Industrial Cleaning, Painting and High-Performance Coatings

G.C. Zarnas & Co. Inc has over 100 years of combined experience with industrial cleaning, painting, high-performance coatings, specialty coatings, and various corrosion-resistant systems that enable us to recommend optimum solutions.

We provide our clients with detailed proposals identifying the scope and schedule of the work, application systems and products, quality assurance, and safety procedures.

Our field personnel—skilled in surface preparation and application techniques, including quality control and safety—follow through on every detail of your heavy-duty industrial project.

G.C. Zarnas is one of only a handful of industrial high-performance and specialty coatings applicators nationwide to have multiple Association for Materials Protection and Performance (AMPP) certifications. AMPP is a global community of professionals dedicated to materials protection through the advancement of corrosion control and protective coatings.

OUR
PROJECTS

We provide our customers with industrial cleaning and high-performance coating solutions designed to safeguard structures and extend their lifespan. As the specialty services contractor of choice, we combine expertise, quality, and reliability to deliver results that last.  Experience our projects here. 

The chemical industry is one of the largest and most vital sectors in U.S. manufacturing, serving a robust domestic market and an expanding global audience. It is also among the nation’s leading exporters. At G.C. Zarnas, we are proud to support this industry and champion the commitment to “Buy American.”

Our dedication to excellence has earned recognition from industry leaders such as Dow Chemical and DuPont, who have honored G.C. Zarnas for outstanding leadership, superior workmanship, and an unwavering commitment to safety. MAJOR INDUSTRIES SERVED Chemical G.C. Zarnas is a trusted partner for leading research, food, beverage, and healthcare organizations, including Merck & Co., Inc., Children’s Hospital of Philadelphia, Capital Health, DuPont, and M&M Mars.

Our deep expertise in advanced coating systems ensures the highest level of protection for sensitive environments—pharmaceutical laboratories, clean and surgical rooms, and food and beverage processing areas—where precision and safety are paramount. MAJOR INDUSTRIES SERVED Food, Healthcare and Pharmaceutical The global marine coatings market is shifting toward eco-friendly solutions—and G.C. Zarnas is ready to meet that demand. With decades of experience in challenging environments, our skilled craftspeople deliver superior marine coating applications wherever you need them—even in the most remote locations. Count on Zarnas for specialized longshoreman capabilities that protect your customers’ assets from harsh marine conditions. Our targeted markets include: Cargo Barges Dredgers and Naval Vessels. When performance and reliability matter, look to G.C. Zarnas for marine coating expertise that goes the distance. MAJOR INDUSTRIES SERVED Marine The petrochemical industry is one of the most capital-intensive sectors, where owner investment is enormous and asset protection is paramount. Corrosion and chemical attacks pose constant threats, while safety, regulatory compliance, and plant reliability remain non-negotiable priorities. Minimizing plant downtime is critical to operational success. G.C. Zarnas understands these challenges. We maintain multiple long-term contracts with major refineries nationwide, delivering expert services within defined maintenance outages and turnaround schedules—always on time and on budget. Our commitment to safety is proven. Companies recognize Zarnas for excellence in safety performance, completing service years with zero OSHA recordable injuries. When reliability, safety, and precision matter most, trust G.C. Zarnas to protect your assets and keep your operations running smoothly. MAJOR INDUSTRIES SERVED Petrochemical Keeping your plant running without unnecessary interruptions is our priority. G.C. Zarnas is trusted for our expertise in maintenance painting and protective services during routine shutdowns—helping you stay on schedule and avoid costly delays. We specialize in combined cycle units, applying advanced specialty coatings to new heat recovery steam generators (HRSGs), as well as performing annual tank linings. Our comprehensive services also include coating piping systems and structural steel, ensuring long-term durability and compliance with industry standards. When precision and performance matter, partner with G.C. Zarnas for proven solutions that protect your assets and keep your operations moving. MAJOR INDUSTRIES SERVED Power Generation Resistance to wear within Pulp and Paper industrial processes is of utmost importance. The products processed through this machinery can be extremely abrasive and will quickly wear out the components and parts that they come in contact with. Zarnas’s experienced applicators are trained to be self-sufficient and to provide any corrosion control system that may be required at your mill’s site. MAJOR INDUSTRIES SERVED Pulp and Paper A little corrosion may not seem like much, but the results—inoperative equipment, increased downtime and loss of productivity—are expensive. The correct repair or replacement of damaged coatings and linings can dramatically increase the life of your company’s investment and keep your long-term costs down. G.C. Zarnas is highly experienced in the steel industry, as evident of their years of service as the in-house maintenance contractor for all of Bethlehem Steel’s operations throughout the country. MAJOR INDUSTRIES SERVED Steel From water to natural gas, G.C. Zarnas has years of experience in tank linings and coating the exterior of process vessels, storage tanks, water tanks, concrete structures and chimney flues. We are continuously awarded multi-million dollar contracts to perform tank linings at many major water, power, natural gas and fueling stations to maintain their tank farms.

Increasingly, many power and gas companies are creating art out of these infrastructures so it’s attractive as well as functional. We were proud to be a part of Baltimore Gas and Electric’s 200th anniversary, beautifying the appearance of their tank farm for their surrounding communities. MAJOR INDUSTRIES SERVED Storage Vessels Every day, your equipment is exposed to a corrosive environment. Virtually every piece of equipment and every structure needs protection. Zarnas has successfully applied corrosion-resistant exterior coatings and interior linings to structural steel, vessels, scrubbers, pipe, duct, valves, carbon filters, thickeners and clarifiers over the last five decades. Our industry leadership is the result of the full range of services and the high level of quality we provide to our customers. MAJOR INDUSTRIES SERVED Water Treatment