The automotive parts manufacturing industry in Colorado is integral to vehicle production and repair. It features companies focused on creating components ranging from high-performance parts to essential systems for OEMs and aftermarket suppliers. Companies engage in everything from metal fabrication to electronic part manufacturing, with many now emphasizing sustainability and innovative materials. A notable shift in the industry includes a push towards lightweight materials and electric vehicle components, driven by evolving regulations and consumer preferences. This evolution looks promising, as manufacturers adapt to meet the future demands of an increasingly eco-conscious automotive market.

This list features 22 notable automotive parts manufacturing companies located throughout Colorado. The firms vary widely in size, from small businesses to large corporations, and were founded between 1910 and 2014. Specializations include manufacturing technical ceramics, customizing rear axles, and producing high-performance lubricants. Headquarters locations span cities like Loveland, Denver, and Louisville. This dynamic mix showcases the state's commitment to innovation within the automotive sector, as each company contributes unique products and specialized services to meet industry needs.

Continue reading to learn about top automotive parts manufacturers in Colorado.

Top 22 Automotive Parts Manufacturing Companies in Colorado

1. ABC Manufacturing Inc

• Website: abcgroupinc.com
• Ownership type: Private
• Headquarters: Loveland, Colorado, United States (USA)
• Employee distribution: Mexico 100%
• Founded year: 1974
• Headcount: 1-10
• LinkedIn: abc-manufacturing-inc

ABC Manufacturing Inc, operating under the name ABC Technologies, is an automotive parts manufacturer based in Loveland, Colorado. Established in 1974, the company has carved out a niche in the production of various automotive systems and components. They serve major original equipment manufacturers (OEMs) in the automotive industry, providing innovative solutions that enhance vehicle performance and efficiency. ABC Technologies is recognized for its commitment to product innovation, holding hundreds of patents related to materials technology and processing systems. Their product lineup includes interior systems like floor consoles and door trim panels, exterior systems such as bumper systems and body side moldings, HVAC distribution systems, air induction systems, fluid management systems, and flexible products. The company emphasizes advanced manufacturing techniques and has a global presence, with a significant employee distribution in Mexico. Their focus on quality and performance makes them a notable player in the automotive parts sector.

2. Wheel Pros

• Website: wheelpros.com
• Ownership type: Corporate
• Headquarters: Greenwood, Colorado, United States (USA)
• Employee distribution: United States (USA) 91%, Canada 4%, Australia 3%, Other 2%
• Latest funding: September 2021
• Founded year: 1995
• Headcount: 1001-5000
• LinkedIn: wheel-pros

Wheel Pros, based in Greenwood, Colorado, is an automotive parts supplier that specializes in wheels, tires, suspension systems, and accessories. Established in 1995, the company has built a strong presence in the automotive sector, catering to both consumers and businesses. Wheel Pros offers a wide array of products designed to enhance vehicle performance and aesthetics. Their extensive product lineup includes well-known brands such as American Racing, KMC Wheels, and Fuel Off-Road, among others. The company operates through a network of dealers and provides online purchasing options, making their products accessible to a broad audience. With a workforce of over 500 employees, Wheel Pros continues to be a significant player in the automotive parts industry, focusing on innovation and customer satisfaction.

3. CoorsTek, Inc.

• Website: coorstek.com
• Ownership type: Family Owned
• Headquarters: Golden, Colorado, United States (USA)
• Employee distribution: United States (USA) 81%, Netherlands 7%, United Kingdom (UK) 3%, Other 9%
• Latest funding: Other (Grant), $4.6M, March 2024
• Founded year: 1910
• Headcount: 5001-10000
• LinkedIn: coorstek

CoorsTek, Inc., founded in 1910 and based in Golden, Colorado, is a family-owned manufacturer of technical ceramics. The company serves multiple industries, including aerospace, automotive, and medical, with a strong emphasis on high-performance materials. In the automotive sector, CoorsTek provides essential components such as automotive electronics, chassis parts, powertrain elements, and emission sensors. They are also involved in the development of technologies for electric vehicles, highlighting their adaptability to industry trends. With a workforce of over 1,800 employees, CoorsTek is committed to innovation and quality, ensuring that their products meet the specific needs of their business customers. Recently, they secured a grant of $4,580,000 in March 2024, which may further enhance their capabilities and offerings in the automotive market.

