{"company":{"id":673241,"name":"Environmental Science Associates","domain":"environmentalscienceassociates.com","url":"https://alion.io/company/environmentalscienceassociates"},"answer":"As of Nov 15, 2026, Alion lists 10 companies most like Environmental Science Associates: SWCA Environmental Consultants, Apex Companies, EHS Support, Kelvin Andrews, EnSafe, True Environmental, GZA, Lynker, Anchor QEA and GreenPath.","highlights":["Environmental Science Associates itself has 21 open roles on Alion.","Of them, Apex Companies is hiring the most, with 153 open roles.","Open roles at EnSafe rose the most: from 35 on Oct 12, 2026 to 37 now."],"as_of":"2026-11-15","cite":"Alion, \"Environmental Science Associates competitors and alternatives: 10 similar companies compared on hiring and funding\", as of Nov 15, 2026. https://alion.io/company/environmentalscienceassociates/competitors","indexable":true,"target":{"name":"Environmental Science Associates","url":"https://alion.io/company/environmentalscienceassociates","domain":"environmentalscienceassociates.com","open_roles":21,"open_roles_change":{"since":"2026-10-12","from":21,"to":21,"pct":0},"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"51-200","headquarters":{"city":"San Francisco","country":"US"},"technologies":["AutoCAD","MATLAB","SIEM"],"hiring_countries":["US"],"similarity":null},"competitors":[{"name":"SWCA Environmental Consultants","url":"https://alion.io/company/swca-environmental-consultants","domain":"swca.com","open_roles":49,"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":"Phoenix","country":"US"},"technologies":["AutoCAD","Python","SQL"],"hiring_countries":["US"],"similarity":{"score":18.25,"shared_segments":["Environmental Science","Engineering Services"],"shared_technologies":["Python","PowerShell","Copilot","Model Context Protocol","Azure"],"same_hq_country":true}},{"name":"Apex Companies","url":"https://alion.io/company/apex-companies","domain":"apexcos.com","open_roles":153,"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":"Rockville","country":"US"},"technologies":["AutoCAD","Microsoft Excel","Time Series"],"hiring_countries":["US","IT","CA"],"similarity":{"score":17.45,"shared_segments":["Environmental Science","Engineering Services"],"shared_technologies":["Python","PowerShell","Copilot","Model Context Protocol","Azure"],"same_hq_country":true}},{"name":"EHS Support","url":"https://alion.io/company/ehs-support","domain":"ehs-support.com","open_roles":15,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"51-200","headquarters":{"city":"Pittsburgh","country":"US"},"technologies":["Microsoft Excel","Power BI","AutoCAD"],"hiring_countries":["US","AU"],"similarity":{"score":16.95,"shared_segments":["Environmental Science","Engineering Services"],"shared_technologies":["Python","AutoCAD","Microsoft Excel"],"same_hq_country":true}},{"name":"Kelvin Andrews","url":"https://alion.io/company/naturaldes","domain":"naturaldes.com","open_roles":3,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"51-200","headquarters":{"city":"Seattle","country":"US"},"technologies":["Microsoft Excel","MATLAB","Visual Basic"],"hiring_countries":["US"],"similarity":{"score":16.95,"shared_segments":["Environmental Science","Engineering Services"],"shared_technologies":["MATLAB","AutoCAD","Microsoft Excel"],"same_hq_country":true}},{"name":"EnSafe","url":"https://alion.io/company/ensafeinc","domain":"ensafeinc.com","open_roles":37,"open_roles_change":{"since":"2026-10-12","from":35,"to":37,"pct":6},"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"201-500","headquarters":{"city":"Memphis","country":"US"},"technologies":["AutoCAD","Azure","Power BI"],"hiring_countries":["US"],"similarity":{"score":16.7,"shared_segments":["Engineering Services","Environmental Science"],"shared_technologies":["Python","PowerShell","Copilot","Azure","AutoCAD"],"same_hq_country":true}},{"name":"True Environmental","url":"https://alion.io/company/trueenvironmental","domain":"trueenvironmental.com","open_roles":47,"open_roles_change":{"since":"2026-10-12","from":48,"to":47,"pct":-2},"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"201-500","headquarters":{"city":"Denver","country":"US"},"technologies":["Python","AutoCAD","AWS"],"hiring_countries":["US","CA","BR"],"similarity":{"score":16.6,"shared_segments":["Environmental Science","Engineering Services"],"shared_technologies":["Python","Azure","LLM","AutoCAD"],"same_hq_country":true}},{"name":"GZA","url":"https://alion.io/company/gza-com","domain":"gza.com","open_roles":41,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"501-1000","headquarters":{"city":"Norwood","country":"US"},"technologies":["AutoCAD","Python","SQL"],"hiring_countries":["US"],"similarity":{"score":16.25,"shared_segments":["Environmental Science","Engineering Services"],"shared_technologies":["Python","Copilot","Azure","AutoCAD","Microsoft Excel"],"same_hq_country":true}},{"name":"Lynker","url":"https://alion.io/company/lynker","domain":"lynker.com","open_roles":29,"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":"Washington","country":"US"},"technologies":["Python","Git","HPC"],"hiring_countries":["US"],"similarity":{"score":16.25,"shared_segments":["Environmental Science","Engineering Services"],"shared_technologies":["Python","MATLAB","Azure","CI/CD","SIEM"],"same_hq_country":true}},{"name":"Anchor QEA","url":"https://alion.io/company/anchorqea","domain":"anchorqea.com","open_roles":19,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"201-500","headquarters":{"city":"Seattle","country":"US"},"technologies":["AutoCAD","Wi-Fi","Power BI"],"hiring_countries":["US"],"similarity":{"score":16.2,"shared_segments":["Environmental Science","Engineering Services"],"shared_technologies":["Python","AutoCAD","Microsoft Excel"],"same_hq_country":true}},{"name":"GreenPath","url":"https://alion.io/company/greenpath-2","domain":"greenpathconsult.com","open_roles":2,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"201-500","headquarters":{"city":"Farmington Hills","country":"US"},"technologies":["Windows","Azure","Azure DevOps"],"hiring_countries":["US"],"similarity":{"score":16.2,"shared_segments":["Environmental Science","Engineering Services"],"shared_technologies":["Copilot","Azure","CI/CD"],"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/environmentalscienceassociates/competitors","json_url":"https://alion.io/company/environmentalscienceassociates/competitors.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-11-15T03:04:16Z","generated_at":"2026-11-15T05:50:58Z"}}