Ø 12,000 ID TK-042 NOMINAL CAP: 2,500 KL DES. PRESS: ATM + 25 mbar REF: API 650 12" CW-SUPPLY-004 8" CW-RETURN-004 PI 105 ISO CLASS 7 TEMP: 22±2°C | RH: 45±5% AHU-01 SUPPLY PLENUM DESIGN CRITERIA: P = 1.5 × DP × t WIND LOAD: 130 km/h SEISMIC ZONE: III ALL DIMENSIONS IN MM U.N.O. DO NOT SCALE DRAWING ELEVATION: +4200 TOP OF T.O.S. A A 2 N
CAS-EPC · REV.01 · Hyderabad, India

Engineering
Solutions.
Global Reach.
One Partner.

From GMP cleanrooms in Hyderabad to storage tank erection across the Middle East, Africa and South America — CAS delivers full-cycle EPC, fabrication, engineering and workforce solutions across industries and geographies.

Safety · Quality · Excellence
DOC REF: CAS-CORP-001 REV 01
Company Clean Air Solutions
Base Hyderabad, India
Scope EPC · Fabrication · Engineering
Standards API 650 · ASME · UL · PESO · ISO
Reach India · UAE · Saudi Arabia · ME · Africa
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20+
Years of engineering excellence
5+
Countries · India, UAE, Saudi Arabia, ME, Africa
6
Service disciplines under one roof
8
Industry sectors served
What we do

Full-cycle capability.
Every phase. Every discipline.

CAS operates across the full project lifecycle — from initial engineering and procurement through to fabrication, site erection, and qualified workforce deployment. One partner, end to end.

SVC-01 · FABRICATION & ERECTION
Tank Fabrication
& Site Erection
Design, fabrication and field erection of fuel storage tanks, chemical storage tanks, silos and pressure vessels. Executed to international codes across India and global project sites.
API 650ASMEULPESOISO
View scope
SVC-02 · HVAC & CLEANROOM
HVAC &
Cleanroom EPC
Turnkey GMP-compliant cleanroom projects, HEPA filtration systems, air handling units, laminar flow equipment and pharmaceutical-grade HVAC installations.
GMPHEPAAHUPharmaTurnkey EPC
View scope
SVC-03 · ENGINEERING
Engineering &
Detailed Design
Multi-discipline engineering services — piping, civil-structural, MEP, BIM, 3D scanning and process engineering for industrial plants, refineries and petrochemical facilities.
PipingCivil-StructuralMEPBIM3D Scan
View scope
SVC-04 · PROCUREMENT
Procurement
& Supply
Supply of industrial tanks, silos, pressure vessels, bunded tanks and trailers across India, UAE, Saudi Arabia, Africa and the Middle East. Sourced, quality-checked and delivered.
SilosPressure VesselsBunded TanksGlobal Supply
View scope
SVC-05 · PMC
MILESTONEWKSTATUS
Project Management
Consultancy
Construction oversight, project management and PMC services for petrochemical, refinery and industrial projects. We integrate with your team as the technical authority on site.
PMCOversightPetrochemicalRefinery
View scope
SVC-06 · WORKFORCE
Qualified Workforce
& Engineering Teams
Deployment of qualified QC personnel, project managers, certified welding teams, NDE technicians and engineering specialists for project-specific requirements globally.
QC PersonnelWelding TeamsNDEProject Managers
View scope
Industries we serve
Oil & Gas
Petrochemicals
Pharma
Refinery
Power
Mining
Water
Renewables
Standards & Codes
API 650 API 620 API 653 ASME Sec. VIII BS EN 14015 ISO 9001 NFPA 30 ASHRAE 90.1 ISO 14644 PESO IBR IS 803 EN 13445 OSHA API 650 API 620 API 653 ASME Sec. VIII BS EN 14015 ISO 9001 NFPA 30 ASHRAE 90.1 ISO 14644 PESO IBR IS 803 EN 13445 OSHA
Why CAS

The depth of a
specialist. The breadth
of a full-service EPC.

CAS is built on two decades of hands-on execution — cleanroom builds, industrial tank projects and multi-discipline engineering. We don't manage from a distance. Our engineers and workforce are on site, accountable, and technically qualified for every scope we take on.

Our story
01
Single point of accountability
One contract, one team, full responsibility from engineering through to mechanical completion. No gaps, no passing the buck.
02
Executed to international codes
Our projects are delivered to API 650, ASME IX, UL, PESO and ISO standards — the same codes your TPI will audit to.
03
Hyderabad base. Global reach.
Operating from our base in Patancheru Industrial Estate, we mobilise crews internationally — India, UAE, ME, Africa and South America.
04
Curated specialist network
We work within a network of specialist engineering firms, giving clients access to multi-discipline depth on a single engagement.
Geographic footprint
IN India Hyderabad HQ · National projects
AE UAE Supply & erection
SA Saudi Arabia Industrial & oil sector
ME Middle East Industrial & oil sector
AF Africa Fabrication & supply
(SELECTED CLIENTS · INDIA · MIDDLE EAST · AFRICA)
DR. REDDY'S // SERUM INSTITUTE // AUROBINDO // GLAND PHARMA // BAYER // L&T TECHNOLOGY SERVICES // INOX AIR PRODUCTS // SANMAR // SCI // 
PESCO AARYA // BHARAT PETRORESOURCES // POONAWALLA GROUP // BOROUGE // ADANI GROUP // PAN GULF TECHNOLOGIES // AL ASAB EST. // DEEPAK NOVOCHEM // AND OTHERS // 
Start a conversation

Have a project?
Let's talk.

Whether you need a full EPC partner, a qualified workforce for a specific phase, or an engineering team for detailed design — CAS can scope it, staff it and deliver it.