K3Delta
K3Delta is a Dutch family-owned sand and gravel extraction company that supplies aggregates to the Dutch construction and infrastructure sectors, financed extraction projects combined with nature area development, and operates vertically integrated extraction, processing, wet earthmoving, hydrographic surveying, and barge logistics across multiple Dutch sites.
- Company typePrivate
- Founded-
- HeadquartersAndelst, Netherlands
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What K3Delta does
K3Delta Zand & Grind B.V. is a Dutch sand and gravel extraction company headquartered in Andelst, Netherlands, operating as the primary extraction entity within the family-owned K3 organisatie. The company extracts and processes sand and gravel at approximately 11 sites across the Netherlands — including Lingemeren, Gendt, Bemmel, Havikerwaard, Millingerwaard, Gendtse Waard, Ooijse Graaf, Molenkampen, Amerika, Amsterdam K3DEME, and others — serving the Dutch construction sector with a range of sand fractions (0-2, 0-4, 0-8) and gravel fractions (2-8, 4-8, 4-16, 4-32, 8-16, 8-22, 16-32) for housing, roads, and infrastructure. Technical operations rely on a fleet of suction dredgers — including the Jan Willem 3 capable of 50-meter deep extraction — on-site classification and washing plants, multibeam survey boats, drones, and a barge- and truck-based logistics operation managed by an in-house shipping planner.
The company is vertically integrated beyond extraction: it provides wet earthmoving (nat grondverzet) services for hydraulic dredging, lake rehabilitation, and underwater slope reconstruction, and runs a dedicated surveying division (Meetdienst) that delivers bathymetric measurements, volume calculations, and terrain modeling. A distinctive element of the business model is that extraction revenues finance integrated area development — partnerships with Staatsbosbeheer, ARK Rewilding Nederland, Landgoed Middachten, Geldersch Landschap & Kasteelen, and others have produced 400 hectares of dynamic river nature at Millingerwaard (completed 2022), 220 hectares under development at Gendtse Waard, the multi-phase Lingemeren nature-residential-recreation area, and the Ooijse Graaf marsh restoration (started December 2024).
K3Delta sells B2B directly to construction companies, infrastructure contractors, sports field builders, and public authorities via usage-based pricing with publicly disclosed diesel, electricity, gasoil, and Marine Gasoil surcharges tied to TLN, APX, KBN, and Ship & Bunker Rotterdam indices. Revenue figures are not disclosed. The company employs approximately 200 people across the broader K3 organization (51-100 attributed to K3Delta specifically), holds CSC Gold/Silver/Bronze sustainability certifications — being the first sand-and-gravel producer worldwide to receive a CSC certificate — alongside ISO 9001, VCA**, BENOR, KOMO, and CO2-bewust niveau 3, and targets CO2-neutral operations by 2030 through fleet electrification and on-site solar generation.
K3Delta firmographics
Firmographics- Name
- K3Delta
- Legal name
- K3Delta Zand & Grind B.V.
- Website
- https://www.k3delta.nl
- Company type
- Private
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- K3Delta is a Dutch family-owned sand and gravel extraction company that supplies aggregates to the Dutch construction and infrastructure sectors, financed extraction projects combined with nature area development, and operates vertically integrated extraction, processing, wet earthmoving, hydrographic surveying, and barge logistics across multiple Dutch sites.
