Pro Pack Testing Laboratory

Standard Laboratories Illinois Division is a unit of Standard Laboratories, which is a coal, water and soil testing firm. Founded in 1950, Standard Laboratories operates more than 40 laboratories in the United States. Its services include the sampling and analysis of ground and surface water, wastewater, soil and overburden. The firm additionally provides coal sampling and analysis, washability studies, acid-based accounting, contracting and support services. Its rock mechanics and soil capabilities include uniaxial compression testing, sonic velocities, swelling strain, slake durability, and soil texture and classification. Standard Laboratories serves more than 2,000 utilities, producers, manufacturers, consultants, industrial clients, brokers and exporters.

Gateway Cylinder Technologies L.L.C. is a premier cylinder recertification and refurbishment facility located in Highland, Illinois. Founded in 1998, the company specializes in the servicing of various gas cylinders, offering a range of testing and refurbishment services to local and regional customers. Operating with a commitment to fairness and integrity, Gateway Cylinder actively serves industries by providing essential services such as hydrostatic and ultrasonic cylinder testing, acetylene requalification, and cylinder painting. With a focus on quality and reliability, they secure an impressive service area that extends across multiple major cities in the Midwest. Generated from the website

Founded in 1929, St. Louis Testing Laboratories, Inc. is a privately owned, independent commercial testing laboratory. The company performs a wide range of services, such as performing analyses, testing, inspection, in the specialized fields of nondestructive testing, metallurgical analysis, mechanical testing, organic, inorganic, environmental, and chemical analyses. It also offers services like chemical testing, environmental testing, metallurgic testing, nondestructive testing, mechanical testing, product testing, electronics testing, scope of accreditation and coating testing. St. Louis Testing Laboratories, Inc. is located in St Louis, Mo.