{"company":{"id":684473,"name":"Rocket Lab","domain":"rocketlab.com","url":"https://alion.io/company/rocketlab"},"answer":"As of Nov 12, 2026, Alion lists 10 companies most like Rocket Lab: SpaceX, Beyond Gravity, Rocket Lab, Blue Origin, United Launch Alliance, Stoke Space, Firefly Aerospace, K2 Space, AST SpaceMobile and ISISPACE.","highlights":["Rocket Lab itself has 502 open roles on Alion.","Of them, SpaceX is hiring the most, with 2,665 open roles.","Blue Origin has raised the most venture funding on record: $10B.","Open roles at SpaceX rose the most: from 2,413 on Oct 12, 2026 to 2,665 now."],"as_of":"2026-11-12","cite":"Alion, \"Rocket Lab competitors and alternatives: 10 similar companies compared on hiring and funding\", as of Nov 12, 2026. https://alion.io/company/rocketlab/competitors","indexable":true,"target":{"name":"Rocket Lab","url":"https://alion.io/company/rocketlab","domain":"rocketlab.com","open_roles":502,"open_roles_change":{"since":"2026-10-12","from":516,"to":502,"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":"Long Beach","country":"US"},"technologies":["Python","MATLAB","C++"],"hiring_countries":["US","NZ","CA"],"similarity":null},"competitors":[{"name":"SpaceX","url":"https://alion.io/company/spacex","domain":"spacex.com","open_roles":2665,"open_roles_change":{"since":"2026-10-12","from":2413,"to":2665,"pct":10},"funding":{"total_raised_usd":3650000000,"last_round":"venture","last_round_usd":750000000,"last_round_date":"2022-12-31","lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Starbase","country":"US"},"technologies":["Python","SQL","C++"],"hiring_countries":["US"],"similarity":{"score":21.27,"shared_segments":["Launch Services","Satellite Manufacturing"],"shared_technologies":["Python","JavaScript","Rust","SQL","C++"],"same_hq_country":true}},{"name":"Beyond Gravity","url":"https://alion.io/company/beyondgravity","domain":"beyondgravity.com","open_roles":32,"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":"Decatur","country":"US"},"technologies":["ECSS","AS9100","CAPA"],"hiring_countries":["CH","AT","SE"],"similarity":{"score":18.55,"shared_segments":["Launch Services","Satellite Manufacturing"],"shared_technologies":["Python","Rust","C++","MATLAB","Azure"],"same_hq_country":true}},{"name":"Rocket Lab","url":"https://alion.io/company/rocket-lab","domain":"rocketlabcorp.com","open_roles":4,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":null,"headquarters":{"city":"Long Beach","country":"US"},"technologies":["AppsFlyer SDK","Adjust","SQL"],"hiring_countries":["AR","BR","ES"],"similarity":{"score":17.45,"shared_segments":["Launch Services","Satellite Manufacturing"],"shared_technologies":["Python","JavaScript","SQL","Git","AWS"],"same_hq_country":true}},{"name":"Blue Origin","url":"https://alion.io/company/blueorigin","domain":"blueorigin.com","open_roles":1649,"open_roles_change":null,"funding":{"total_raised_usd":10000000000,"last_round":"venture","last_round_usd":10000000000,"last_round_date":"2026-09-25","lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Kent","country":"US"},"technologies":["Python","MATLAB","C++"],"hiring_countries":["US","PL","AU"],"similarity":{"score":17.33,"shared_segments":["Launch Services"],"shared_technologies":["Python","JavaScript","Rust","SQL","C++"],"same_hq_country":true}},{"name":"United Launch Alliance","url":"https://alion.io/company/ulalaunch","domain":"ulalaunch.com","open_roles":111,"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":"Centennial","country":"US"},"technologies":["Python","Linux","MATLAB"],"hiring_countries":["US"],"similarity":{"score":16.75,"shared_segments":["Launch Services"],"shared_technologies":["Python","JavaScript","C++","MATLAB","SolidWorks"],"same_hq_country":true}},{"name":"Stoke Space","url":"https://alion.io/company/stokespace","domain":"stokespace.com","open_roles":57,"open_roles_change":{"since":"2026-10-12","from":52,"to":57,"pct":10},"funding":{"total_raised_usd":813941506,"last_round":"venture","last_round_usd":409999965,"last_round_date":"2025-09-23","lead_investors":[]},"size_band":"501-1000","headquarters":{"city":"Kent","country":"US"},"technologies":["Python","AWS","CI/CD"],"hiring_countries":["US"],"similarity":{"score":15.9,"shared_segments":["Launch Services"],"shared_technologies":["Python","JavaScript","Rust","SQL","C++"],"same_hq_country":true}},{"name":"Firefly Aerospace","url":"https://alion.io/company/firefly-aerospace-com","domain":"fireflyspace.com","open_roles":129,"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":"Cedar Park","country":"US"},"technologies":["Python","AS9100","GD&T"],"hiring_countries":["US"],"similarity":{"score":15.8,"shared_segments":["Launch Services"],"shared_technologies":["Python","JavaScript","SQL","C++","MATLAB"],"same_hq_country":true}},{"name":"K2 Space","url":"https://alion.io/company/k2-space","domain":"k2space.com","open_roles":203,"open_roles_change":{"since":"2026-10-12","from":197,"to":203,"pct":3},"funding":{"total_raised_usd":508528471,"last_round":"series_d","last_round_usd":500000000,"last_round_date":"2026-07-30","lead_investors":[]},"size_band":"501-1000","headquarters":{"city":"Torrance","country":"US"},"technologies":["Python","C++","Rust"],"hiring_countries":["US"],"similarity":{"score":15.6,"shared_segments":["Satellite Manufacturing"],"shared_technologies":["Python","JavaScript","Rust","SQL","C++"],"same_hq_country":true}},{"name":"AST SpaceMobile","url":"https://alion.io/company/ast-science","domain":"ast-science.com","open_roles":243,"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":"Midland","country":"US"},"technologies":["Python","MATLAB","Git"],"hiring_countries":["US","ES","IN"],"similarity":{"score":15.45,"shared_segments":["Satellite Manufacturing"],"shared_technologies":["Python","JavaScript","Rust","SQL","C++"],"same_hq_country":true}},{"name":"ISISPACE","url":"https://alion.io/company/isispace","domain":"isispace.nl","open_roles":23,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":null,"headquarters":{"city":"Delft","country":"NL"},"technologies":["Python","ECSS","C++"],"hiring_countries":["NL"],"similarity":{"score":15.45,"shared_segments":["Launch Services","Satellite Manufacturing"],"shared_technologies":["Python","C++","MATLAB","CI/CD","Git"],"same_hq_country":false}}],"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/rocketlab/competitors","json_url":"https://alion.io/company/rocketlab/competitors.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-11-12T23:33:32Z","generated_at":"2026-11-13T08:29:53Z"}}