CTLGroup

CTLGroup is an international consulting engineering firm specializing in construction materials technology, applied research, and forensic investigations. Founded in 1916 as the research and development arm of the Portland Cement Association (PCA), CTLGroup became an independent, privately held corporation in 1984.

The firm's expertise encompasses a wide range of construction materials, including concrete, cement, aggregates, masonry, steel, wood, and polymers. CTLGroup provides services to a variety of industries, including construction, transportation, energy, and manufacturing.

CTLGroup's core services include:

• Consulting Engineering: Providing expert advice on material selection, durability, and performance for new construction and rehabilitation projects.
• Applied Research: Conducting research on new construction materials and technologies, as well as developing solutions to improve the performance of existing infrastructure.
• Forensic Investigations: Investigating the causes of material failures and providing expert witness testimony in construction-related litigation.
• Laboratory Testing: Performing a wide range of laboratory tests on construction materials to assess their properties and performance.
• Field Investigations: Conducting on-site investigations to evaluate the condition of existing structures and identify potential problems.
• Education and Training: Providing educational programs and training courses on construction materials technology.

CTLGroup maintains a large, fully equipped materials testing laboratory and employs a staff of engineers, scientists, and technicians with expertise in a variety of disciplines. The company has offices located in the United States and internationally. They contribute to the development of industry standards and best practices through participation in organizations such as ASTM International, ACI International, and the American Society of Civil Engineers (ASCE).