Elfi Wall Systems

Holland Company is one of the leading providers of electric flash butt welding systems in the world. The family-owned and operated company maintains various rail welding plants throughout North America. It serves clients in the United States, China and India. The company designs, engineers and provides solutions for freight cars. It maintains railway measurement systems and a services division that offers track testing services. The company also offers Internet data management services. It develops and manufactures rail handling and transportation equipment. The company provides products under various brands, such as Automatic Twist-Locks, Load Snugger and Hollube. It has received an ISO 9001:2000 certification from the International Organization for Standardization. Holland Company manages a staff of engineers and support personnel.

George Allen Construction Co, based in Mokena, IL, specializes in innovative solutions for railroad construction, boasting over 45 years of experience in the rail industry. The company prioritizes safety, sustainability, and operational efficiency, ensuring minimal disruptions and significant cost savings for its clients across 36 U.S. states. With a strong focus on building long-lasting relationships, George Allen Construction has collaborated with major railroads such as BNSF, Norfolk Southern, and Amtrak. Their expertise extends beyond railroad facilities to include commercial, education, and civic projects, emphasizing integrity and trust in every partnership. Generated from the website

Wooden Roof Structures, Inc, was founded and incorporated in the State of Illinois in 1990 by James F. & Peggy L. Donnellan. WRS, Inc specializes in the repair, reinforcing and fabrication of bowstring roof trusses. in addition, we are experienced in all types of commercial wooden roof construction. Our experience dates back much farther than our incorporation date would indicate. Wooden Roof Structures' roots stem from one of the largest and most recognized names in the truss industry, American Roof Truss Company. Founded in 1922 American Roof Truss Company established itself as one if the premier roof truss companies in the country. From their facility in Chicago they fabricated and shipped thousands of trusses throughout the United States. For a time they even maintained an office in Los Angeles, Ca. Invaluable technical knowledge and fabrication methods have been passed to our employees from the most experienced and skilled craftsmen in the truss industry. Understanding the original fabrication and installation methods is critical when determining the best and most cost effective method of repairing or reinforcing a bowstring truss. We take pride in the "hands on" approach to management that we have used since our inception. The results of that style are obvious ; quality workmanship and satisfied customers. Every truss repair project is unique. Wooden Roof Structures, Inc is committed to providing professional project management, quality repairs and a safe work environment with limited disruption for all our clients.