Talk to your boss. Even if outdated they re still your company's property.
Our local animal shelter accepts nearly expired, or clean but unused/unsterile, or clean and otherwise thrown out human materials and puts them to use on animals, using their waste stream to get rid of the no-good stuff. Hard plastic syringe covers are split to become splints, O2 tubing is used to tie things or even as O2 tubing, and a lot of human meds (like insulin, epinephrine) can be used in other species and the doseage is known. If your company throws everything away, suggest they could do that donation, then volunteer with the boss's OK to make that contact with the shelter's veterinarian.
While this could save your company a little money, don't use the shelter as a dumping ground for masses of outdated stuff, keep in touch and see what they are really looking for. If the shelter has a tax deductible status, your company could take a deduction, maybe? And if it is a County facility, many of those have a tax deductible auxiliary (aka ""friends of the ...") to accept such "in-kind" donations.
Our local zoo has three old but useable BVM's and a lab centrifuge without a cover but otherwise useable thanks to you know who, and all done legally and over the counter.