Taking Care of the Smaller Rocks So You Can Focus on the Big Rocks!

Engineering and Manufacturing Excellence for OEMs

Guided by Franklin Covey’s “Big Rocks” philosophy, we focus on what matters most to your business. With over 50 years of experience and state-of-the-art facilities in Missouri, we provide specialized engineering, manufacturing, and consulting solutions for OEMs nationwide. Our services include:

  • Engineering Services: CAD, Product Design, New Product Development, Automation Design.
  • Manufacturing Capabilities: Precision Machining, Metal Fabrication, Progressive Stamping, PACCAR Certified Powder Coating.
  • Consulting and Coaching: Custom engineering consulting and strategic business coaching to enhance your operations.

Choose Big Rocks Engineering for integrated solutions that drive success and innovation.

Streamlining Your Path from Concept to Market with Integrated Engineering and Manufacturing

We partner with OEMs and forward-thinking innovators across various industries. Our unique position within a family of specialized sister companies allows us to oversee your product’s entire lifecycle seamlessly—from initial design through to manufacturing. This integration solves the common challenge of disconnect between engineering and production phases.

Whether you’re a small business embarking on new product development or an OEM requiring reverse engineering, we ensure a smooth transition with fewer iterations and enhanced coordination. Our end-to-end solutions bridge the gap, ensuring successful manufacturing outcomes and supporting your growth without the usual setbacks of working with disjointed providers.

Seamless Engineering-Mfg Coordination: Big Rocks Engineering's Expertise

With over 20 years of experience in engineering, we noticed a recurring challenge in the design-to-build project cycle. We teamed up with four manufacturing sister companies to address this, forming an unstoppable force. Our integrated approach ensures seamless collaboration between design and manufacturing, saving you from costly delays. 

With our unwavering commitment to delivering top-notch results, we’re here to revolutionize the industry and bring your engineering dreams to life. Join us on this exciting adventure and let’s create a future where innovation thrives and problems are conquered.

Our Services

Value Added Engineering

We excel in reverse engineering, CAD design, and the creation of comprehensive technical packages (specifications) for your products. Our deep expertise in new product development is underpinned by a commitment to innovation and efficiency. We leverage advanced technologies and industry best practices to deliver customized solutions that not only meet but exceed your engineering needs.

Manufacturing Capabilities

Precision Machining: 4 Axis Milling, 3 Axis Turning, 5 Axis Waterjet. Metal Fabrication: Laser Cutting, Press Brake, MIG and TIG Welding. Stamping: Progressive Stamping up to 350 Ton with In-House Tool and Die Making. Powder Coating: PACCAR Certified, featuring an automated line with quick color changes and a 20-foot batch system.

Coaching & Consulting Services

With our expert consulting and coaching services designed for entrepreneurs seeking complete control over their product lifecycle, from design to sales. We provide crucial support with accountability, milestone tracking, and strategic advice, ensuring you stay on course and optimize your product’s development for successful market entry.

Top Industries We Specialize In

No matter which industry you operate in, Big Rocks Engineering is dedicated to bringing your ideas to life with unwavering professionalism and expertise. We prioritize clear and consistent communication, keeping you informed at every step of the process. Experience our exceptional service and let us be your trusted partner in achieving remarkable results.

Contact us today to discuss how Big Rocks Engineering can contribute to your industry-specific engineering needs. Together, we can drive innovation, overcome challenges, and build a better future.


Industrial Equipment

Heavy Trucking

Flow Control Devices

Our Family of Manufacturers

Located in the heart of Missouri, we're here to effortlessly transform your next project into reality.
A high-quality precision machine shop situated in the St. Louis Metropolitan area that has been in business for over 25 years and focused on customer service.
Founded in 1973, Mack Hils Metal Fabrication is a full-service metal fabrication and precision machining firm serving a diversified and large domestic marketplace.
Looking for high-quality powder coating in Missouri? Our state-of-the-art facility has got you covered with our heavy-duty powder coating track system. Trust us to deliver a durable and flawless finish every time.
As an ISO 9001:2008 certified supplier, we aim to be your single source for Tool & Die, CNC Precision Machining, Wire EDM, Metal Stampings, and more, ensuring quality and timely delivery at competitive prices for any volume
Mack Products has provided the finest quality reproduction parts for antique pickups. All pieces are authentic reproductions, with Mack Products carefully matching all parts to the original material, gauge, form, and finish.


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