Knauf Insulation believes that an R rating is good for the family. (R-values are assigned by resistance to heat flow.) The company makes thermal and acoustical fiberglass insulation products for residential, commercial, industrial, marine, OEM, and metal building applications. Knauf also produces polystyrene custom shapes, insulation, panels, and other products. Established in 1978 as Knauf Fiber Glass, it is a member company of Knauf Gips KG, a multi-billion-dollar family of building materials companies owned by the Germany-based Knauf family. Knauf Insulation has operations in some 50 countries.

Clear Lake Lumber is well known for its hardwood. Clear Lake Lumber, a family-owned business, produces hardwood lumber products from species that include white oak, red oak, hard maple, soft maple, ash, beech, hickory, black walnut, poplar, cherry, and more. Clear Lake Lumber distributes its products to clients worldwide. The company promotes sustainable forestry practices and offers logging and timberland management services. Clear Lake Lumber was founded in Spartansburg, Pennsylvania in 1973 and began the business by selling only green lumber.

Cocoon, Inc. provides environmental services to help prevent corrosion in stored parts and equipment, inactive industrial facilities, ships and cargo, and weapons and ammunition. Cocoon's clients include the US military, utility companies, petrochemical firms, and industrial manufacturers. The company operates through partnerships with the likes of GE Energy, humidity control specialists Munters Corporation, and Rubb Building Systems. The late Leo Crotty Sr. and president Leo "Chip" Crotty established the company (then called Protec) in 1977.

Worcester Heat Systems may have to look for a new line of work. Also known as Worcester Bosch, the UK company primarily makes oil and gas boilers (cast iron, combination, condensing, floor-standing, wall-mounted, and system boilers). Other offerings include solar panel hot water heating systems (Worcester Blue Skies) and under-floor heating systems. Founded in 1962, Worcester Heat Systems was acquired by automotive component manufacturer Bosch in 1996 and is part of the Worcester Bosch group.

The Westervelt Company has turned over a new leaf -- several, actually -- since its inception in 1884. A paper and paperboard packaging manufacturer for many years, Westervelt now operates several distinct businesses related to land resource management. Besides owning and managing 500,000 acres of timberlands, the company operates sporting lodges around the world, offers wildlife gaming and recreational property management, develops masterplanned residential communities in Alabama, and is involved in creating renewable energy. The company is privately owned by the Westervelt and Warner families.

Ridgeons Group has high hopes for supplying timber and other building materials for customers in the East Anglia region of the UK. The company distributes such products as bathroom and kitchen supplies, flooring, paint, plumbing products, and power tools. Ridgeons also rents equipment, including cement mixers, garden machinery, and basic carpentry implements. Founded in 1911, the company serves the construction and home improvement markets from its some 20 branch locations.

Comfort Systems USA alters ambient air automatically. The company sells and services commercial HVAC (heating, ventilation, and air conditioning) systems in apartments, health care facilities, office buildings, manufacturing plants, retail centers, and schools. The company maintains more than 40 operating units in nearly 75 cities throughout the US. In addition to HVAC services, Comfort Systems designs building automation control systems that integrate, monitor, and operate HVAC, lighting, and access control systems. Some company locations also offer fire protection, plumbing, and electrical services. Comfort Systems was established in 1997.

Royal Boon Edam has an open-door policy -- especially if you're in the market for a securely closed door. The company has been making revolving doors and security barriers for more than 100 years. It offers a wide range of customizable products including manual and automated revolving doors, specialty slide doors, and high-capacity turnstiles. Boon Edam also provides handicap access gates and high-impact-resistant vehicle barriers.

Grupo Cementos de Chihuahua (GCC) sees the road to riches paved with plain old cement, not gold. The group's subsidiaries produce, market, and distribute cement, ready-mix concrete, aggregates, and other construction materials in the US, Mexico, and Bolivia. With about 10 facilities in operation, GCC has an annual production capacity of approximately 5 million tons of cement. Additional products include cement blocks and prefabricated concrete products. Holding company Control Administrativo Mexicano owns about three-quarters of GCC.

EFCO, a Pella Company, is a leading manufacturer of architectural aluminum window, curtain wall, storefront and entrance systems for commercial architectural applications. Headquartered in Monett, Missouri, our mission is to be the most trusted supplier in commercial architecture. To achieve this goal, we adhere to the same principles and values that shaped who we are today. Values such as manufacturing excellence. Technological innovation. Environmental stewardship. And dedicated customer service.

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