- Ownership category
- akta.pro rank
K3Delta industry classification
Industry- Product category
- Construction aggregates (sand and gravel extraction)
- NAICS
- Nonmetallic Mineral Mining and Quarrying (2123)
- SIC
- Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400)
- akta.pro primary industry
- Sand & Gravel Extraction & Processing (IMAKAHAB)
- akta.pro secondary industry
- Hauling, Spoil Management & Disposal (Muck Away) (IMAFAKAJ)
Keywords
Where K3Delta is headquartered
LocationHeadquarters
- HQ city
- Andelst
- HQ country
- Netherlands
- HQ region
- Europe
Offices13 records
Markets served
K3Delta business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Operations, Personnel, Infrastructure, Supply Chain, Technology or R&D, Marketing or Sales
Revenue model
- Sand and gravel extraction and supply: K3Delta extracts sand and gravel from multiple Dutch locations, processes it through on-site classification and washing plants, and supplies it to the Dutch construction sector. Products include various sand fractions (0-2, 0-4, 0-8) and gravel fractions (2-8, 4-8, 4-16, 4-32, 8-16, 8-22, 16-32). Sales are conducted directly to customers, with delivery by barge (preferred) and truck. Pricing includes surcharges for fuel and energy costs based on market indices.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Usage-based | Pay-as-you-go | Diesel surcharge for truck deliveries |
| Usage-based | Monthly | Energy surcharge for electricity |
| Usage-based | Monthly | Gasoil surcharge for ships |
| Usage-based | Monthly | Marine Gasoil surcharge for ships |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels8 records
K3Delta product offering
Product offeringCore offering
K3Delta extracts, processes, and supplies construction sand and gravel from multiple Dutch extraction sites for the building, road, and infrastructure sectors. The company complements its raw materials business with two dedicated service lines: nat grondverzet (wet earthmoving/hydraulic dredging for rehabilitation and reshaping of extraction pits) and a meetdienst (hydrographic surveying and volume measurement service using multibeam boats and drones). A distinctive feature is the integration of extraction with sustainable area development, where extraction revenues finance nature creation and flood-safety projects.
Product overview
K3Delta operates as a sand and gravel extraction company within the broader K3 organization. The company offers a portfolio centered on extracting and processing sand (zand) and gravel (grind) as core products, complemented by specialized wet earthmoving services (nat grondverzet) and professional surveying/measurement services (meetdienst). The extracted materials serve primarily the Dutch construction sector for applications including housing construction, road infrastructure, and sports field development. A distinctive aspect of K3Delta's operations is the integration of extraction activities with nature area development, creating new natural habitats alongside resource extraction.
Differentiator
Problem solved
Functional benefit
Products and services
- Zandwinning (Sand Extraction) Extraction, on-site processing via classification and washing plants, and supply of construction sand in standard fractions (0-2, 0-4, 0-8) for the Dutch building, road, and infrastructure sectors. Customers are primarily construction companies, contractors, and infrastructure builders.
- Grindwinning (Gravel Extraction) Extraction and processing of gravel in standard fractions (2-8, 4-8, 4-16, 4-32, 8-16, 8-22, 16-32) for concrete production and civil engineering infrastructure projects across the Netherlands.
- Nat Grondverzet (Wet Earthmoving) Specialized hydraulic dredging service deploying suction dredgers to pump sand deposits, reshape underwater slopes, and perform precision earthmoving for rehabilitation of extraction lakes and construction projects on land and in water. Delivered directly to customer project sites across the Netherlands.
- Meetdienst (Survey Services) Professional hydrographic surveying service using multibeam survey boats, drones, and specialized instruments to measure depths, heights, and volumes both underwater and on land, producing terrain models for cartography and volume determination for client projects across the Netherlands.
Quantifiable outcome
- CO2 reduction of approximately 25% achieved through electrification of suction dredgers on fixed operating locations (measured 2022 vs. 2017 baseline)
- +5 more outcomes
Companies that use K3Delta
Customer profileNamed customers5 records
Segments3 records
Ideal customer profiles3 records
K3Delta technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
K3Delta partnerships and signals
Strategic signalPartnerships
14 partnerships are on record, tiered core and minor.
- ARK Rewilding NederlandcoreK3Delta and ARK Rewilding Nederland collaborate on the Ooijse Graaf project to restore and develop a river marsh area along an old branch of the Waal river near Nijmegen. The partnership aims to combat dehydration of the area, create valuable reed marsh habitat, and develop the area as a nature, recreation, and agriculture zone. Sand extraction funds the nature development. Project started December 2024.
