Apollo Masters manufactures a range of master lacquer discs in various sizes. Operational since 1936, the company provides small- and large-hole discs under the Reference-Lites brand. Apollo Masters offers sleeves under the DiscProtect brand for the protection of audio discs. The company also provides audio lacquer dubs in a variety of sizes. Apollo Masters distributes cutting stylus from Adamant throughout the world. The company offers online order placement and shipping services. In addition, Apollo Masters provides cutting engineering and mastering services. The company is a division of G C International. Apollo Masters products are distributed throughout Europe by Transco Blanx.