4. Mark Williams Enterprises, Inc.

• Website: markwilliams.com
• Ownership type: Private
• Headquarters: Louisville, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1964
• Headcount: 11-50
• LinkedIn: mark-williams-enterprises-inc-

Mark Williams Enterprises, Inc., founded in 1964 and based in Louisville, Colorado, is a private automotive parts manufacturer that specializes in high-performance components tailored for racing and custom vehicles. The company offers a wide array of products, including axles, driveshafts, brakes, and chassis components, which are designed to meet the rigorous demands of motorsports. Their commitment to quality is underscored by their in-house engineering and manufacturing processes, ensuring that each product is crafted to enhance performance and reliability. Mark Williams Enterprises serves both individual consumers and businesses within the automotive industry, making them a notable player in the high-performance automotive parts market. Their focus on customer satisfaction and product innovation has allowed them to maintain relevance in a competitive industry.

5. Moser Engineering

• Website: moserengineering.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1986
• Headcount: 11-50
• LinkedIn: moser-engineering

Moser Engineering, based in Denver, Colorado, is an automotive parts manufacturer that has been operational since 1986. The company specializes in custom rear ends and axles, providing high-performance components tailored for automotive enthusiasts and racers. Moser Engineering prides itself on delivering quality products that meet the demands of serious racers, ensuring reliability and performance. They maintain an online store where customers can purchase a variety of automotive parts directly, enhancing accessibility to their offerings. Moser Engineering is also involved in various contingency programs, supporting racers in events organized by NHRA, IHRA, and NMCA/NMRA. This involvement not only highlights their commitment to the racing community but also positions them as a relevant entity in the automotive parts manufacturing industry.

6. ATS Diesel

• Website: atsdiesel.com
• Ownership type: Private
• Headquarters: Arvada, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1993
• Headcount: 11-50
• LinkedIn: ats-diesel

ATS Diesel Performance, founded in 1993 and based in Arvada, Colorado, is a private company that specializes in automotive performance products for diesel vehicles. With a workforce of around 32 employees, ATS Diesel focuses on enhancing the performance and reliability of diesel trucks through a wide range of products. Their offerings include high-performance transmissions, torque converters, and turbochargers, which are designed to meet the needs of both individual truck enthusiasts and businesses that rely on heavy-duty vehicles. The company has developed a reputation for innovation in the diesel performance sector, with products that are engineered to address common OEM transmission issues and improve overall vehicle performance. ATS Diesel's commitment to quality is reflected in their extensive warranty offerings, which are among the best in the industry. Their products are utilized in various applications, from daily driving to competitive racing, demonstrating their versatility and appeal in the automotive market.

7. Specialty Products

• Website: spcalignment.com
• Ownership type: Corporate
• Headquarters: Longmont, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: January 2023
• Founded year: 1972
• Headcount: 51-200
• LinkedIn: specialty-products_2

Specialty Products Company, based in Longmont, Colorado, has been a significant player in the automotive parts manufacturing industry since its founding in 1972. The company specializes in manufacturing and supplying automotive alignment parts and tools, catering primarily to automotive repair shops and mechanics. Their product range includes performance parts, heavy-duty alignment tools, and suspension components, all designed to enhance vehicle maintenance and repair. Specialty Products is recognized for its commitment to quality, being registered as an IATF 16949 company, which underscores their adherence to high manufacturing standards. The company also invests in training programs for installers, ensuring that their customers are well-equipped to utilize their products effectively. With a workforce of around 82 employees, Specialty Products continues to innovate and provide essential solutions for the automotive aftermarket.

