Quality Testing for Today’s Projects
S.W.COLE provides cost effective laboratory and field testing services to measure the conformance of the materials and construction of your project to the project specifications. We provide independent construction materials testing, both in the field and at our eight regional laboratory facilities. Most of the tests are completed in-house, saving our clients time and money.

An S.W.COLE technician obtaining a concrete core
With the speed of today’s projects, we make every effort to keep the project running smoothly and efficiently with our electronic report transmittals and our completely unique laboratory database management system. We annually perform nearly 40,000 field and laboratory test procedures, including approximately 3,300 laboratory soil sieve analyses and 1,400 laboratory soil moisture density tests, and cast and test 28,000 concrete compressive strength specimens.
Two of our laboratories have been accredited by the AASHTO Materials Reference Laboratory (AMRL). Our Bangor laboratory has been accredited in Portland cement concrete, aggregates, soil and quality systems since 2002, and in hot mix asphalt since 2009, while our Somersworth office has been Portland cement concrete, aggregate and quality systems accredited since 2012.
Extensive Experience from Hospitality to Aviation
- ACI
- NETTCP
- NICET
- ICC
- PCI
- AWS
S.W.COLE’s field and laboratory technicians have extensive experience working on retail, commercial, hospitality, health care, energy and transportation projects, including highway, bridges and aviation projects. They are experienced with protocols for sampling and testing for a wide range of materials.
Our field technicians are required to be certified as an American Concrete Institute (ACI) Level I Concrete Technician and to obtain certification to perform soil tests using a nuclear density gauge. Many of our technicians have certifications through ACI, the Northeast Transportation Technician Certification Program (NETTCP), the National Institute for Certifications in Engineering Technologies (NICET), the Precast/Prestressed Concrete Institute (PCI), the American Welding Society (AWS) and the International Code Council (ICC) to perform a variety of testing and inspections of soils, aggregate, concrete, masonry and hot mix asphalt.
Complete Listing of Testing Services

Gradation testing in the lab
Laboratory Testing
- Soils
- Aggregates
- Masonry
- Concrete
- Rock
See a complete list of our laboratory testing services.
Field Testing
- Soil and Aggregate Sampling and Testing (compaction / density, California bearing ratio, double-ring infiltrometer and permeability testing)
- Concrete Sampling and Testing (air content, slump, temperatures, unit weight, yield and fabrication of compressive strength specimens)
- Block and Masonry Sampling and Testing (fabrication of masonry mortar and grout compressive strength specimens, RILEM tube testing)
- Hot Mix Asphalt Sampling and Testing (temperatures, compaction / density)
Specialty Testing
S.W.COLE also offers a wide variety of specialty testing and services not performed by other testing firms in the region.
For more information on any of our laboratory and field testing services, please contact Roger Domingo at 207.657.2866.