Twelvers is a part of STS Group of Companies based in Qatar for over 30 years under the patronage and sponsorship of Shiekh Mansour Jabor Jassim Al Thani.

Twelvers was launched to serve the growing needs of the construction industry, focusing mainly on the M.E.P Sub Contracts, Manpower Supply and Industrial Catering.

Twelvers Trading & Contracting is our M.E.P firm that specializes in M.E.P Sub contracts, technical and specialist manpower supply, certified with ISO 9001:2008 and OHSAS 18001:2007 certifications.

Twelvers Catering Services Co. is our Industrial catering Specialist, also certified with  ISO 9000:2015, ISO 22000:2005 and  HACCP  certifications.

At Twelvers we have always focused our efforts on one core aspect, that is providing effective and efficient solutions to our clients backed by a heritage of our strong competitive and comprehensive service.

7th Floor, Redline Bldg P.O.Box 7218,
Above IBQ Bank Airport Branch
Doha – Qatar
Phone : (974) 4435 2702