First Calderdale and Huddersfield
- Information about the company's routes, timetables, and ticketing for the area; also includes news and vacancy listing.
- http://www.firstgroup.com/ukbus/yorkhumber/caldhudd/

Penistone Line Partnership
- A voluntary organisation which supports and promotes community involvement along the Huddersfield to Sheffield railway line; includes timetables, history, and information on educational, musical, artistic, and leisure projects.
- http://www.penline.co.uk/