Allied Trench Shoring Service provides the finest in underground safety equipment.Public agencies, contractors and utility companies all rely on ATSS equipment. ATSS maintains a large inventory of quality and well-maintained products and equipment. Knowledgeable employee's help you get exactly what you need quickly by utilizing our fleet of 16 modern classic boom trucks. The relationship between Traffic Control Service, Inc. and ATSS means the convenience of satisfying traffic control needs and underground equipment need all in one place!