Some jobs require special safety boots be worn. Several vegan companies offer a variety of vegan work boots.
Ethical Wares in the United Kingdom sells a safety boot as well as a chainsaw boot. See: https://www.ethicalwares.com/footwear/safety-footwear/
Nice shoes out of Canada sells safety shoes and boots. See: https://niceshoes.ca/catalog/unisex-footwear/csa-safety-shoes
Vegetarian Shoes in the United Kingdom sells a safety boot with a steel toe. See: https://www.vegetarian-shoes.co.uk/unisex/airseal_safety_boot_mk2_black/14716_p.html
The Vegetarian Site in the USA sells women’s and men’s steel-toe safety boots made in the United Kingdom. See: https://www.thevegetariansite.com/cgi-bin/miva?Merchant2/merchant.mv+Screen=CTGY&Store_Code=S&Category_Code=safety