{"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:4441","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":7,"plottedEdgeCount":11,"plottedNodeCount":7,"hiddenNodeCount":0,"directNeighborCount":6},"focusNode":{"id":"industry:4441","kind":"industry","label":"Building material and supplies dealers","shortLabel":"4441 Building material...","description":"2022 Economic Census employer-firm concentration screen for NAICS 4441.","href":"/industries/4441","metricLabel":"Revenue HHI","metricValue":"D","detail":"35.3K firms / 481.9B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"4441 building material and supplies dealers 44","connectionCount":6},"nodes":[{"id":"industry:4441","kind":"industry","label":"Building material and supplies dealers","shortLabel":"4441 Building material...","description":"2022 Economic Census employer-firm concentration screen for NAICS 4441.","href":"/industries/4441","metricLabel":"Revenue HHI","metricValue":"D","detail":"35.3K firms / 481.9B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"4441 building material and supplies dealers 44","connectionCount":6,"distance":0,"labelVisible":true,"radius":20,"x":450,"y":260},{"id":"industry:444","kind":"industry","label":"Building material and garden equipment and supplies dealers","shortLabel":"444 Building material...","description":"2022 Economic Census employer-firm concentration screen for NAICS 444.","href":"/industries/444","metricLabel":"Revenue HHI","metricValue":"D","detail":"49.2K firms / 548.9B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"444 building material and garden equipment and supplies dealers 44","connectionCount":4,"x":450,"y":112,"distance":1,"radius":11,"labelVisible":true},{"id":"industry:44414","kind":"industry","label":"Hardware retailers","shortLabel":"44414 Hardware retailers","description":"2022 Economic Census employer-firm concentration screen for NAICS 44414.","href":"/industries/44414","metricLabel":"Revenue HHI","metricValue":"D","detail":"10.1K firms / 41.3B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"44414 hardware retailers 44","connectionCount":3,"x":578.172,"y":186,"distance":1,"radius":11,"labelVisible":true},{"id":"industry:44411","kind":"industry","label":"Home centers","shortLabel":"44411 Home centers","description":"2022 Economic Census employer-firm concentration screen for NAICS 44411.","href":"/industries/44411","metricLabel":"Revenue HHI","metricValue":"D","detail":"776 firms / 258B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"44411 home centers 44","connectionCount":3,"x":578.172,"y":334,"distance":1,"radius":11,"labelVisible":true},{"id":"industry:44418","kind":"industry","label":"Other building material dealers","shortLabel":"44418 Other building m...","description":"2022 Economic Census employer-firm concentration screen for NAICS 44418.","href":"/industries/44418","metricLabel":"Revenue HHI","metricValue":"58.9","detail":"23.2K firms / 166.6B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"44418 other building material dealers 44","connectionCount":3,"x":450,"y":408,"distance":1,"radius":11,"labelVisible":true},{"id":"industry:44412","kind":"industry","label":"Paint and wallpaper retailers","shortLabel":"44412 Paint and wallpa...","description":"2022 Economic Census employer-firm concentration screen for NAICS 44412.","href":"/industries/44412","metricLabel":"Revenue HHI","metricValue":"D","detail":"1.5K firms / 16B revenue","status":"disclosure withheld","year":2022,"color":"#f59e0b","searchText":"44412 paint and wallpaper retailers 44","connectionCount":3,"x":321.828,"y":334,"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":321.828,"y":186,"distance":1,"radius":11,"labelVisible":true}],"rows":[{"id":"industry-hierarchy:4441:444","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:4441","fromKind":"industry","fromLabel":"Building material and supplies dealers","fromHref":"/industries/4441","toId":"industry:444","toKind":"industry","toLabel":"Building material and garden equipment and supplies dealers","toHref":"/industries/444","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Building material and supplies dealers (NAICS 4441) is classified under Building material and garden equipment and supplies dealers (NAICS 444) 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:44411:4441","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:44411","fromKind":"industry","fromLabel":"Home centers","fromHref":"/industries/44411","toId":"industry:4441","toKind":"industry","toLabel":"Building material and supplies dealers","toHref":"/industries/4441","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Home centers (NAICS 44411) is classified under Building material and supplies dealers (NAICS 4441) 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:44412:4441","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:44412","fromKind":"industry","fromLabel":"Paint and wallpaper retailers","fromHref":"/industries/44412","toId":"industry:4441","toKind":"industry","toLabel":"Building material and supplies dealers","toHref":"/industries/4441","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Paint and wallpaper retailers (NAICS 44412) is classified under Building material and supplies dealers (NAICS 4441) 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:44414:4441","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:44414","fromKind":"industry","fromLabel":"Hardware retailers","fromHref":"/industries/44414","toId":"industry:4441","toKind":"industry","toLabel":"Building material and supplies dealers","toHref":"/industries/4441","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Hardware retailers (NAICS 44414) is classified under Building material and supplies dealers (NAICS 4441) 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:44418:4441","layer":"measurement","relationshipType":"industry_hierarchy","relationshipLabel":"NAICS parent classification","fromId":"industry:44418","fromKind":"industry","fromLabel":"Other building material dealers","fromHref":"/industries/44418","toId":"industry:4441","toKind":"industry","toLabel":"Building material and supplies dealers","toHref":"/industries/4441","evidenceLabel":"2022 NAICS hierarchy","evidenceDetail":"Other building material dealers (NAICS 44418) is classified under Building material and supplies dealers (NAICS 4441) 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:444:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:444","fromKind":"industry","fromLabel":"Building material and garden equipment and supplies dealers","fromHref":"/industries/444","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 444.","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:4441:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:4441","fromKind":"industry","fromLabel":"Building material and supplies dealers","fromHref":"/industries/4441","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 4441.","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:44411:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:44411","fromKind":"industry","fromLabel":"Home centers","fromHref":"/industries/44411","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 44411.","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:44412:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:44412","fromKind":"industry","fromLabel":"Paint and wallpaper retailers","fromHref":"/industries/44412","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 44412.","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:44414:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:44414","fromKind":"industry","fromLabel":"Hardware retailers","fromHref":"/industries/44414","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 44414.","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:44418:census-ecnsize-concentration-2022","layer":"measurement","relationshipType":"industry_source","relationshipLabel":"Economic Census source","fromId":"industry:44418","fromKind":"industry","fromLabel":"Other building material dealers","fromHref":"/industries/44418","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 44418.","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."}]}