Tarmac Group business was acquired by Anglo American later that year. In 2010, the group was separated into Tarmac Limited and Tarmac Building Products. Anglo American merged Tarmac Limited with the United Kingdom assets of Lafarge in 2013 to form a 50:50 joint venture, Lafarge Tarmac (now Tarmac Holdings). Tarmac Building Products was subsequently sold to Lafarge Tarmac in 2014. The company was originally formed by Edgar Purnell Hooley as the Tar Macadam (Purnell Hooley's Patent) Syndicate Limited in 1903. The distinguishing feature of the new process was that it "tarred" cheap blast furnace slag, a steelworks by-product, rather than expensive roadstone
The Bobby Fuller Four showed particular interest in the group. While he saw potential, he didn't think the band had hit material yet. Fuller and his band returned to El Paso and continued to release regional hits, the most popular being "I Fought the Law," originally by the Crickets. By the end of 1964, Fuller saw branching out to a major label as their only option, thus Bobby Fuller, Randy Fuller, and Jim Reese prepared to move to California to revisit Del-Fi Records. Current drummer Dalton Powell could not make the move due to family commitments, and was replaced by another drummer, DeWayne Quirico,