Kalem İnşaat

What Kalem İnşaat does

Kalem İnşaat is a Turkish private construction and infrastructure services company headquartered in Bağlar, Diyarbakır, with a branch office in Çankaya, Ankara. Founded in 2000 by Abdül Bahri Kaya and Mehmet Gafur Kaya, the company operates a diversified portfolio of civil works spanning four primary verticals: telecommunications access network construction and maintenance, large water structures and irrigation systems, electrical distribution networks, and mining/fossil fuel excavation including overburden removal and coal extraction. Core technical capabilities rest on a modern machine and equipment park combined with an experienced technical workforce, supported by ISO 9001, ISO 14001, and ISO 45001 certifications.

The company's commercial model is project-based contracting secured primarily through Turkish public procurement (government tenders) and direct negotiations with state-owned enterprises. Key named clients include Türk Telekom (an uninterrupted customer since founding), Devlet Su İşleri (DSİ), Dicle Elektrik Dağıtım, Türksat, YEAŞ, and Yatağan Termik Enerji. Geographic reach spans at least six Turkish regions (Eastern, Southeastern, Central, Marmara, Aegean, and Mediterranean Anatolia), and the company references both domestic Turkey-wide and international project activity. The entity operates as a founder-owned limited partnership with no evidence of external investment, private equity involvement, or public listing.

Name

Kalem İnşaat

Legal name

KALEM NAK. İNŞ. TURZ. PETR.ÜRN.SAN.VE TİC.LTD.ŞTİ

Website

https://kalem-insaat.com.tr

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Kalem İnşaat is a Turkish private construction firm, founded in 2000, delivering telecom network, irrigation, water structure, electrical distribution, and mining excavation services primarily to government and state-owned enterprise clients across multiple Turkish regions.

Ownership category

akta.pro rank

Product category

Civil Engineering and Infrastructure Construction

NAICS

Water and Sewer Line and Related Structures Construction (237110), Power and Communication Line and Related Structures Construction (237130)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623)

akta.pro primary industry

Hydro BOP Civil & Water Conveyance (Dams, Spillways, Penstocks, Canals) (EUAMAFAG)

akta.pro secondary industries

Storage & Conveyance Structures (Reservoirs, Tanks, Culverts, Tunnels) (IMAFAGAE), Civil & Site Works EPC (Earthworks, Roads, Drainage, Foundations) (EUAEADAA), Overhead & Underground Collection System Construction (MV/HV Lines, Duct Banks) (EUAEADAG)

Keywords

• Infrastructure construction services
• Telecommunications network construction
• Irrigation and water structures
• Electrical distribution networks
• Mining excavation services

Headquarters

HQ city

Bagcilar

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Marketing or Sales

Revenue model

1. Construction and Infrastructure Services: Provides construction services for telecommunications infrastructure, irrigation systems, large water structures, and mining support projects. Revenue is generated through project-based contracts with government agencies and private companies.

Distribution channels1 record

Core offering

Kalem İnşaat is a Turkish construction and infrastructure contractor founded in 2000 that delivers large water structures (dams, irrigation systems), telecommunications network construction and maintenance, electrical distribution networks, civil infrastructure (roads, bridges), superstructure (residential, commercial, industrial buildings), and mining excavation including overburden removal and coal extraction. The company primarily serves government agencies and state-owned enterprises through public tenders and project-based contracts.

Product overview

Kalem İnşaat is a construction company offering a diversified portfolio of infrastructure and civil engineering services. The company's core offerings span three main areas: (1) Large Water Structures (Büyük Su Yapıları) and Irrigation Construction for agricultural water management, (2) Telecommunications Network services for Türk Telekom and Türksat including access network construction and maintenance, and (3) Electrical Distribution Network services. Additionally, the company provides mining and fossil fuel excavation services including overburden removal and coal extraction operations for thermal power facilities. The company operates primarily as a public works contractor serving government entities and large state-owned enterprises.

Differentiator

Problem solved

Functional benefit

Products and services

• Büyük Su Yapıları (Large Water Structures) Construction of major water infrastructure projects including dams, irrigation systems, and water distribution networks for public sector clients such as DSİ (State Hydraulic Works).
• Alt Yapı (Infrastructure) Civil infrastructure construction services including roads, bridges, and utility networks such as medium/high voltage electrical distribution work for clients including Dicle Elektrik Dağıtım A.Ş.
• Üst Yapı (Superstructure) Building construction and superstructure development services for residential, commercial, and industrial projects, including food and bread factory construction for clients such as Esenlik İmar İnşaat Ticaret A.Ş.
• Telekomünikasyon Şebekesi (Telecommunications Network) Installation, maintenance, and construction of telecommunications infrastructure including access networks, cable systems, and related facilities for Türk Telekom and Türksat.
• Sulama İnşaatları (Irrigation Construction) Irrigation system construction and water management projects for agricultural purposes, including canal systems and pumping stations, executed for DSİ (State Hydraulic Works).
• Elektrik Dağıtım Şebekeleri (Electrical Distribution Networks) Construction and maintenance of low and medium voltage electrical distribution networks, including fault repair, maintenance, and customer services for Dicle Elektrik Dağıtım A.Ş.
• Maden/Fosil Yakıt Kazı ve Dekapaj (Mining/Fossil Fuel Excavation and Overburden Removal) Large-scale excavation, overburden removal, and coal mining operations for thermal power plants, including loading, transport, and stockyard operations for clients such as Yatağan Termik Enerji and YEAŞ.

Named customers7 records

Segments2 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Limak İnşaat: One of Türkiye's largest EPC contractors, active in dam and irrigation construction, energy infrastructure, and airports — directly comparable in scope to Kalem İnşaat's DSİ irrigation and dam-related BOP work.
• Kolin İnşaat: Major Turkish EPC contractor with parallel exposure to water infrastructure, energy, transportation and telecom projects, frequently bidding on the same DSİ and SOE tenders as Kalem İnşaat.
• Özaltın İnşaat: Turkish contractor known for large dam, irrigation, and infrastructure projects (including DSİ works) — a head-to-head competitor for the same public water-infrastructure tenders.
• Nurol İnşaat: Diversified Turkish EPC group active in infrastructure, energy, and utilities — competing for DSİ, telecom, and electrical distribution contracts across multiple provinces.
• STFA İnşaat: Long-established Turkish civil and infrastructure contractor with deep experience in water, marine, and energy projects — comparable in delivery profile to Kalem İnşaat's multi-sector public works.
• Doğuş İnşaat ve Ticaret: Large Turkish contractor active in infrastructure, energy, and superstructure projects, frequently partnering on public tenders of the same type Kalem İnşaat pursues.
• MNG Holding: Turkish conglomerate with construction and infrastructure subsidiaries executing public-sector projects in energy, mining, and civil works — overlaps with Kalem İnşaat's mining overburden and infrastructure portfolio.
• Fernas İnşaat: Turkish EPC contractor active in energy, mining, and infrastructure works for SOE clients; competes for similar mining-overburden and power-plant support contracts as Kalem İnşaat does for YEAŞ and Yatağan Termik.
• YDA Group: Turkish construction group active in superstructure, infrastructure, and energy projects, including public-sector tenders — a peer on building and infrastructure construction contracts similar to those Kalem İnşaat executes.

Broad incumbents

• GAMA Power Systems: Established Turkish EPC firm focused on power plant construction with broader international presence; competes for energy-infrastructure work adjacent to Kalem İnşaat's mining and thermal-power support.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/kalem-insaat

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Kalem İnşaat