Railmark's principal operating subsidiaries are RAILMARK TRACK WORKS INC., RAILMARK RAIL SERVICES INC., KATAHDIN RAILCAR SERVICES LLC, RAILMARK INDUSTRIAL RAILWAY INC., YREKA WESTERN RAILROAD COMPANY, and TRAIN TRAVEL, INC. Founded in 1998, RAILMARK® provides unique, cost-effective, integrated and environmentally safe rail services, products, and solutions to the North American and international railroad industry, rail transportation users, transit agencies, and governments, that reflects “A NEW TRAIN OF THOUGHT …®”.