My LLC has 2 members that are foreigners, how do I file without SS

Look at this link https://www.irs.gov/individuals/international-taxpayers/helpful-hints-for-partnerships-with-foreign-partners

No, each partner must have a social security or ITIN if wish to issue a k-1 to them. According to this Turbo Tax article, you may enter "Applied For" instead of an identifying number. However, you will not be able to e-file the return; you will need to print, sign, & mail the business return.