{"company":{"id":2530442,"name":"Filtration Group","domain":"filtrationgroup.com","url":"https://alion.io/company/filtrationgroup-com"},"section":"offices","answer":"Filtration Group has 17 sites in 2 countries; 16 sites have open roles now. The busiest is Buffalo. The head office is in Oak Brook.","figures":[{"label":"Sites","value":"17"},{"label":"Countries","value":"2"},{"label":"Hiring offices","value":"16"},{"label":"Open roles","value":"32"}],"blocks":[{"key":"sites","title":"Every site","source":"office addresses in postings and company registers","rows":17},{"key":"past","title":"Sites no longer seen","source":"","rows":4}],"sites":[{"site":"Oak Brook","country":"United States","type":"Headquarters","open_roles":"0","roles_90_days":"0","hires_most_for":"","engineering_share":"","seen_since":""},{"site":"Buffalo","country":"United States","type":"Plant / site","open_roles":"6","roles_90_days":"8","hires_most_for":"Industrial Engineering, Field & Service, Marketing","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Des Plaines","country":"United States","type":"Plant / site","open_roles":"3","roles_90_days":"6","hires_most_for":"Field & Service, HR","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Brookville","country":"United States","type":"Corporate office","open_roles":"3","roles_90_days":"6","hires_most_for":"Administrative, Management, Field & Service","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Chicopee","country":"United States","type":"Plant / site","open_roles":"3","roles_90_days":"3","hires_most_for":"Field & Service, Customer Success","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Kenosha","country":"United States","type":"Not classified","open_roles":"2","roles_90_days":"3","hires_most_for":"Field & Service","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Sauget","country":"United States","type":"Not classified","open_roles":"2","roles_90_days":"3","hires_most_for":"Finance, Field & Service","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Santa Rosa","country":"United States","type":"Not classified","open_roles":"2","roles_90_days":"2","hires_most_for":"Operations, Field & Service","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Louisville","country":"United States","type":"Not classified","open_roles":"2","roles_90_days":"2","hires_most_for":"Field & Service, Industrial Engineering","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Minneapolis","country":"United States","type":"Plant / site","open_roles":"2","roles_90_days":"2","hires_most_for":"Finance, Industrial Engineering","engineering_share":"0%","seen_since":"Nov 2026"},{"site":"Fairburn","country":"United States","type":"Not classified","open_roles":"1","roles_90_days":"6","hires_most_for":"Industrial Engineering","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Breckenridge","country":"United States","type":"Not classified","open_roles":"1","roles_90_days":"4","hires_most_for":"Field & Service","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Doraville","country":"United States","type":"Not classified","open_roles":"1","roles_90_days":"2","hires_most_for":"Field & Service","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Orlando","country":"United States","type":"Not classified","open_roles":"1","roles_90_days":"1","hires_most_for":"HR","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Colonial Heights","country":"United States","type":"Not classified","open_roles":"1","roles_90_days":"1","hires_most_for":"Industrial Engineering","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"San Luis Potosí","country":"Mexico","type":"Not classified","open_roles":"1","roles_90_days":"1","hires_most_for":"Administrative","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Union","country":"United States","type":"Not classified","open_roles":"1","roles_90_days":"1","hires_most_for":"Field & Service","engineering_share":"0%","seen_since":"Nov 2026"}],"past":[{"name":"Joliet","detail":"United States · Not classified","value":"last seen Oct 2026"},{"name":"Cedar Rapids","detail":"United States · Not classified","value":"last seen Oct 2026"},{"name":"Fort Worth","detail":"United States · Not classified","value":"last seen Oct 2026"},{"name":"Pleasant Prairie","detail":"United States · Not classified","value":"last seen Oct 2026"}],"as_of":"2026-11-14","cite":"Filtration Group, Offices. Alion, Nov 14, 2026. https://alion.io/company/filtrationgroup-com/offices","html_url":"https://alion.io/company/filtrationgroup-com/offices","json_url":"https://alion.io/company/filtrationgroup-com/offices.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","generated_at":"2026-11-14T06:28:16Z"}}