AL-Qasas Company for Contracting is one of the Kingdom's early pioneers of bridge construction — delivering bridges, tunnels, retaining walls and post-tensioning systems for landmark national infrastructure programmes, from King Salman Park and Diriyah Gate to Qiddiya and the Haramain High-Speed Rail.
A medium-sized enterprise with a strong track record in infrastructure delivery, backed by seasoned engineers, project managers and technical experts who work closely with stakeholders from concept to completion.
To be the preferred contracting partner for complex infrastructure projects, recognised for innovation and engineering excellence.
To deliver superior infrastructure solutions through advanced technologies, top-tier talent and best practice — on schedule and within budget.
Operating across Riyadh · Aseer · Tabuk · Jeddah · Al-Ahsa · Al-Kharj and other cities across the Kingdom.
Al-Qasas manages projects from concept through to completion for clients across the public and private sectors of the Kingdom.
Precast, cast-in-place, hollow core and box girder bridges, viaducts and interchanges — from substructure to deck completion.
Road tunnels, underpasses and cliff tunnels executed in complex urban and rock conditions with strict safety control.
Pre-stressing with strands and bars for all bridge types, delivered with DYWIDAG-Systems International (DSI) technology.
Reinforced concrete retaining walls, abutments and heavy civil structures for roads, rail and development projects.
Comprehensive design-and-build delivery managed by our technical office, QA/QC engineers and designers.
Send us your drawings and we'll advise on method, programme and budget.
Request a Consultation
Technology partner: our post-tensioning works are delivered with DYWIDAG Bar and Strand Tendons — known for superior load-carrying performance, durability and long-term corrosion protection.
A selection of recent bridge and tunnel packages delivered for the Kingdom's leading employers and main contractors.
View Gallery
View Gallery
View Gallery
View Gallery
View Gallery
View Gallery
43 completed projects since 2002 for MOT, MOMRA, SAR, GACA, DGDA, RCRC, KSP and other leading employers.
| # | Project | Employer | Contractor |
|---|---|---|---|
| 1 | Hawta Bin Tamim Bridge | MOMRA | Al-Rousan for Contracting |
| 2 | Completion of Shaqra & Shuqair Road Part 1 | MOT | Rafee for Contracting |
| 3 | Intersection #3 Hail-Qassim Road | MOT | Moh'd Alali Alswailem |
| 4 | Qassim-Hail Road | MOT | Moh'd Alali Alswailem |
| 5 | Completion of Second Stage Aqabat Dele | MOT | Moh'd Alali Alswailem |
| 6 | Completion of Shaqra & Shuqair Road Part 2 | MOT | Rafee for Contracting |
| 7 | Bridge in Delim Area | MOT | Al-Rousan for Contracting |
| 8 | Bridges in Salboukh Road (PT works only) | MOT | Al-Fawzani for Contracting |
| 9 | 3 Bridges in Roads Heading to Tabouk Airport | MOT | Manwa Trading Co. |
| 10 | Arar-Sakaka Road (Aljouf Area) | MOT | Al-Rousan for Contracting |
| 11 | Completion of Ring Road Around Tabouk City | MOT | Manwa Trading Co. |
| 12 | Doubling Abu Ajram-Tabarjal Qurayat Part 1 | MOT | Manwa Trading Co. |
| 13 | Bridge at Rumah with Rawdat Khuraim | MOT | Abdulali Al-Ajmi Co. |
| 14 | Doubling of Tabouk-Haqel Road | MOT | Manwa Trading Co. |
| 15 | Doubling Abu Ajram-Tabarjal Qurayat Part 2 | MOT | Manwa Trading Co. |
| 16 | Doubling of Tabouk-Diba Road Part 2 | MOT | Manwa Trading Co. |
| 17 | Bridge at Bweba Intersection with Thumama Road | MOT | Moh'd Alali Alswailem |
| 18 | Doubling of Tabouk-Diba Road Part 1 | MOT | Manwa Trading Co. |
| 19 | Doubling of Tabouk-Diba Road Part 3 | MOT | Manwa Trading Co. |
| 20 | Maintenance of Agricultural Roads, Madina Almonawara (Group 8) | MOT | Cercon General Contractors |
| 21 | Haramain High-Speed Rail (HHR) | SAR | JV ARC / ACC |
| 22 | HHR Addendum | SAR | JV ARC / ACC |
| 23 | Completion of Tabouk Ring Road (Al-Moroj Intersection) | MOT | Manwa Trading Co. |
| 24 | Diwan Intersection Bridge | MOT | Abdulali Al-Ajmi Co. |
| 25 | Doubling of Tabouk-Diba Road Part 6 | MOT | Manwa Trading Co. |
| 26 | Bridge at Najah with King Fahad Road Intersection (Al-Ahsa) | MOT | Abdulali Al-Ajmi Co. |
