WORLDWIDE SUPPLIER & MANUFACTURER OF Grab Bars, Washroom Accessories and Railing Systems. TSM was founded in Los Angeles in 1966. The company has grown steadily to its current position as one of the leaders of the grab bar and washroom accessory industry through its reputation for reliability, quality, value and service. Also, true to its name, Tubular Specialties Manufacturing prides itself on fabricating custom jobs with expertise and craftsmanship, projects that range from modified grab bars to providing railing for several stations of the Los Angeles Metro Subway System.