{"company":{"id":1771313,"name":"HDR","domain":"hdrinc.com","url":"https://alion.io/company/hdrinc"},"answer":"As of Nov 12, 2026, Alion lists 10 companies most like HDR: AECOM, STV, GHD, Ramboll, Woolpert, Michael Baker International, Larsen & Toubro, SJ Group, Parsons and LaBella Associates.","highlights":["HDR itself has 1,435 open roles on Alion.","Of them, AECOM is hiring the most, with 3,803 open roles."],"as_of":"2026-11-12","cite":"Alion, \"HDR competitors and alternatives: 10 similar companies compared on hiring and funding\", as of Nov 12, 2026. https://alion.io/company/hdrinc/competitors","indexable":true,"target":{"name":"HDR","url":"https://alion.io/company/hdrinc","domain":"hdrinc.com","open_roles":1435,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Omaha","country":"US"},"technologies":["AutoCAD","Adobe Photoshop","Prolog"],"hiring_countries":["US","CA","GB"],"similarity":null},"competitors":[{"name":"AECOM","url":"https://alion.io/company/aecom","domain":"aecom.com","open_roles":3803,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Dallas","country":"US"},"technologies":["AutoCAD","Power BI","Python"],"hiring_countries":["US","GB","AU"],"similarity":{"score":23.25,"shared_segments":["Architecture","Engineering Services","Civil & Structural Engineering"],"shared_technologies":["Python","JavaScript","SQL","C#","Prolog"],"same_hq_country":true}},{"name":"STV","url":"https://alion.io/company/stvinc","domain":"stvinc.com","open_roles":323,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"New York","country":"US"},"technologies":["AutoCAD","Power BI","Microsoft Excel"],"hiring_countries":["US","GB"],"similarity":{"score":23.1,"shared_segments":["Engineering Services","Architecture","Civil & Structural Engineering"],"shared_technologies":["Python","JavaScript","SQL","C#","Prolog"],"same_hq_country":true}},{"name":"GHD","url":"https://alion.io/company/ghd-com","domain":"ghd.com","open_roles":430,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Sydney","country":"AU"},"technologies":["AutoCAD","Python","Azure"],"hiring_countries":["US","CA","AU"],"similarity":{"score":22.55,"shared_segments":["Construction","Engineering Services","Architecture"],"shared_technologies":["Python","JavaScript","SQL","C#","Snowflake"],"same_hq_country":false}},{"name":"Ramboll","url":"https://alion.io/company/ramboll","domain":"ramboll.com","open_roles":565,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Copenhagen","country":"DK"},"technologies":["AutoCAD","Python","Power BI"],"hiring_countries":["DE","US","GB"],"similarity":{"score":20.65,"shared_segments":["Engineering Services","Architecture","Civil & Structural Engineering"],"shared_technologies":["Python","JavaScript","SQL","C#","Copilot"],"same_hq_country":false}},{"name":"Woolpert","url":"https://alion.io/company/woolpert","domain":"woolpert.com","open_roles":96,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"Dayton","country":"US"},"technologies":["AutoCAD","Path Planning","Python"],"hiring_countries":["US","AU","ZA"],"similarity":{"score":20.5,"shared_segments":["Civil & Structural Engineering","Architecture","Engineering Services"],"shared_technologies":["Python","JavaScript","SQL","C#","Tableau"],"same_hq_country":true}},{"name":"Michael Baker International","url":"https://alion.io/company/mbakerintl","domain":"mbakerintl.com","open_roles":214,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"Pittsburgh","country":"US"},"technologies":["AutoCAD","Microsoft Excel","Multimodal AI"],"hiring_countries":["US","PA"],"similarity":{"score":20.3,"shared_segments":["Engineering Services","Civil & Structural Engineering","Architecture"],"shared_technologies":["Python","JavaScript","C#","Tableau","Adobe Photoshop"],"same_hq_country":true}},{"name":"Larsen & Toubro","url":"https://alion.io/company/larsentoubro","domain":"larsentoubro.com","open_roles":354,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Mumbai","country":"IN"},"technologies":["Python","CAPA","AutoCAD"],"hiring_countries":["IN","AE","UZ"],"similarity":{"score":19.85,"shared_segments":["Civil & Structural Engineering","Construction","Engineering Services"],"shared_technologies":["Python","JavaScript","SQL","C#","Tableau"],"same_hq_country":false}},{"name":"SJ Group","url":"https://alion.io/company/sjgroup","domain":"sjgroup.com","open_roles":169,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":null,"country":"SG"},"technologies":["AutoCAD","Microsoft Excel","Power BI"],"hiring_countries":["SG","PH","IN"],"similarity":{"score":19.65,"shared_segments":["Civil & Structural Engineering","Engineering Services","Architecture"],"shared_technologies":["Python","JavaScript","SQL","C#","Copilot"],"same_hq_country":false}},{"name":"Parsons","url":"https://alion.io/company/parsons","domain":"parsons.com","open_roles":1384,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Chantilly","country":"US"},"technologies":["AutoCAD","Python","Linux"],"hiring_countries":["US","AE","SA"],"similarity":{"score":19.58,"shared_segments":["Engineering Services","Civil & Structural Engineering"],"shared_technologies":["Python","JavaScript","SQL","C#","Prolog"],"same_hq_country":true}},{"name":"LaBella Associates","url":"https://alion.io/company/labella-associates","domain":"labellapc.com","open_roles":201,"open_roles_change":{"since":"2026-10-12","from":207,"to":201,"pct":-3},"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"Rochester","country":"US"},"technologies":["AutoCAD","Microsoft Excel","VMWare"],"hiring_countries":["US"],"similarity":{"score":19.3,"shared_segments":["Engineering Services","Architecture","Civil & Structural Engineering"],"shared_technologies":["Python","JavaScript","SQL","C#","Power BI"],"same_hq_country":true}}],"method":"Ranked by Alion's similar-companies engine (the MCP tool similar_companies): shared industry segments and the overlap of the two segment sets, technologies named in both companies' job postings, the same headquarters country, a size band near it. Open roles are the visible postings on Alion today; their change is shown only for boards that state posting dates.","html_url":"https://alion.io/company/hdrinc/competitors","json_url":"https://alion.io/company/hdrinc/competitors.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-11-12T23:33:32Z","generated_at":"2026-11-15T05:10:13Z"}}