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National Drainage & Irrigation Authority

Repeat buying pattern with 2 repeat suppliers and 4 repeat categories.

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This free profile shows visible awards, active tender signals, repeat suppliers, category concentration, and value coverage. It is designed to prove the buyer pattern before a paid report adds interpretation, evidence packs, and recommended actions.

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Confidence Useful buyer signal Based on normalized award history, recent tender signals, and visible source fields.
Known values 35% 13 awards show value as not published.
Review note Partial records retained Records stay searchable even when supplier or value fields need review.

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This page separates published facts from fields that were not visible in the source record. The buying pattern remains useful because missing amounts and partial records are counted instead of hidden.

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20 Awards issued
24 Dec 2025 Most recent award
12 Apr 2022 First known award
0 Recent tenders tracked

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This preview shows the buying-pattern signals a full agency brief would expand with supplier shortlists, category history, and tender follow-up.

Buyer signal Useful buyer signal Diversified pattern by supplier and Moderate concentration by category.
Supplier concentration 25% Diversified pattern: General Engineering Supplies & Services C Inc.
Category concentration 40% Moderate concentration: Transport
Report depth 0 tenders tracked Full report adds buyer watchlist, repeat suppliers, and source-backed evidence.
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Business Intelligence Signals

Diversified pattern by supplier and Moderate concentration by category.

Repeat buying 2 repeat suppliers 4 repeat categories in normalized awards.
Supplier concentration Diversified pattern General Engineering Supplies & Services C Inc. accounts for 25% of awards.
Value coverage 35% 13 awards are missing contract value.
Primary method NCB 20 awards use this method.
Tender activity 0 tenders Tender count is shown alongside awards from 2022 to 2025.
25% Diversified pattern: General Engineering Supplies & Services C Inc.
40% Moderate concentration: Transport
15/4 Supplier/category diversity
Useful buyer signal Based on normalized award history

Contract Value By Currency

Currency Awards With value Total value Average value
G$ 20 7 G$ 302,414,300 G$ 43,202,043

Top Suppliers

Showing 1-15 of 15

SupplierAwardsTotal value
General Engineering Supplies & Services C Inc. 5 53,560,000
Seeram Civil Engineering and Woodworking Establishment 2 n/a
A. Alli Construction 1 20,139,400
CAJ Construction Services 1 n/a
Colin Talbot Contracting Service 1 130,289,250
D. Sawh Mechanical Workshop 1 n/a
General Engineering Supplies & Services C Inc. L1 1 n/a
General Engineering Supplies & Services C Inc. L2 1 n/a
General Engineering Supplies & Services C Inc. L3 1 n/a
General Engineering Supplies & Services C Inc. L4 1 n/a
K. Kusial General Contractor 1 22,000,000
M Sukhai Contr Serv 1 37,875,300
NP Investment 1 17,200,540
Persaud Engineering & Hydraulic Services 1 21,349,810
Triple A General Contracting Services 1 n/a

Top Categories

Showing 1-4 of 4

CategoryAwardsTotal value
Transport 8 n/a
Construction 5 209,653,760
Security 4 n/a
Other 3 92,760,540

