 other professional equipment and supplies merchant wholesalers 42","connectionCount":3,"x":321.828,"y":334,"distance":1,"radius":11,"labelVisible":true},{"id":"industry:42341","kind":"industry","label":"Photographic equipment and supplies merchant wholesalers","shortLabel":"42341 Photographic equ...","description":"2022 Economic Census employer-firm concentration screen for NAICS 42341.","href":"/industries/42341","metricLabel":"Revenue HHI","metricValue":"763.2","detail":"391 firms / 9.5B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"42341 photographic equipment and supplies merchant wholesalers 42","connectionCount":3,"x":304.248,"y":234.3,"distance":1,"radius":11,"labelVisible":true},{"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,"x":354.867,"y":146.625,"distance":1,"radius":11,"labelVisible":true}],"rows":[{"id":"industry-hierarchy:4234:423","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:4234","fromKind":"industry","fromLabel":"Professional and commercial equipment and supplies merchant wholesalers","fromHref":"/industries/4234","toId":"industry:423","toKind":"industry","toLabel":"Merchant wholesalers, durable goods","toHref":"/industries/423","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Professional and commercial equipment and supplies merchant wholesalers (NAICS 4234) is classified under Merchant wholesalers, durable goods (NAICS 423) 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:42341:4234","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:42341","fromKind":"industry","fromLabel":"Photographic equipment and supplies merchant wholesalers","fromHref":"/industries/42341","toId":"industry:4234","toKind":"industry","toLabel":"Professional and commercial equipment and supplies merchant wholesalers","toHref":"/industries/4234","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Photographic equipment and supplies merchant wholesalers (NAICS 42341) is classified under Professional and commercial equipment and supplies merchant wholesalers (NAICS 4234) 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:42342:4234","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:42342","fromKind":"industry","fromLabel":"Office equipment merchant wholesalers","fromHref":"/industries/42342","toId":"industry:4234","toKind":"industry","toLabel":"Professional and commercial equipment and supplies merchant wholesalers","toHref":"/industries/4234","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Office equipment merchant wholesalers (NAICS 42342) is classified under Professional and commercial equipment and supplies merchant wholesalers (NAICS 4234) 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:42343:4234","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:42343","fromKind":"industry","fromLabel":"Computer and computer peripheral equipment and software merchant wholesalers","fromHref":"/industries/42343","toId":"industry:4234","toKind":"industry","toLabel":"Professional and commercial equipment and supplies merchant wholesalers","toHref":"/industries/4234","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Computer and computer peripheral equipment and software merchant wholesalers (NAICS 42343) is classified under Professional and commercial equipment and supplies merchant wholesalers (NAICS 4234) 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:42344:4234","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:42344","fromKind":"industry","fromLabel":"Other commercial equipment merchant wholesalers","fromHref":"/industries/42344","toId":"industry:4234","toKind":"industry","toLabel":"Professional and commercial equipment and supplies merchant wholesalers","toHref":"/industries/4234","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Other commercial equipment merchant wholesalers (NAICS 42344) is classified under Professional and commercial equipment and supplies merchant wholesalers (NAICS 4234) 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:42345:4234","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:42345","fromKind":"industry","fromLabel":"Medical, dental, and hospital equipment and supplies merchant wholesalers","fromHref":"/industries/42345","toId":"industry:4234","toKind":"industry","toLabel":"Professional and commercial equipment and supplies merchant wholesalers","toHref":"/industries/4234","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Medical, dental, and hospital equipment and supplies merchant wholesalers (NAICS 42345) is classified under Professional and commercial equipment and supplies merchant wholesalers (NAICS 4234) 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:42346:4234","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:42346","fromKind":"industry","fromLabel":"Ophthalmic goods merchant wholesalers","fromHref":"/industries/42346","toId":"industry:4234","toKind":"industry","toLabel":"Professional and commercial equipment and supplies merchant wholesalers","toHref":"/industries/4234","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Ophthalmic goods merchant wholesalers (NAICS 42346) is classified under Professional and commercial equipment and supplies merchant wholesalers (NAICS 4234) 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:42349:4234","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:42349","fromKind":"industry","fromLabel":"Other professional equipment and supplies merchant wholesalers","fromHref":"/industries/42349","toId":"industry:4234","toKind":"industry","toLabel":"Professional and commercial equipment and supplies merchant wholesalers","toHref":"/industries/4234","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Other professional equipment and supplies merchant wholesalers (NAICS 42349) is classified under Professional and commercial equipment and supplies merchant wholesalers (NAICS 4234) 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:423:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:423","fromKind":"industry","fromLabel":"Merchant wholesalers, durable goods","fromHref":"/industries/423","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 423.","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:4234:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:4234","fromKind":"industry","fromLabel":"Professional and commercial equipment and supplies merchant wholesalers","fromHref":"/industries/4234","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 4234.","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:42341:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:42341","fromKind":"industry","fromLabel":"Photographic equipment and supplies merchant wholesalers","fromHref":"/industries/42341","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 42341.","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:42342:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:42342","fromKind":"industry","fromLabel":"Office equipment merchant wholesalers","fromHref":"/industries/42342","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 42342.","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:42343:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:42343","fromKind":"industry","fromLabel":"Computer and computer peripheral equipment and software merchant wholesalers","fromHref":"/industries/42343","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 42343.","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:42344:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:42344","fromKind":"industry","fromLabel":"Other commercial equipment merchant wholesalers","fromHref":"/industries/42344","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 42344.","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:42345:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:42345","fromKind":"industry","fromLabel":"Medical, dental, and hospital equipment and supplies merchant wholesalers","fromHref":"/industries/42345","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 42345.","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:42346:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:42346","fromKind":"industry","fromLabel":"Ophthalmic goods merchant wholesalers","fromHref":"/industries/42346","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 42346.","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:42349:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:42349","fromKind":"industry","fromLabel":"Other professional equipment and supplies merchant wholesalers","fromHref":"/industries/42349","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 42349.","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."}]}