Tarmac Group centenary in 1953, Tarmac was processing over two million tons of slag a year, its road surfacing had developed into a significant civil engineering business, and its Vinculum subsidiary "had become one of the major precast concrete undertakings in the country." Under Robin Martin's leadership, Tarmac moved from being an important regional force to a national roadstone and contracting business. Acquisitions played a major role in Tarmac's growth. While leading the roadstone division, Martin had been responsible in 1959 for the acquisition of local competitor Tarslag and Crow Catchpole, which gave it a greater presence in the south east. In
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,