Procurement Methods

MethodAwards
NCB 20

Award Activity By Year

YearAwards
2025 9
2024 6
2022 1

Recent Awards

Showing 1-20 of 20

Award Supplier Category Method Date Value
National Drainage & Irrigation Authority - Transportation of Fuel and Lubricants for the National Drainage and Irrigation Authority for Regions No 3,4 and 5 for 2026 Lots 1-3 Seeram Civil Engineering and Woodworking Establishment Transport NCB 24 Dec 2025 Value not published
National Drainage & Irrigation Authority - Transportation of Fuel and Lubricants for the National Drainage and Irrigation Authority for Regions No 3,4 and 5 for 2026 Lots 1-3 Seeram Civil Engineering and Woodworking Establishment Transport NCB 24 Dec 2025 Value not published
National Drainage & Irrigation Authority - Transportation of Fuel and Lubricants for the National Drainage and Irrigation Authority for Regions No 3,4 and 5 for 2026 Lots 1-3 CAJ Construction Services Transport NCB 24 Dec 2025 Value not published
National Drainage & Irrigation Authority - Transportation of Fuel and Lubricants for the National Drainage and Irrigation Authority for Regions No 3,4 and 5 for 2026 Lots 1-3 General Engineering Supplies & Services C Inc. L1 Transport NCB 24 Dec 2025 Value not published
National Drainage & Irrigation Authority - Transportation of Fuel and Lubricants for the National Drainage and Irrigation Authority for Regions No 3,4 and 5 for 2026 Lots 1-3 General Engineering Supplies & Services C Inc. L2 Transport NCB 24 Dec 2025 Value not published
National Drainage & Irrigation Authority - Transportation of Fuel and Lubricants for the National Drainage and Irrigation Authority for Regions No 3,4 and 5 for 2026 Lots 1-3 General Engineering Supplies & Services C Inc. L3 Transport NCB 24 Dec 2025 Value not published
National Drainage & Irrigation Authority - Transportation of Fuel and Lubricants for the National Drainage and Irrigation Authority for Regions No 3,4 and 5 for 2026 Lots 1-3 General Engineering Supplies & Services C Inc. L4 Transport NCB 24 Dec 2025 Value not published
National Drainage & Irrigation Authority - Transportation of Fuel and Lubricants for the National Drainage and Irrigation Authority for Regions No 3,4 and 5 for 2026 Lots 1-3 D. Sawh Mechanical Workshop Transport NCB 24 Dec 2025 Value not published
National Drainage & Irrigation Authority - Construction of Drainage Structure and Excavation of Drain at St. Joseph, Charity New Housing Area,Region # 2 Triple A General Contracting Services Construction NCB 19 Dec 2025 Value not published
National Drainage & Irrigation Authority - Supply and Delivery of One N0.40 Cusec Mobile Pump to NDIA General Engineering Supplies & Services C Inc. Other NCB 18 Jul 2024 G$ 53,560,000
National Drainage & Irrigation Authority - Construction of Timber Revetment on North Access at Riverstown Itribusi Conservancy A. Alli Construction Construction NCB 27 Jun 2024 G$ 20,139,400
National Drainage & Irrigation Authority - Construction of Timber Revetment at Baracara School, Baracara Persaud Engineering & Hydraulic Services Construction NCB 27 Jun 2024 G$ 21,349,810
National Drainage & Irrigation Authority - Construction of Drainage Structures at Amazon Region N0.2 M Sukhai Contr Serv Construction NCB 24 Jun 2024 G$ 37,875,300
National Drainage & Irrigation Authority - Rehabilitation of Farm to Market Road at La Harmonie Colin Talbot Contracting Service Construction NCB 24 Jun 2024 G$ 130,289,250
National Drainage & Irrigation Authority - K. Kusial General Contractor Other NCB 22 Apr 2024 G$ 22,000,000
National Drainage & Irrigation Authority - Rehabilitation of drainage Culvert in Diamond, East Bank Demerara NP Investment Other NCB 12 Apr 2022 G$ 17,200,540
National Drainage & Irrigation Authority - Operation and Security of NDIA Mobile and Fix Pumps Within Regions No. 2,3,4, and Georgetown (January 1 to December 31,2026) Lots 1-4 General Engineering Supplies & Services C Inc. Security NCB n/a Value not published
National Drainage & Irrigation Authority - Operation and Security of NDIA Mobile and Fix Pumps Within Regions No. 2,3,4, and Georgetown (January 1 to December 31,2026) Lots 1-4 General Engineering Supplies & Services C Inc. Security NCB n/a Value not published
National Drainage & Irrigation Authority - Operation and Security of NDIA Mobile and Fix Pumps Within Regions No. 2,3,4, and Georgetown (January 1 to December 31,2026) Lots 1-4 General Engineering Supplies & Services C Inc. Security NCB n/a Value not published
National Drainage & Irrigation Authority - Operation and Security of NDIA Mobile and Fix Pumps Within Regions No. 2,3,4, and Georgetown (January 1 to December 31,2026) Lots 1-4 General Engineering Supplies & Services C Inc. Security NCB n/a Value not published

Recent Tenders

Tender Category Status Published Bid opening

No tenders found for this agency.