- LONGWALL FOR THE LONG HAUL Corporate USA---P.O. BOX 1488 - 212 Kendall Avenue - Chilhowie, Virginia 24319-1488 Corporate phone: (276) 646-2004 - fax: (276) 646-3999 Field USA: UT 1-435-637-2898, OH 1-740-391-1935, AL 1-276-780-1944 Corporate Australia--- P.O. Box 5918 - Mackay Mail Center 4741 QLD 55-57 Southgate Dr. Mackay 4740 QLD Corporate phone: (07) 4952 3844 - fax: (07) 4952 1788 Field ...www.longwall.com