These numbers are all total injury frequency rates per 100 employees or 200k hours (equivalent measures, assuming 50x 40-hour weeks)
Assuming the TC article that cites 4.27 at Starbase is accurate, it's well in excess of anything I'm used to seeing. Have a flick through here for industry-wide equivalents: https://www.bls.gov/web/osh/table-1-industry-rates-national....
Alternatively, here's some of the big players in various engineering, construction, mining, etc. heavy industries, taken directly from their websites/sustainability reports:
ExxonMobil: 0.1-0.2 https://corporate.exxonmobil.com/publications/metrics-and-da...
Chevron: 0.24 (p23) https://www.chevron.com/newsroom/media/publications/corporat...
Glencore: 2.14 (p15) https://www.glencore.com/.rest/api/v1/documents/static/9b103...
Jiangxi Copper: 1.5 (p132, NB: per million hours so /5) https://www1.hkexnews.hk/listedco/listconews/sehk/2025/0327/...
Fluor: 0.31 (p10) https://a.fluor.com/f/1014770/x/1d656014e2/2024-sustainabili...
Jacobs: 0.17 (p61) https://s205.q4cdn.com/384284279/files/doc_downloads/2024/ES...
Union Pacific: 0.9 (p8) https://www.up.com/content/dam/upcom/strategy-sustainability...
PG&E: 1.87 (p45) https://www.pgecorp.com/assets/pgecorp/csr/csr_2025/assets/p...
Baowu: 1.8 (p19, listed per 1000 employees so *10) https://res.baowugroup.com/attach/2025/09/18/4751f22bbb33484...
Parsons: 0.16 (p29) https://www.parsons.com/wp-content/uploads/2025/08/FY24-CARE...
Vale: 1.58 (p66) https://www.vale.com/documents/44618/430705/2025_Annual+Repo...