8. One Stop Parts Source

• Website: onesps.com
• Ownership type: Family Owned
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1989
• Headcount: 51-200
• LinkedIn: one-stop-parts-source

One Stop Parts Source, a division of Factory Motor Parts, is an automotive parts distributor based in Denver, Colorado. Founded in 1989, the company has established itself as a reliable source for aftermarket automotive parts and services. They cater primarily to independent service centers, car and truck dealerships, fleets, and wholesale distributors. Their product offerings include a wide range of automotive components, and they provide various services such as battery programs, fleet supply chain solutions, and a customer self-service portal. This focus on service and support highlights their commitment to meeting the unique needs of their customers. The company operates entirely within the United States and has a workforce of approximately 55 employees, reflecting a family-owned business model that emphasizes personal service and community involvement.

9. Bestop, Inc.

• Website: bestop.com
• Ownership type: Private Equity
• Headquarters: Louisville, Colorado, United States (USA)
• Employee distribution: United States (USA) 51%, Mexico 49%
• Latest funding: August 2015
• Founded year: 1954
• Headcount: 501-1000
• LinkedIn: bestop-inc

Bestop, Inc. is a private equity-owned company based in Louisville, Colorado, specializing in the manufacturing and retail of automotive accessories. Established in 1954, Bestop has carved out a niche in the market, particularly focusing on products for Jeep and Bronco vehicles. Their offerings include premium soft tops, seating solutions, and a variety of accessories designed to enhance vehicle performance and aesthetics. Bestop operates primarily through online sales and a network of dealers, ensuring accessibility for consumers. The company employs around 271 people, with a significant portion of its workforce located in Mexico. Bestop's commitment to quality and innovation has allowed it to remain relevant in the automotive accessories industry for over seven decades.

10. Golden Aluminum

• Website: goldenaluminum.com
• Ownership type: Private
• Headquarters: Fort Lupton, Colorado, United States (USA)
• Employee distribution: United States (USA) 96%, China 4%
• Founded year: 1982
• Headcount: 51-200
• LinkedIn: golden-aluminum

Golden Aluminum, founded in 1982 and based in Fort Lupton, Colorado, is a private aluminum manufacturer that specializes in sustainable aluminum products across various industries, including automotive, packaging, and building products. The company has developed proprietary casting technology that allows them to produce high-quality aluminum solutions with a strong emphasis on recycling and energy efficiency. In the automotive sector, Golden Aluminum manufactures essential components such as heat shields, window rails, and parts for electric vehicle batteries, catering to the growing demand for lightweight and eco-friendly materials. Their commitment to sustainability is evident in their production processes, which incorporate a significant percentage of recycled content. With a workforce of around 140 employees, Golden Aluminum continues to innovate and adapt to the evolving needs of the automotive industry.

11. Colorado Petroleum Products Company

• Website: colopetro.com
• Ownership type: Family Owned
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1927
• Headcount: 51-200
• LinkedIn: colorado-petroleum

Colorado Petroleum Products Company, established in 1927 and family-owned since 1971, operates out of Denver, Colorado, with additional facilities in Arizona. The company is a manufacturer of high-quality lubricants, focusing on automotive applications. They blend, package, and distribute a range of products, including motor oils, antifreeze, and specialty lubricants under their Rugged and Silver State brands. Their products cater to various sectors within the automotive industry, such as quick lube services and heavy-duty repair facilities. Colorado Petroleum is also ISO 9001:2015 certified, which underscores their commitment to quality management and customer satisfaction. The company actively seeks partnerships and distributorships, aiming to expand its reach in the global market while maintaining a strong focus on product quality and service.

