Humanix 15920 E. Indiana Ave., Suite 100 Spokane, WA 99216 509-467-0062 Founded in Spokane in 1986, Humanix is the largest staffing firm in the Inland Northwest. Our commitment to providing the right solution for our clients workforce needs in the time frame and with the ROI they require is what sets us apart from the pack. Could the right staffing fit for your business be a consultant or a contractor? Humanix Consultant Network is comprised of fully screened top Inland Northwest consultants and contractors.