https://lasvegassun.com/news/2018/jun/11/the-most-powerful-conservative-couple-youve-never/
They also support Alberta's UCP, led by Trump fangirl Danielle Smith.
Greg's is Canadian-owned. There are more alternatives at the bottom of https://refuseuline.com/
It would help if you mentioned alternative vendors with similar product lines. Makes it easier to convince people to switch
It really depends on what you are actually buying as they carry a very very large number of products.
One option is grand and toy if you were getting office supplies.