There are probably as many industrial first-aid kits as there are workplace hazards. The contents of any industrial kit will vary according to industry or profession. Firefighters and bio-tech workers will require different first-aid items than a librarian or a teacher. All should contain basic bandages, topical treatments, and pain relievers. Industrial first aid kits are sold in sizes according to the number of workers in the company. The emergency first aid kit you select for your workplace will depend on the kind of work that is done and the number of people on the job.