The industry leader in manufacturing flame-resistant apparel for Oil & Gas, Electric Utility and General Industries that require Arc Flash Protection. Bulwark offers the widest selection of FR resistant fabrics and styles if your job demands FR protection. Bulwark offers a wide range of styles and colors in dress shirts, work shirts, pants, bibs, and coveralls which meet the National Fire Protection Associations (NFPA) Standards. Our clothing are NFPA 2112 compliant and made in Cat 1, Cat 2, Cat 3, and Cat 4. Our clothing ranges in calories/cm². Bulwark’s flame-resistant protective workwear are certified under the Underwrites Laboratories to the NFPA 2112 Standards for protection against Flash Fire.