Core Support Tanzania Limited (CSTL) delivers end-to-end EPC engineering, shutdown maintenance, and workforce solutions for complex capital projects across mining, energy, and infrastructure in East Africa.
Core Support Tanzania Limited (CSTL) is a fully Tanzanian-owned EPC and industrial support corporation headquartered in Mwanza.
We deliver end-to-end project execution across mining, oil & gas, renewable energy, public infrastructure, and heavy industry. Our turnkey execution model provides single-point accountability, strict compliance with international standards, and seamless delivery of capital-intensive projects.
From multi-million dollar public infrastructure road developments to critical 24/7 industrial plant shutdowns, CSTL bridges rigorous technical integrity with rapid localized mobilization across the United Republic of Tanzania and the broader East African corridor.
CSTL provides comprehensive, multidisciplinary engineering and operational support built on rigorous technical standards and single-point project accountability.
Heavy earthworks, industrial foundations, highways, bridges, structural culverts, and water reticulation systems built to withstand demanding industrial usage.
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Commercial complexes, institutional buildings, industrial warehouses, and rapid-deployment modular camps engineered for remote mining and infrastructure sites.
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High-precision structural steel fabrication, high-pressure piping systems, spooling, industrial plumbing, and heavy mechanical equipment installation.
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High and medium-voltage power distribution, plant electrification, substation integration, switchgear commissioning, and renewable-energy solar microgrids.
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Lattice tower erection, turnkey civil works, solar hybrid integration, trenching, ducting, fusion fiber-optic splicing, and OTDR network testing.
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End-to-end turnaround solutions designed to minimize downtime by up to 30%, extend equipment lifespan, and maximize asset reliability under strict safety standards.
View Turnaround SolutionsCSTL's shutdown services are engineered to reduce downtime by up to 30%, extend equipment lifespan, and ensure full compliance with ISO 45001 and NEMC standards.
Mill liner replacements, conveyor servicing, slurry pump upgrades, and emergency high-pressure pipe modifications.
Transformer servicing, MCC upgrades, preventive cable overhauls, and precision system recalibration.
On-site code-certified welding, structural reinforcement, heavy crane lifting, and critical asset remediation.
Tank de-sludging, chemical extraction, vessel descaling, and automated waste removal under strict atmosphere monitoring.
Scheduled plant inspections, predictive diagnostics, vibration analysis, and lifecycle asset management.
CSTL ensures fast mobilization, cost-effective deployment, and flexible scaling — from focused shutdown crews to multi-million-dollar EPC contracts.
Certified welders, electricians, mechanics, civil engineers, and heavy plant operators — vetted and site-ready.
Construction assistants, rigging hands, equipment loaders, cleaners, and auxiliary support staff.
Vigorous background verification, medical clearances, NSSF / WCF compliance, and transparent payroll.
Site-specific safety training, toolbox protocols, PPE compliance, and ongoing skill development.
Rather than generic claims, our value proposition is rooted in documented operational capacity, local ownership, and verified safety performance.
CSTL maintains a Zero-Harm culture across all active sites, with a stated LTIFR of 0.00.
Our HSE framework is aligned with ISO 9001 (Quality Management), ISO 45001 (Occupational Health & Safety), and ISO 14001 (Environmental Management), ensuring world-class safety, technical integrity, and environmental stewardship on every project.
ISO 9001 • ISO 45001 • ISO 14001 • NEMC ALIGNED
CSTL's execution history encompasses vital telecommunications infrastructure, national road maintenance, and mission-critical power generation support.
Comprehensive turnkey tower infrastructure for regional connectivity.
Critical transport artery refurbishment ensuring year-round economic transport.
Critical power support and maintenance for high-reliability operations.
National telecommunications backbone ducting and splicing infrastructure.
CSTL owns and deploys heavy machinery and specialized tooling to ensure autonomy and rapid mobilization on remote sites.
Excavators, heavy dump trucks, motor graders, and industrial concrete mixers.
Industrial air compressors, heavy mobile diesel generators, and distribution switchgear.
Multi-process code welding machines, fusion fiber-optic splicers, and OTDR test suites.
Ruggedized 4×4 deployment vehicles, fuel bowsers, and field technician mobile workshops.
Talk to Core Support Tanzania Limited about your engineering, industrial plant maintenance, infrastructure, and workforce requirements. We provide rapid technical assessment and commercial proposals.
