Granite Construction Company

CKC Laboratories, founded in 1973, is a customer-focused EMC testing laboratory located in Mariposa, CA, specializing in electromagnetic compatibility (EMC) and electromagnetic interference (EMI) testing and consultation services. With a team of technically expert engineers and technicians, the company has built a reputation for providing first-class EMC services across various industries, including aerospace, automotive, medical, and military sectors. Having over 50 years of experience, CKC Laboratories is recognized as a leader in the field, being the first U.S.-based firm to assist mainframe computer manufacturers with VDE compliance testing and to achieve multiple key accreditations. Their commitment to establishing long-term, trust-based relationships with clients is complemented by their state-of-the-art testing facilities and a dedication to unparalleled customer service. Generated from the website

Barrier Roofing & Solar, established in 1941, has grown into one of America's largest commercial roofing and solar firms, specializing in innovative solutions including new roofs, restoration, and custom applications such as thermal barriers and insulation. The company is renowned for its commitment to quality craftsmanship and client satisfaction, consistently delivering expert roofing services across millions of square feet annually. With a focus on sustainability, Barrier Roofing & Solar offers industry-leading solar solutions designed to reduce energy costs and enhance building efficiency. As a trusted provider in the commercial roofing sector, they emphasize world-class service and the integration of advanced technologies to meet the diverse needs of their clients. Generated from the website

Founded in 1970, Architectural Testing Inc. is in the independent testing laboratory business for fenestration products. Based in Fresno, Calif., its services include independent testing, product certification, quality assurance, professional engineering services, forensic investigation and building code compliance evaluation. The firm offers a list of performance, prequalification and research testing services besides providing standard-based and custom-designed tests for a range of building structures. Its certification services also offer quality assurance programs for manufacturers of a range of products.