12. Garmat USA

• Website: garmat.com
• Ownership type: Private
• Headquarters: Englewood, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1988
• Headcount: 51-200
• LinkedIn: garmat-usa

Garmat USA, founded in 1988 and based in Englewood, Colorado, is a manufacturer that specializes in paint booths and refinishing equipment. The company serves various sectors, including automotive and aviation, by providing products designed to enhance production efficiency and ensure compliance with safety standards. Garmat USA operates through a network of independent distributors, which allows them to offer localized support and service. Their product range includes downdraft paint booths, vehicle prep stations, and mixing rooms, all engineered to meet stringent industry codes and regulations. Garmat USA is committed to innovation, focusing on energy savings and high-efficiency designs that cater to the evolving needs of the automotive repair industry. Their manufacturing facility in Colorado allows for customization and ensures that their equipment meets the latest standards set by national regulatory agencies.

13. Epocs Manufacturing INC.

• Website: epocs.com
• Ownership type: Private
• Headquarters: Longmont, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1977
• Headcount: 11-50
• LinkedIn: epocs-manufacturing-inc.

Epocs Manufacturing INC. is a precision manufacturing company based in Longmont, Colorado, established in 1977. With a workforce of 11 to 50 employees, Epocs focuses on precision sheet metal fabrication and CNC machining, catering to various industries, including automotive. Their service offerings include welding, powder coating, and mechanical assembly, which are integral to the production of automotive parts. The company prides itself on its ability to deliver high-quality components with quick turnaround times, ensuring that clients can meet their production schedules without compromising on quality. Epocs utilizes advanced technology and equipment to maintain high standards in manufacturing, making them a trusted partner for businesses in the automotive sector.

14. James Engineering

• Website: james-engineering.com
• Ownership type: Family Owned
• Headquarters: Broomfield, Colorado, United States (USA)
• Employee distribution: United States (USA) 79%, United Kingdom (UK) 21%
• Founded year: 1987
• Headcount: 11-50
• LinkedIn: jamesengineering

James Engineering, based in Broomfield, Colorado, is a family-owned machinery manufacturer established in 1987. The company specializes in deburring and chamfering machines, which are vital for enhancing the quality of parts in various sectors, particularly automotive and aerospace. With a workforce of around 39 employees, James Engineering has built a reputation for precision machining and engineering services. Their products cater to a global clientele, addressing the specific needs of industries that demand high-quality finishing processes. The company offers a range of services, including machine shop capabilities and custom deburring solutions, showcasing their commitment to meeting the evolving demands of their customers. Their extensive experience and focus on quality make them a notable player in the automotive parts manufacturing sector.

15. Alfred Manufacturing

• Website: alfredmfg.com
• Ownership type: Family Owned
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1948
• Headcount: 51-200
• LinkedIn: alfred-manufacturing

Alfred Manufacturing, based in Denver, Colorado, is a family-owned manufacturing company that has been in operation since 1948. With a workforce of approximately 27 employees, the company specializes in metal stamping, injection molding, precision machining, and assembly services. Alfred Manufacturing caters to various industries, including aerospace and automotive, providing efficient and cost-effective solutions to complex manufacturing challenges. Their facility, spanning 75,000 square feet, allows for streamlined communication and collaboration among teams. The company prides itself on its commitment to quality assurance and continuous improvement, ensuring that they meet the high standards required by their clients. With decades of experience, Alfred Manufacturing has developed a reputation for delivering reliable and innovative manufacturing solutions, particularly in the automotive sector, where they have successfully supplied components that meet stringent industry demands.

16. RUPES USA, Inc.

• Website: rupesusa.com
• Ownership type: Private
• Headquarters: Louisville, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1947
• Headcount: 11-50
• LinkedIn: rupes-usa

RUPES USA, Inc. is a private tool manufacturer and distributor based in Louisville, Colorado, established in 1947. The company specializes in automotive detailing and industrial polishing equipment, offering a comprehensive range of products that cater to both businesses and consumers. Their lineup includes electric polishers, pneumatic polishers, sanding tools, and a variety of accessories designed to meet the specific needs of automotive detailers and industrial users. RUPES USA is committed to providing high-quality solutions for surface finishing, ensuring that their tools enhance the efficiency and effectiveness of automotive care. The company operates solely within the United States, with a workforce of approximately 37 employees, reflecting a focused approach to their market segment.