- StaatsbosbeheercoreK3Delta and Staatsbosbeheer collaborate on multiple area development projects including the Gendtse Waard (220 hectares), Millingerwaard, and Bemmelse Waard. Staatsbosbeheer serves as the nature management partner after development, while K3Delta finances development through sand and gravel extraction.
- Steenfabriek De Zandberg (Rodruza)coreSteenfabriek De Zandberg (part of Rodruza) is a co-developer in the Gendtse Waard project, collaborating on the 220-hectare dynamic river nature area development.
- Stichting Lingewaard NatuurlijkminorStichting Lingewaard Natuurlijk is a close consultation partner in the Gendtse Waard project, contributing to area planning and community engagement.
- Landgoed MiddachtencoreK3Delta and Landgoed Middachten collaborate on the Havikerwaard-Zuid project since September 2017. The project creates a nevengeul (side channel) along the IJssel for flood safety, new nature areas, cycling and walking routes, and contributes to long-term preservation of Kasteel Middachten. Partnership also covers plans for Havikerwaard-Zuid expansion in the northeastern direction.
- eCoBuren (Energy Cooperative Buren)coreeCoBuren is a local energy cooperative in Buren municipality collaborating with K3Delta on the Molenkampen floating solar park project. They explore financial participation opportunities for local residents and businesses and are investigating community ownership of the solar park. SDE++ subsidy was awarded in spring 2022.
- NovarcoreNovar is the solar park developer that took over the floating solar park development at the Molenkampen from Vattenfall at the end of 2025. Novar will execute the construction of the floating solar park, which is planned to generate renewable electricity for approximately 5,000 households.
- Geldersch Landschap & KasteelencoreGeldersch Landschap & Kasteelen collaborates with K3Delta on the Molenkampen project near Beusichem, where K3Delta's extraction creates a new nature area that will be handed over to Geldersch Landschap upon completion (mid-2026).
- BoskalisminorBoskalis was a co-executor on the Millingerwaard project, a large-scale river nature development completed in 2022. The project combined extraction, flood safety, and nature creation in the Natura 2000 area 'Rijntakken'.
- WeteringminorWetering was a co-executor on the Millingerwaard project alongside K3Delta, Boskalis, and Staatsbosbeheer.
- WienerbergerminorWienerberger collaborates with K3Delta and Staatsbosbeheer on the Wolfswaard project, with the shared ambition to develop the Wolfswaard area.
- Gemeente BurenminorGemeente Buren is the local government partner for the Lingemeren project area development and the Natuureilanden plan, providing planning permissions and municipal coordination.
- Gemeente Neder-BetuweminorGemeente Neder-Betuwe partners with K3Delta on the Lingemeren project and jointly runs the Landschapsfonds Neder-Betuwe (€10,000 annual prize for local landscape ideas). The municipality also participates in the project committee of recommendation.
- Geldersch Landschap & KasteelenminorGeldersch Landschap & Kasteelen participates in the Landschapsfonds committee of recommendation alongside K3Delta and Gemeente Neder-Betuwe.
Scale indicators7 records
Recent moves11 records
Expansion highlights7 records
K3Delta competitors and assessment
Company assessmentDirect peers
- Koninklijke Smals: Dutch family-owned sand and gravel extraction and supply company operating across the Netherlands. Directly comparable to K3Delta on core activity (aggregate winning for the Dutch construction sector), customer base, and barge-based logistics.
- Gebr. Van der Lee: Dutch sand and gravel producer with multiple extraction sites in the Netherlands serving concrete, mortar, and infrastructure markets. Closely comparable product portfolio (multiple sand and gravel fractions) and domestic B2B construction customer base.
