CME also builds a complete line of hollow-stem and continuous flight augers, auger accessories and sampling systems.

In addition to the line of quality-manufactured products, CME is also a leading provider of tools, equipment, and supplies for core and rotary drilling, soil sampling, and ground water monitoring.

Additionally, ECS has earned a reputation for being responsive and having the ability to solve problems on major projects.  The four major service groups include:

1. The Geotechnical Group performs subsurface explorations and engineering for construction of all types.
2. The Construction Materials Group provides full-scale testing and inspection services for all types of structures.
3. The Environmental Services Group performs environmental consulting services including transactional studies, wetland services and archaeological services.
4. The Facilities Group performs condition and pre-construction surveys, and consults on numerous areas of the built environment.

National Research Company continually monitors the market for new diamond usage and requirements. Our main goal is to provide consistency in our products. Our testing procedures and quality parameters guarantee the consistency of our products and, at the same time, we are always available to discuss new demands and material requirements.

National Research Company offers a host of services including diamond recovery and diamond classification, as well as, diamond conditioning and polishing. We also provide generic testing and identification of diamond types. We have been providing our services for over four decades.

• Geotechnical evaluations for building, bridges, parking lots, and highways.
• Construction materials testing and special inspection.
• Dynamic pile testing.
• Geotechnical and environmental drilling.
• Laboratory testing of soils, aggregate, concrete, and asphalt.