17. Bolder Industries

• Website: bolderindustries.com
• Ownership type: Private Equity
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 84%, Belgium 5%, Mexico 5%, Other 5%
• Latest funding: February 2025
• Founded year: 2010
• Headcount: 11-50
• LinkedIn: bolder-industries

Bolder Industries, founded in 2010 and based in Boulder, Colorado, is a private equity-backed company that specializes in sustainable materials derived from end-of-life tires. With a workforce of around 58 employees, the company has developed innovative solutions for the rubber, plastics, and petrochemical industries. Their flagship products include BolderBlack, a sustainable carbon black alternative, and BolderOil, a sustainable petrochemical product. BolderBlack is particularly noteworthy as it replaces petroleum-derived carbon black, a common component in automotive parts, with a product made from 100% recycled tires. This not only reduces environmental impact but also meets the growing demand for sustainable materials in the automotive sector. Bolder Industries operates with a commitment to reducing landfill waste, lowering greenhouse gas emissions, and creating local jobs. Their facilities are certified for quality and sustainability, and they have established partnerships with various companies to integrate their products into new applications, including automotive components.

18. CAM2 International, LLC

• Website: cam2international.com
• Ownership type: Private
• Headquarters: Golden, Colorado, United States (USA)
• Employee distribution: Vietnam 50%, United States (USA) 50%
• Founded year: 1982
• Headcount: 51-200
• LinkedIn: cam2-international-llc

CAM2 International, LLC, founded in 1982 and based in Golden, Colorado, specializes in the manufacturing and distribution of engine oils and lubricants. The company offers a comprehensive range of products, including passenger car motor oils, heavy-duty engine oils, automatic transmission fluids, and various specialty lubricants. CAM2 serves a wide array of customers, from automotive repair shops to industrial facilities and individual consumers. Their products are designed to enhance engine performance and extend the lifespan of machinery. With a global distribution network that spans over 88 countries, CAM2 has established a significant presence in the lubricants market. The company operates with a workforce split evenly between the United States and Vietnam, reflecting its international reach and operational capabilities.

19. Elementum 3d

• Website: elementum3d.com
• Ownership type: Venture Capital
• Headquarters: Erie, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $3.0M, August 2023
• Founded year: 2014
• Headcount: 11-50
• LinkedIn: elementum-3d

Elementum 3D, founded in 2014 and based in Erie, Colorado, is a manufacturing company that specializes in advanced metal additive manufacturing and 3D printing technologies. The company provides high-performance metal powders tailored for various industries, including aerospace and automotive. Their innovative approach enhances material properties and production processes, making them a significant player in the additive manufacturing sector. Elementum 3D has recently secured funding of nearly $3 million in August 2023, indicating ongoing growth and investment in their technology. Their work is particularly relevant to the automotive industry, where the demand for lightweight, complex, and efficient parts is on the rise.

20. Capital Reman Exchange

• Website: capitalremanexchange.com
• Ownership type: Private
• Headquarters: Parker, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2014
• Headcount: 11-50
• LinkedIn: capital-reman-exchange

Capital Reman Exchange, founded in 2014 and based in Parker, Colorado, specializes in the remanufacturing of diesel engines and components. With a team of experienced machinists and engine builders, the company operates a state-of-the-art machine shop that allows them to rebuild engines and parts to meet or exceed OEM specifications. They serve a wide range of clients, from individual equipment owners to large fleet operations, providing timely and transparent services. Their offerings include a variety of remanufactured parts such as cylinder heads, camshafts, and crankshafts, as well as complete engine overhaul services. Capital Reman Exchange prides itself on its quality control processes and customer service, ensuring that clients receive reliable products and support. The company has established partnerships with major manufacturers like Caterpillar, Cummins, and Detroit Diesel, further solidifying its position in the industry.

