Smith-Boughan delivers custom metal and piping solutions to optimize your facility’s performance.
At Smith-Boughan, we understand the critical role that precise components play in your facility’s efficiency and reliability. Since 1927, we’ve been delivering top-tier fabrication services in Lima and beyond. Our 20,000 square foot state-of-the-art facility and team of certified welders ensure that every component we produce meets the exacting standards your operations demand.
When the unexpected occurs, you can count on Smith-Boughan.
24/7 Emergency Services
Our dedicated team at Smith-Boughan is here to provide you with a 24/7 emergency repair service, ensuring a prompt response and efficient resolution to get your critical mechanical system back on track. You can depend on Smith-Boughan.
Call or Contact Us Today!
“Smith-Boughan has been an invaluable help for us in maintaining the heating and cooling needs of our four buildings. Their responsiveness to our immediate needs has always been above and beyond the call of duty. The technicians who service our buildings have always been of very high quality, courteous and focused on meeting the needs of the job at hand.”
— Paul J. Nardini, Superintendent, Shawnee Local Schools
Comprehensive Metal Fabrication Capabilities
From custom HVAC components to specialized industrial equipment, our metal fabrication services cover all your needs. We employ advanced technologies, including CNC Plasma Cutting, Press Braking, and Roll Forming, to create precision parts from a wide range of materials such as Galvanized Steel, Aluminum, and Stainless Steel. Whether you need custom ductwork, ventilation hoods, or bake ovens, we have the expertise to deliver.

Comprehensive Commercial Solutions
From concept to completion, Smith-Boughan offers expert design/build services for all your commercial projects. Our integrated approach ensures seamless execution of building automation, plumbing, HVAC, and process systems, delivering mission-critical facilities on time and on budget.
Cutting-Edge Piping Fabrication
Our piping fabrication services are designed to meet the complex needs of modern industrial facilities. Using semi-automatic welding machines, we can produce high-quality piping components up to three times faster than traditional methods. We’re proud to be the only provider in west-central Ohio offering thermal spray coating for enhanced durability. From carbon steel to Hastelloy, we work with a diverse range of materials to suit your specific requirements.

Your Partner in Facility Optimization
At Smith-Boughan, we’re more than just fabricators. We’re your partners in optimizing facility performance. Our team works closely with you to understand your unique challenges and goals, delivering tailored solutions that drive efficiency, reduce downtime, and support your long-term success.
Industries We Serve
Smith-Boughan serves customers across a wide range of industries who have complex mechanical systems and critical repair and maintenance needs, from educational institutions to government organizations to hospitals.
- Hospitals and Medical Centers
- Schools & Universities
- Industrial Facilities and Plants
- Government and Defense Installations
- Major Hotels and Resorts
- Commercial
- Multi-Family Housing
Preventative Maintenance
for Peace of Mind
Smith-Boughan offers several kinds of agreements to fit your business’s unique needs. All our services performed under our maintenance contracts are in accordance with all applicable codes and regulations and the highest trade standards.
- Full Coverage Agreement. We offer a full coverage service agreement program that provides you with an ultimate level of protection. Smith-Boughan Mechanical provides 24/7 emergency services at no additional cost. As the most cost-effective solution, this allows you to better prepare your annual operating budget.
- Preventative Maintenance Agreement. Our preventative maintenance service agreement is designed to provide you with a comprehensive maintenance plan for your equipment. This agreement is designed to meet your needs and budget.

24/7 Emergency Service
Call Smith-Boughan Now!
Many mechanical service contracting companies claim a 24/7/365 commitment to availability. At Smith-Boughan, you can depend on it.
Our dedicated team at Smith-Boughan is here to provide you with emergency repair service, ensuring a prompt response and efficient resolution to get your critical mechanical system back on track.
When the unexpected occurs, you can count on Smith-Boughan.