Most companies will match any full-time employee's contributions to nonprofit organizations (US based 501(c)(3) orgs) up to a certain amount.
Contact your benefits/HR department and ask what your employer's policy is. If your company has an intranet/employee website, most of this information can also be found there.
Yes. You can apply for a corporate match for donations made by you to multiple nonprofit organizations.
Yes. Matching is only limited to a specific amount per employee, not per 501(c)(3) organization.
If they do participate, let them know that you would like for your donation to IRB to be matched. Some companies will contact IRB directly with the necessary paperwork; others may require you to fill out a matching gift form. Once you have found out your company's policy, please contact Colleen Horiuchi at firstname.lastname@example.org with the necessary information and she will help guide you the rest of the way!