Who? What? Where? people companies that donate to charity?

Im a Volunteer at Stockport Sea Cadets which is a registered charity we run basically only on donations and we dont have any money at the moment we have sent off for grants but no replys also basically there is a bit of damage to our sewage which will cost quite alot to mend we have cadets doing bag packs we are also orgnising a fun day i was wondering if anyone knows what companys will donate to charitys and if anyone is willing too donate this will help us and our contry alot as 90% of our cadets go on to joining the armed forces if they have no where to train or revise or meet then the percentage will go down to about 20% x thanks for any help