mcelroy manufacturing, inc. has grown from a two-person start up in an oklahoma garage, to the industry leader in applied, extruded, and automated ﬁn tube manufacturing equipment. the name mcelroy is recognized worldwide as the most versatile, reliable, rugged and technically advanced equipment in the world.over the past 45 years, mcelroy has offered various different models of ﬁnning equipment. this equipment has evolved from industry needs and trends. our leadership in the industry can be credited to our focus on building efﬁcient and reliable equipment and technical support of that equipment. our legacy in the marketplace continues today with the introduction of our new no.5 combination tube finning machine.