| 27 | Bridge at King Abdulaziz Road (Al-Kharj) | MOMRA | Dathin |
| 28 | Doubling of Tabouk-Sharma Road | MOT | Manwa Trading Co. |
| 29 | Tunnel at King Abdulaziz Road (Al-Kharj) | MOMRA | Dathin |
| 30 | 2 Viaducts in Riyadh Airport (KKIA) | GACA | JV TAV / ACC |
| 31 | HHR Stage 2 (PT Works Only) | SAR | DYWIDAG International Systems (DSI) |
| 32 | Bridge & Retaining Walls, King Salman Road / Abu Bakir AlSiddiq Road | RCRC | JV Ferrovial Agroman / Al-Fahad |
| 33 | Tunnel at Abu Bakir AlSiddiq Road / Anas Bin Malik Road | RCRC | JV Ferrovial Agroman / Al-Fahad |
| 34 | CTW 130-Sadara Project | SAR | JV Yapı Merkezi / Shebh Al-Jazira |
| 35 | Abu Hydriyah Intersection with Buqaiq | MOT | Abdulali Al-Ajmi Co. |
| 36 | SANG Housing Project | SANG | Salini Saudi Arabia |
| 37 | King Salman Park | King Salman Park Establishment | JV El-Seif / CCC |
| 38 | Diriyah Gate Infrastructure | DGDA | JV El-Seif / China State Construction |
| 39 | Diriyah Gate Infrastructure | DGDA | Saudico |
| 40 | Wadi Cascade | KSP | NESMA & Partners |
| 41 | Skyline Bridges C1 & C2 | KSP | NESMA & Partners |
| 42 | Cliff Tunnel for Roller Coaster | QIDDIYA | UNIMAC |
| 43 | CP-06.02 Grand Mosque Tunnel 4 | KSP | Freyssinet Saudi Arabia |
Projects completed on schedule and within budget, from Tabuk ring roads to Riyadh giga-project packages.
Engineers, project managers, QA/QC specialists, designers and skilled foremen with decades of bridge experience.
Strand and bar post-tensioning for precast, cast-in-place, hollow core and box girder structures.
A collaborative delivery model with open communication and clear reporting to every stakeholder.
ISO-certified quality, environmental and occupational health & safety management across all sites.
Steady year-on-year growth in delivered project value, backed by repeat clients.
We review drawings, scope and site conditions to understand your project requirements.
Our technical office prepares method statements, budgets, schedules and QA/QC plans.
Steel fixing, formwork, concreting and post-tensioning delivered with continuous quality control.
Final inspection, testing documentation, completion and handover to the employer.
Our clients span both the public and private sectors of the Kingdom, supported by written approvals from the Ministry of Transport and other authorities.
We're always glad to hear from engineers, site supervisors and technical professionals who want to help build the Kingdom's infrastructure. Send us your CV and we'll keep it on file for upcoming roles.
Bridges, tunnels & post-tensioning works · Riyadh & project sites
Technical office · Quality & compliance across active sites
Site-based · Experienced heavy civil crews
Full project lifecycle, from award to handover
We deliver bridges, tunnels, underpasses, retaining walls, and post-tensioning packages for road, rail and urban development projects across Saudi Arabia.
Both. We take on design-and-build packages directly and also work as a trusted structural subcontractor to leading main contractors.
We operate across Riyadh, Aseer, Tabuk, Jeddah, Al-Ahsa, Al-Kharj and other cities throughout the Kingdom.
Yes — we hold ISO 9001, 14001 and 45001 certifications, a Ministry of Commerce registration since 2002, MOMRA classification, and Riyadh Chamber membership.
We provide strand and bar post-tensioning systems for precast, cast-in-place, hollow core and box girder bridge structures, using DYWIDAG technology.
We're always open to hearing from experienced engineers and site staff — visit our Careers section above to submit your CV.
Fill out the consultation form below with your project details, or reach us on WhatsApp or email, and our technical team will follow up promptly.
Planning a construction project? Speak with our specialists today. Fill out the form and we'll contact you as soon as possible.
AL-Qasas Company for Contracting
King Abdulaziz Road, Al Mursalat District, Riyadh 12463, Saudi Arabia
📍 Get Directions on Google Maps +966 11 263 1943 [email protected] alqasasest.comSunday – Thursday: 8:00 AM – 5:00 PM
Friday & Saturday: Closed
Partner with a contractor that has been building the Kingdom's infrastructure since 2002.
