Cornerstone Building Brands is the largest manufacturer of exterior building products in North America. Our comprehensive portfolio spans the breadth of the residential and commercial markets, while our expansive footprint enables us to serve customers and communities across North America. Our relentless focus on excellence combined with our ongoing commitment to innovation and R&D has driven us to become the #1 manufacturer of windows, vinyl siding, insulated metal panels, metal roofing and wall systems, and metal accessories. We believe every building we create, and every part of that building, positively contributes to communities where people live, work and play. DISCLAIMER Cornerstone Building Brands’ social media channels share information about our company, our products and our people. We welcome commentary expressing all points of view – positive and negative – but reserve the right to remove posts that are off-topic, offensive, promotional or illegal or contain inappropriate language, hate speech, proprietary information, personal data or personal attacks.

Maverick Tube Corporation acquired by Tenaris in October 2006.

Mattr delivers advanced material technologies and complex manufacturing expertise through brands offering engineered products, technology and solutions to support infrastructure projects & markets worldwide. Mattr brands: Shawflex, DSG-Canusa, Flexpipe, Xerxes and Shawcor.

Gulf Island is a leading fabricator of complex steel structures and modules and provider of specialty services, including project management, hookup, commissioning, repair, maintenance, scaffolding, coatings, welding enclosures, civil construction and staffing services to the industrial and energy sectors. The Company's customers include U.S. and, to a lesser extent, international energy producers; refining, petrochemical, LNG, industrial and power operators; and EPC companies. The Company is headquartered in The Woodlands, Texas and its primary operating facilities are located in Houma, Louisiana.

Hydril Company is a Mechanical or Industrial Engineering company located in 8641 Moers Rd, Houston, Texas, United States.

With Locations in Houston, Orlando, and Dallas, McCorvey Sheet Metal Works, L.P. is a detailer, fabricator, and installer of HVAC sheet metal duct. MSMW has performed on numerous high-profile projects all over the U.S. From High Rise Office Buildings, Educational Facilities, and Retail Properties to Research Labs, Sports Venues, Conference/Hotel Properties, and Health Care Facilities; McCorvey Sheet Metal Works is regarded as a company of the highest quality, integrity, and experience. Contact our Recruiting Team at (713) 960-4849!

SCHOELLER-BLECKMANN OILFIELD EQUIPMENT Aktiengesellschaft (SBO) is the global market leader in high-precision components made of high-alloy steel and a leading supplier of key components for the oilfield service industry. The business focus is on non-magnetic drillstring components and high-tech downhole tools for drilling and completing directional and horizontal wells. As a leader in terms of quality and technology, SBO counts both, the major oilfield service companies, and also many exploration and production companies, among its customers and has set the market benchmark in the relevant business sectors over many years. The basis of SBO's lasting and successful business performance is a close interaction between leadership in technology, quality and innovation, and a market-oriented growth strategy, high productivity and flexibility as well as a long-term strategic investment policy.

Lamons is one of the largest Gasket, Bolt and Hose Assembly manufacturers in the world that is privately held. Our mission is to provide industry-leading Safety Sealing and Attachment Solutions through our Valued Quality Products, Exceptional Service and with a culture of Never-Ending Continuous Improvement. We achieved this mission through deploying the capabilities of our manufacturing facilities in Houston and Denver while utilizing our 19 strategically located branches to support our customers’ needs 24/7.

Flexitallic is the international market leader in the manufacture and supply of high-quality, high-value industrial static sealing products. Based on sales and geographic reach, The Flexitallic Group has become a global supplier of industrial gaskets. Developer of the spiral wound gasket in 1912 in the US, Flexitallic today continues its legacy of innovation with product materials like Thermiculite® and Sigma®. Flexitallic’s sheet materials product lines began in the mid 1800’s in England. Flexitallic is a privately held company headquartered in Houston, Texas USA. Flexitallic’s global customer service network of owned manufacturing facilities, manufacturing licensees and distribution network (over 750 distributors in 30 countries) ensure local demand is met quickly, with a combination of the highest product quality and customer service. With a varied product offering that includes spiral wound gaskets, semi-metallic gaskets, RTJ gaskets, kammprofiles, sheet gaskets, and dynamic and static packings, The Flexitallic Group draws upon its storied past and present day mixture of leadership, quality, service and technology to develop sealing solutions for industry all around the world.

MOGAS Industries is the dominant severe service technology company, providing world-renowned services and the best severe service, application-specific products for critical valve applications in power, mining, oil & gas, refining, chemical/petrochemical, pulp & paper and specialty industries. Severe service is defined as: • extreme temperatures • high pressures • abrasive particulates • acidic products • heavy solids build-up • critical plant safety • large pressure differentials • velocity control • noise control Our portfolio of products includes floating and trunnion ball designs for quarter-turn isolation, and custom trim designs for flow control. Valve sizes range from 1/2 to 42 inch, and pressure classes up to ASME 4500. Known for partnering with its customers to meet the ever-increasing challenges of severe-service applications, MOGAS engineering services are available for project support, offering application-specific valve designs and pre-engineered valve systems. Complete product support include a totally customizable valve purchase and service plan. Due to continuous R&D, coating improvements, proven manufacturing techniques and application experience, MOGAS can offer an unprecedented application-specific PERFORMANCE GUARANTEE—plus a Lifetime Warranty on materials and workmanship—on all our valves. MOGAS is a global company. You will find authorized sales and repair centers in China, Australia, Canada, North and South America, Africa, The Middle East and Europe that are staffed with MOGAS-trained technicians who provide the same high level of service, on-site assistance and engineering support found at our corporate service center in Houston.

The Shaw Group is an industry leader in pipe and module design and fabrication services to the energy, chemicals, power, manufacturing, pulp and paper, and industrial sectors. Through innovation, quality, and relentless pursuit of excellence, we partner with our clients to bring their projects to fruition. The Shaw Group’s family of brands includes Chemex Global, an engineering, procurement, and fabrication (EPF) provider that offers clients a tailored service experience for modular and conventional refinery and energy construction projects. Shaw’s global footprint includes over 2 million square feet of fabrication capacity in the United States and the Middle East. Shaw’s state-of-the-art facilities are equipped with the latest manufacturing technology and production management systems to ensure project success for heavy industrial clients. Headquartered in Houston, Texas, The Shaw Group employs approximately 2,200 people across its offices and operations in North America and the Middle East.