Diversified Project Services International, Inc. (DPSI) is a leader in Engineering, Geomatics (surveying), Mechanical Inspection, Planning, Permitting, and Construction services. Our team of experienced professionals are passionate about our work and believe in providing quality from beginning to end. We serve clients in the petroleum, chemical, and power industries as well as commercial and residential development, energy, public agencies, schools and agriculture.
We believe in building long-term relationships with our clients to provide project solutions from conceptual planning, through
Founded in 1976, TGR Industrial Services; formerly Tulsa Gamma Ray and Texas Gamma Ray, is a national provider of Non-Destructive Testing and Heat Treating Services. TGR's business is assuring the integrity and optimization of critical components and process systems. TGR Technicians are certified to industry recognized standards in accordance with ASNT ACCP, API, EPRI, AWS, NACE and FAA Certified Repair Station, while utilizing the most technologically advanced industry equipment available.
Our mobile fleet is equipped to go anywhere with a highly capable team of technicians that are exper
Trinity Products was founded in 1979 in St. Charles, Missouri
as a steel pipe supplier with a focus on the heavy civil construction industry (piling, road boring and utility contractors). Management moved quickly to secure additional property in order to build Trinity’s first fabrication facility. Adding fabrication capabilities allowed Trinity Products to branch out into the advertising industry by adding sign pole and billboard structure fabrication to the product line.
In 1999, Trinity Products relocated to O’Fallon, Missouri and once again expanded the fabrication facility. Additions o
A form of non-destructive testing in which high frequency sound waves are used to find defects in steel, steel alloys and composite materials. Commonly used in the construction industry to maintain the integrity of piping, tanks and refineries.
MAGNETIC PARTICLE TESTING
A non-destructive testing process for detecting surface and near-surface discontinuities in materials such as iron and other ferromagnetic alloys. Also known as Magnafluxing.
CERTIFIED WELDING INSPECTION (CWI)
Highly skilled inspection included in non-destructive testing and c