Avis, (800) 352-7900. 3600 Plymouth Rd. (DoubleTree by Hilton) (734) 663-9513. Mon.-Fri. 7 a.m.-6 p.m., Sat. 9 a.m.-1 p.m., Sun. 10 a.m.-1 p.m.; Detroit Metro Airport location (734) 942-3450, open daily 24 hours. avis.com
Budget, (800) 218-7992. 3600 Plymouth Rd. (DoubleTree by Hilton) (734) 994-3419. Mon.-Fri. 7 a.m.-6 p.m., Sat. 9 a.m.-1 p.m., Sun. 10 a.m.-1 p.m.; Detroit Metro Airport location (734) 941-3632, open daily 6-12 a.m. budget.com
Enterprise Rent-a-Car, (855) 266-2989. 801 Airport (Ann Arbor Municipal Airport) (734) 769-1144. Mon.-Fri. 8 a.m.-5:30 p.m., Sat. 9 a.m.-noon; 438 W. Huron (734) 327-2600. Mon.-Fri. 8 a.m.-5 p.m.; 3880 Jackson (734) 930-4900). Mon.-Fri. 8 a.m.-5 p.m., Sat. 9 a.m.-noon; 4555 Washtenaw (734) 971-1221. Mon.-Fri. 8 a.m.-5 p.m., Sat. 9 a.m.-noon; 320 E. Michigan, Ypsilanti (734) 480-0813. Mon.-Fri. 8 a.m.-5:30 p.m., Sat. 9 a.m.-noon.; Detroit Metro Airport location (844) 934-1085. Daily 5:30 a.m.-midnight. enterprise.com
Hertz Rent-a-Car, (800) 654-3131. 3200 Boardwalk (Sheraton Hotel) (734) 761-1176. Mon.-Fri. 8 a.m.-4 p.m.; 4663 Washtenaw (734) 528-9692. Mon.-Fri. 8 a.m.-6 p.m., Sat. 9 a.m.-noon; Detroit Metro Airport location (734) 941-4747, open daily 24 hours. hertz.com
National Car Rental, 801 Airport (Ann Arbor Municipal Airport) (734) 769-8437. Mon.-Fri. 8 a.m.-5:30 p.m., Sat. 9 a.m.-noon; Detroit Metro Airport location: (844) 934-1087, open daily 24 hours. nationalcar.com
