With our focal point on manufacturing, Modco’s® Quality Management System (ISO 9001-2015 certified) accesses our after-sales and supply-chain organizations, making every effort to increase customer satisfaction by actively improving our quality of service.

Our Philosophy


Excellence in Manufacturing


We stand behind our product with 38 years experience: In 2010, Modco® reinvested in a new state of the art 10 acre manufacturing facility to continue to provide excellence in manufacturing. Utilizing state of the art machinery, and ASME certified manufacturing processes, the quality of Modco’s manufacturing is higly reflective. All Modco® Closures are machined and fabricated in the United States.


The Best Materials

Modco® only utilizes the highest quality material from manufactures who offer the highest level of traceability. We oversee component quality by assessing our supplier quality performance in manufacturing and by performing detailed on-site evaluations of potential suppliers. We guarantee that all pressure contained parts are manufactured with U.S. or Western Europe made material providing the highest level of integrity and quality.




We understand customer service includes service to our customers before, during and after a purchase. At Modco® we protect our culture of technical competense, friendliness and active listening. Our goal is to build comprehensive relationships with our customers based on their individual needs. We are constantly seeking the feedback of all our valued customers. We believe this feedback empowers the enhancements of our designs and our processes projecting positive impact through to our manufacturing and engineering organizations as well as our suppliers.