Company record
Twinco Mfg. Co. Inc. designs and manufactures both standard and custom products for railroad and transit applications. The portfolio includes impedance bonds, automatic train stops, motors, identification products, vital plug‑in relays, contact blocks, replacement contacts, switch‑heater control cases, constant‑potential rectifiers, transformer rectifiers, terminal blocks, as well as assorted hardware and connectors. In addition, Twinco offers a range of specialized wayside equipment such as third‑rail tap fuse boxes, lamp banks, portable rail clamps, switch‑point lights, transformers, rail‑signal bonds, column clamps, signal‑base assemblies, rail‑connection riser boxes, head‑light and tail‑light assemblies, and LED signage. Manufacturing capabilities cover bending, CNC machining, milling, casting, molding, wire EDM, surface finishing, heat treatment, joining, stamping, and final assembly. The company also provides rapid‑prototyping, 3D printing, and water‑jet cutting services to support design iteration and low‑volume production.
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