{"company":{"id":1795053,"name":"Castelion","domain":"castelion.com","url":"https://alion.io/company/castelion"},"answer":"As of Nov 13, 2026, Alion lists 10 companies most like Castelion: Mach Industries, Lockheed Martin, RTX, Hypersonica, Tiberius Aerospace, Saab, Covenant, Cambridge Aerospace, MBDA UK and Saronic Technologies.","highlights":["Castelion itself has 233 open roles on Alion.","Of them, Lockheed Martin is hiring the most, with 4,259 open roles.","Lockheed Martin has raised the most venture funding on record: $1.4B.","Open roles at Saronic Technologies rose the most: from 181 on Oct 12, 2026 to 246 now."],"as_of":"2026-11-13","cite":"Alion, \"Castelion competitors and alternatives: 10 similar companies compared on hiring and funding\", as of Nov 13, 2026. https://alion.io/company/castelion/competitors","indexable":true,"target":{"name":"Castelion","url":"https://alion.io/company/castelion","domain":"castelion.com","open_roles":233,"open_roles_change":null,"funding":{"total_raised_usd":1100000000,"last_round":"series_c","last_round_usd":1000000000,"last_round_date":"2026-08-20","lead_investors":[]},"size_band":"501-1000","headquarters":{"city":"El Segundo","country":"US"},"technologies":["Python","C++","MATLAB"],"hiring_countries":["US"],"similarity":null},"competitors":[{"name":"Mach Industries","url":"https://alion.io/company/machindustries","domain":"machindustries.com","open_roles":182,"open_roles_change":{"since":"2026-10-12","from":143,"to":182,"pct":27},"funding":{"total_raised_usd":784098019,"last_round":"venture","last_round_usd":600000000,"last_round_date":"2026-09-10","lead_investors":[]},"size_band":"201-500","headquarters":{"city":"Huntington 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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/castelion/competitors","json_url":"https://alion.io/company/castelion/competitors.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-11-13T03:07:25Z","generated_at":"2026-11-13T10:35:47Z"}}