SRN Testing Services (SRN) is a comprehensive engineering and geotechnical firm providing analytical, environmental, and materials testing services. By uniting engineering, testing, and consulting under one roof, SRN delivers seamless project support. Our team includes licensed engineers, certified scientists, and skilled technicians with advanced degrees and professional certifications.

About Us
Expert Engineering and
Geotechnical Services
Certifications and Services
Certified Engineering and
Testing Services for Diverse
Industries
We serve a diverse clientele, including state and local governments, road builders, excavators, home builders, design-build firms, and general construction companies. SRN maintains several key certifications, notably the Illinois Department of Transportation (IDOT #IL23C1) for materials testing and the National Environmental Laboratory Accreditation Certification (NELAC #100463) for analytical laboratory testing. Our methodologies adhere to standard procedures from ASTM, EPA, and IDOT, ensuring the highest quality and compliance in our services.
We are proud members of the Great Lakes Construction Association and Underground Contractors Association of Illinois.

Location and Reach
Expert Engineering Services
Across Illinois and Wisconsin
Based in Bartlett, IL, SRN extends its services throughout the Chicagoland area, including central and northern Illinois, southern Wisconsin, and northwest Indiana