- BASAL Bouwmaterialen: Dutch concrete and aggregates producer and supplier operating across the Netherlands. Comparable in combining primary aggregates supply with downstream concrete products for the Dutch construction sector.
Broad incumbents
- Wienerberger: Austrian-listed global manufacturer of clay building products (bricks, roof tiles) and pipe systems, with adjacent aggregates and clay-extraction activities in the Netherlands. Already partnered with K3Delta on Wolfswaard — comparable raw-materials footprint and area-development interests.
- Heidelberg Materials: One of the world's largest building materials groups, active in aggregates, cement, and ready-mixed concrete across Europe including the Netherlands. Comparable end-market exposure (construction aggregates) but vastly larger and more diversified portfolio.
- CRH plc: Irish-listed global building materials leader with extensive European aggregates operations. Competes with K3Delta for Dutch and Northwest European aggregate supply but operates at much greater scale and geographic breadth.
- Holcim: Swiss global building materials company covering cement, aggregates, and concrete with European-wide operations. Comparable in selling aggregates into construction markets, but with a substantially broader product portfolio and geographic footprint.
- Sibelco: Belgian-headquartered global industrial minerals company active in silica sand and specialty aggregates across Europe. Comparable on extraction and processing of mineral sands, but serves different downstream markets (glass, foundry, industrial) than construction-focused K3Delta.
Regional players
- Mourik: Dutch industrial services and environmental contractor with dredging, remediation, and civil engineering capabilities. Comparable on wet earthmoving, dredging, and area-development services that overlap with K3Delta's Nat Grondverzet operations.
Emerging players
- Boskalis: Dutch-headquartered global dredging and maritime services company. Already co-executed the Millingerwaard project with K3Delta. Comparable on hydraulic engineering and large-scale nature-development works, though its primary business is offshore/harbor dredging rather than aggregates extraction.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks7 records
Key highlights7 records
Customer concentration
K3Delta social profiles
Digital presenceK3Delta compliance and trust
Trust signalCompliance11 records
K3Delta financial estimates
Financial estimateRevenue estimate
Valuation estimate
K3Delta leadership team
Management profileNumber of profiles
Profiles11 records
K3Delta subsidiaries and ownership
Company hierarchySubsidiaries1 record
K3Delta funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
K3Delta M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about K3Delta
What does K3Delta do?
K3Delta extracts, processes, and supplies construction sand and gravel from multiple Dutch extraction sites for the building, road, and infrastructure sectors. The company complements its raw materials business with two dedicated service lines: nat grondverzet (wet earthmoving/hydraulic dredging for rehabilitation and reshaping of extraction pits) and a meetdienst (hydrographic surveying and volume measurement service using multibeam boats and drones). A distinctive feature is the integration of extraction with sustainable area development, where extraction revenues finance nature creation and flood-safety projects.
Is K3Delta a public or private company?
K3Delta is a private company. It is classified as family owned and is currently operating.
When was K3Delta founded?
K3Delta was founded in -1. It employs 51 to 100 people.
Where is K3Delta based?
K3Delta is headquartered in Andelst, Netherlands, in the Europe region.
How does K3Delta make money?
One revenue line is on record: sand and gravel extraction and supply.
Who are K3Delta's main competitors?
Direct peers on record are Koninklijke Smals, Gebr. Van der Lee and BASAL Bouwmaterialen. Broad incumbents are Wienerberger, Heidelberg Materials, CRH plc, Holcim and Sibelco. Mourik is listed as a regional player. Boskalis is listed as an emerging player.
Does K3Delta have an API?
No public API is recorded for K3Delta.
What industry is K3Delta in?
K3Delta's product category is Construction aggregates (sand and gravel extraction). Its primary akta.pro industry code is IMAKAHAB, Sand & Gravel Extraction & Processing, with a secondary code of IMAFAKAJ, Hauling, Spoil Management & Disposal (Muck Away). Its NAICS code is 2123 and its SIC code is 1400.