History of MarMac

MarMac Manufacturing Company, Inc. is a family-owned, family-run business. We take pride in the history of our company and those who made their mark on making it what it is today. Those who paved the way for sustainable growth and success.

MarMac has been serving our industries since 1953 when John McLeod, Sr. and JW Martin, Jr. founded the company. Today MarMac Manufacturing proudly boasts three divisions: Construction Products, Protective Apparel, & Applied Infrastructure Sciences.

A company cannot stay successful for more than 65 years without a solid set of core values. At MarMac, our team works synergistically with a focus on quality, dependability, experience, and customer service to best serve our valued customers. Because at MarMac the customer is always right. 

Quality Matters.

- John S McLeod, Sr (Founder, 1953)

Company History

Company Timeline


Company founded by John McLeod Sr. and JW Martin Jr.


McLeods and Martins amicably split the company along two lines.
-Martins form cousin company: MarMac Industries, Inc.


• McLeods take charge of MarMac Manufacturing, creating Construction
Products and Protective Apparel divisions.

• Protective Apparel becomes contracted manufacturer for DuPont Tyvek.


MarMac fills a need in the industry by creating third division: MarMac AIS (Applied Infrastructure Sciences).