Mo 08:00 a.m Tu 08:00 a.m We 07:30 a.m Th 08:00 a.m Fr 08:00 a.m Sa Closed Su Closed Click here for a map. OIS - Online Integrated Solutions https://ngex.com/bd/b/OIS---Online-Integrated-Solutions_3-Houston-Texas-United-States

OIS manages Nigeria BVN, visa and passport services for Nigerians and those travelling to Nigeria.  Offers visa application by mail and walk in enrollment centers for Bank Verification Number (BVN).