Calvin M. Grimes, Sr., founded Grimes Oil Company in Boston in 1940. Now operated by Calvin M. Grimes, Jr., this 50-year-old business started with one delivery truck, once serviced more than 3,000 residential customers, and now delivers gasoline, fuel oil, diesel fuel, and residual oil to commercial customers only. Grimes Oil is the nation's 25th largest minority-owned business..