21. Protocast Inc.

• Website: protcast.com
• Ownership type: Private
• Headquarters: Commerce City, Colorado, United States (USA)
• Employee distribution: United States (USA) 88%, Germany 12%
• Founded year: 1995
• Headcount: 11-50
• LinkedIn: protocastinc

Protocast Inc., founded in 1995 and based in Commerce City, Colorado, is a private company that specializes in metal casting and machining services. With a workforce of 11 to 50 employees, Protocast focuses on various casting processes, including precision sand casting, die casting, and investment casting. The company caters to a range of industries, prominently including automotive and aerospace, providing customized solutions to meet specific production needs. Protocast emphasizes quality and efficiency in its operations, ensuring adherence to high manufacturing standards. Their services extend beyond casting to include engineering support, CNC machining, heat treating, and inspection and testing, making them a comprehensive partner for clients in need of metal components. Protocast's commitment to quality is reflected in their ISO 9001:2015 certification and ITAR registration, which enhance their credibility in the competitive manufacturing landscape.

22. Rubadue Wire

• Website: rubadue.com
• Ownership type: Private
• Headquarters: Loveland, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1977
• Headcount: 51-200
• LinkedIn: rubadue-wire-co.-inc.

Rubadue Wire, founded in 1977 and based in Loveland, Colorado, is a private manufacturer specializing in custom electrical wires and cables. The company serves various industries, including automotive and alternative energy, providing high-performance solutions that are critical for reliable operation. Rubadue Wire prides itself on precision and performance, ensuring that their products meet stringent quality standards. As an employee-owned company, they foster a culture of partnership and commitment to customer satisfaction. Their extensive experience in the wire manufacturing sector has positioned them as a trusted supplier for industry leaders, particularly in the automotive field where dependable electrical connections are paramount. Rubadue Wire is ISO 9001 and ISO 14001 certified, reflecting their dedication to quality management and environmental responsibility.

Automotive Parts Manufacturing Insights: Key Companies in Colorado

Company	Headquarter	Size	Founded	Ownership
ABC Manufacturing Inc	Loveland, Colorado, United States (USA)	1-10	1974	Private
Wheel Pros	Greenwood, Colorado, United States (USA)	1001-5000	1995	Corporate
CoorsTek, Inc.	Golden, Colorado, United States (USA)	5001-10000	1910	Family Owned
Mark Williams Enterprises, Inc.	Louisville, Colorado, United States (USA)	11-50	1964	Private
Moser Engineering	Denver, Colorado, United States (USA)	11-50	1986	Private
ATS Diesel	Arvada, Colorado, United States (USA)	11-50	1993	Private
Specialty Products	Longmont, Colorado, United States (USA)	51-200	1972	Corporate
One Stop Parts Source	Denver, Colorado, United States (USA)	51-200	1989	Family Owned
Bestop, Inc.	Louisville, Colorado, United States (USA)	501-1000	1954	Private Equity
Golden Aluminum	Fort Lupton, Colorado, United States (USA)	51-200	1982	Private
Colorado Petroleum Products Company	Denver, Colorado, United States (USA)	51-200	1927	Family Owned
Garmat USA	Englewood, Colorado, United States (USA)	51-200	1988	Private
Epocs Manufacturing INC.	Longmont, Colorado, United States (USA)	11-50	1977	Private
James Engineering	Broomfield, Colorado, United States (USA)	11-50	1987	Family Owned
Alfred Manufacturing	Denver, Colorado, United States (USA)	51-200	1948	Family Owned
RUPES USA, Inc.	Louisville, Colorado, United States (USA)	11-50	1947	Private
Bolder Industries	Boulder, Colorado, United States (USA)	11-50	2010	Private Equity
CAM2 International, LLC	Golden, Colorado, United States (USA)	51-200	1982	Private
Elementum 3d	Erie, Colorado, United States (USA)	11-50	2014	Venture Capital
Capital Reman Exchange	Parker, Colorado, United States (USA)	11-50	2014	Private
Protocast Inc.	Commerce City, Colorado, United States (USA)	11-50	1995	Private
Rubadue Wire	Loveland, Colorado, United States (USA)	51-200	1977	Private

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