Prometric Testing Center
https://www.prometric.com/en-us/for-test-takers/pages/locate-a-test-center.aspx?Type=locate --locate a test center
(608) 231-6270 -- Prometric Testing Center
(800) 967-1100 -- Toll Free
Monday-Saturday 8 a.m.-5 p.m.
1721 Thierer Rd.
Madison, WI 53704
Prometric Testing administers over 800 standardized tests including GRE, GMAT, PPST, and TOEFFL.
Test-takers should arrive 30 minutes prior to appt. time., and bring 2 forms of ID (both with a signature on them) -- one a valid government ID with a picture.