Audits, qualification and follow-up to manufactures. Ascertainment of general criteria regarding compliance with ISO9001


Expediting to be additionally carried out to sub-suppliers if neccessary or expressly requested


Inspection and tests to be additionally carried out to sub-suppliers if neccessary or expressly requested

Project Q managment

Project quality engineering: QA/QC Management Services and Specialized high level consulting


Técnicas Reunidas

Técnicas Reunidas is an international general contractor, engaging in the engineering, design and construction of various types of industrial facilities for a broad spectrum of customers throughout the world, including many of the principal national oil companies as well as several multinational companies.

Initec Plantas Industriales

Initec Plantas Industriales S.A. operates as an engineering company and is based in Madrid, Spain. Initec Plantas Industriales S.A. operates as a subsidiary of Tecnicas Reunidas, S.A .


Is a leading provider of integrated engineering, procurement, construction and installation services for upstream field developments worldwide. The Company delivers production facilities, pipelines and subsea systems from concept to commissioning for complex oil and gas projects.


REPSOL has implemented one of the most efficient refinery systems in Europe, with five Refinery Plants in Spain to a total capacity of 900 thousand oil barrels per day.


Qatargas, established in 1984, pioneered the liquefied natural gas (LNG) industry in Qatar. Today, Qatargas the largest LNG producer in the world, with an annual LNG production capacity of 42 million tonnes per annum (mta) is realising its vision to deliver LNG to its customers around the globe, from its world-class facilities in Qatar.


WorleyParsons is a leading provider of professional services to the energy sectors and process industries. The services cover the full asset spectrum both in size and lifecycle from the creation of new assets to services that sustain and enhance operating assets. From small brownfield services contracts to mega greenfield projects.


For the last 32 years Petrofac has been building its capability, increasing the scale of their service offering. Petrofac can provide services to customers across the entire spectrum of the oil and gas asset life cycle, on either a stand-alone or integrated basis, under flexible commercial models which are tailored to a customer’s needs.

Kuwait Oil Company

Kuwait Oil Company's Responsibilities under the KPC's umbrella involve the exploration, drilling and production of oil and gas within the State of Kuwait. The Company is also involved in the storage of crude oil and delivery to tankers for export.


Is a global energy company, whith presence in all steps of the oil value chain. Its most important activities are oil exploration and petroleum production including refining, in addition to distribution and marketing of petroleum derivatives, petrochemical products, as well as gas and electricity.

Amec Foster Wheeler

Amec Foster Wheeler (Wood Group), one of the largest E&C contractors in the world, delivers a full range of services -- studies and FEEDs, EPC execution and asset support-- for the refining industry, upstream gas, LNG regasification, chemicals, pharmaceuticals and utility power generation.


INTECSA-INARSA is a Spanish private equity consulting and engineering Company, incorporated in 1965 based on an initially reduced number of specialists but with ample experience in design and construction of Industrial Plants. Its progressive growing has made INTECSA-INARSA one of the firsts and most diversified Spanish compañies, among those dealing with consulting and engineering.

Sacyr Industrial

Sacyr Industrial has more than 43 constructed waste management facilities (design, project and construction), as well as 114 installed MW for recovering energy from waste. Sacyr Industrial is well-prepared to offer a wide variety of Turnkey (EPC) projects for waste treatment and energy recovery plants, using the most efficient technologies and processes, including, among others.


ENAGAS is the technical management operator to the Spanish gas network and also the main pipeline transportation Company in Spain. Furthermore, ENAGAS is certified by the European Union as an independent Transmission System Operator and this equates the Company with other gas transportation networks in many countries.


SNC-Lavalin is one of the leading engineering and construction groups in the world and a major player in the ownership of infrastructure. From offices in over 50 countries, SNC-Lavalin’s employees provide EPC and EPCM services to clients in a variety of industry sectors, including mining and metallurgy, oil and gas, infrastructure and power.

Ma’aden Phosphate Co.

MPC exploits the phosphate deposit at Al Jalamid in the North of Saudi Arabia and utilises local natural gas and sulphur resources to manufacture Diammonium Phosphate (DAP) at processing facilities at Ras Al Khair on the Arabian Gulf coast. These facilities have the flexibility to also produce Monammonium Phosphate (MAP).


A. G. Quality launches its new website

The A. G. Quality web portal is launching its new design, which is more user friendly in its browsing experience, has restructured the layout in major sections, and includes several improvements.

Técnicas Reunidas congratulates A.G. Quality among its main suppliers

Técnicas Reunidas congratulates A.G. Quality among its main suppliers

Técnicas Reunidas congratulates A.G. Quality once again

TECNICAS REUNIDAS congratulates A.G. Quality once again
 This is our second congratulation published in less than three years by one of the most important global EPC Contractors

REPSOL awards A.G. Quality with their 2018-2019 2-year Inspection and Expediting Frame Agreement