Johnston MS

The M.S. Johnston Company has a rich history that spans over 80 years. Founded in 1909 by Maurice S. Johnston, the company has evolved from its humble beginnings in refrigeration repair to become a leading provider of HVAC services, food service equipment, and mechanical engineering. Throughout its history, the company has been committed to building strong relationships with its customers, suppliers, and professional groups.

Our Services

At M.S. Johnston Company, we offer a wide range of services that cater to the needs of commercial, industrial, and institutional clients. Our expertise in HVAC systems includes design/build and plan and spec installation and service. Whether it's a commercial building, industrial facility, or institutional complex, our team of experts will work with you to design and install a customized HVAC system that meets your specific needs.

We also specialize in food service equipment, providing design and installation services for supermarkets, schools, nursing homes, orchards, food chains, and private restaurants and markets. Our team of experts will work with you to design and install a customized food service equipment solution that meets your specific needs.

In addition to HVAC and food service equipment, we also provide refrigeration services, including design, installation, and service of commercial and industrial refrigeration systems. Our team of experts will work with you to design and install a customized refrigeration system that meets your specific needs.

Our Team

Our team is composed of experienced professionals who are dedicated to providing exceptional service to our clients. Our team includes licensed professional engineers, certified designers, and experienced technicians who are committed to delivering high-quality workmanship and customer service. At M.S. Johnston Company, we pride ourselves on our commitment to building long-term relationships with our clients and our community.

Our History

The M.S. Johnston Company was founded in 1909 by Maurice S. Johnston, who had a passion for mechanical engineering and refrigeration. Over the years, the company has evolved to meet the changing needs of its clients, adapting to new technologies and trends in the industry. Today, the company is led by Michael S. Johnston, P.E., a licensed professional engineer in Maryland, Pennsylvania, Virginia, and West Virginia.

Our Community Involvement

At M.S. Johnston Company, we believe in giving back to our community. We are actively involved in community service, volunteering our time and resources to local non-profits and charities. We are committed to reducing our environmental footprint and are always looking for ways to improve our sustainability.