I need a list of jobs per category

General information for the business: The site i am working on is for the heavier industries.
Description of support work: I am looking for a a list of job-titles within all of the following categories. The website I am working on is for the heavy duty industries for selling items like a classified system. But the owner wants an employment section on the site as well.

- Agricultural
- Diesel Engines
- Forestry
- Generators / PowerPacks
- Industrial / Plant / Construction
- Lease & Rental
- Marine Surplus
- Mining
- Railway / Engineering
- Trailers
- Trucks
- Spare Parts (New and Used)
- Security / Working Dogs

All the job titles can be like "Information Technology" as one main heading, instead of Database manger, Server admin, etc.
Just summarise the jobs in one title please.

I would like to have all categories in a separate file, in Excel or CSV format.
Extra notes: Please make sure that the spelling has been checked and it is in the British English language.