Mark Williams Enterprises, Inc., founded in 1964 and based in Louisville, Colorado, is a premier manufacturer and wholesaler specializing in high-performance automotive and industrial driveline components. Operating from a 32,000 square foot facility, the company provides comprehensive in-house design, CNC manufacturing, heat treating, and specialized testing services. Recently acquired by Motion Raceworks, the company continues to emphasize "Made in the USA" quality while serving elite clients, including NASCAR.
The company's extensive product portfolio focuses on the automotive racing aftermarket and custom industrial applications. Core offerings include high-strength axles (manufactured from 4340 Chromoly and 300M steel), complete rear-end assemblies, modular rear ends, and specialized brake kits featuring carbon, front, and rear configurations. Their driveline expertise extends to driveshafts (available in steel, aluminum, or carbon fiber), transmission yokes, spools, and differentials. Additionally, they produce a wide range of chassis components, such as anti-roll bars, motor plates, and dragster spindles.
As a versatile manufacturer and OEM provider, Mark Williams Enterprises offers specialized industrial services including spline cutting, broaching, induction hardening, and torsional testing. The company also maintains international trade capabilities, importing precision components from Italy, Taiwan, and Germany to supplement its manufacturing requirements. With over six decades of experience, the firm remains a leader in providing robust, precision-engineered solutions for drag racing, off-road, and custom vehicle builds.
Hi-Torque Superlight 4340 35 Mark Williams Spline Drag Race Axles
Clark Engineering
🇺🇸 United States
19462001-5000 peopleManufacturer
High capacity factory
Established brand
Large enterprise group
OEM manufacturer
Shipments
26
Key customer
BOSTON FREIGHTLINER
Key market
🇺🇸 United States
Description
Clark Engineering is a premier manufacturer of custom engineered components based in Owosso, Michigan. Established in 1946, the company has built a long-standing reputation as a specialist in custom rod, wire form, and tube products. Operating with a workforce of 2,001 to 5,000 employees, the firm serves a diverse range of demanding industries, including automotive, medical, defense, industrial machinery, and construction. Their manufacturing capabilities are extensive, featuring CNC wire forming, cold heading, metal fabrication, pipe and tubing manufacturing, and CNC machining. Specific product expertise includes exhaust hanger assemblies, transmission shift lever shafts, clevis assemblies, and specialized medical components like height adjustment rods and document baskets. Clark Engineering maintains a customer-centric philosophy, supported by an in-house design center, tool room for prototyping, and advanced equipment such as robotic weld cells and multi-slide machines. The company's commitment to quality is demonstrated by its ISO 9001:2015 certification and rigorous internal auditing processes, ensuring high standards for performance and delivery across all custom metalworking projects.