Company lists · Data refreshed November 2026

Top 8 Civil engineering companies based in Tanzania

Find 46 civil engineering companies based in Tanzania, with 1,071 business contacts and 270 email addresses, as of November 2026. The companies provide services for infrastructure, land development, transportation, water systems, and related construction projects. Dar Es Salaam is the single most-represented city among the companies listed.

Civil engineering companies plan, design, manage, and oversee infrastructure and land development projects, including transportation systems, utilities, water resources, and structural site work. This list covers companies that provide civil engineering, infrastructure planning, site development, surveying, project management, or related engineering services. Ranked by team size, largest first. Data current as of November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Nov 6, 2026 86% judged on-target in blind review
46Companies
1,071Contacts tracked
270Verified emails
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The 8 largest civil engineering companies based in Tanzania

Ranked by team size
Top 8 of 46 civil engineering companies based in Tanzania, ranked by team size, largest first. Data refreshed Nov 6, 2026. RevenueBase Smart Search rates how each company's information relates to civil engineering companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceDar Es Salaam, TanzaniaHQ checked Nov 6, 20261,001-5,000334 contacts →

Indirect evidence

“From one small truck in Kenya 25 years ago, Estim Construction has grown to become a large, well-respected building and construction company providing project services to public…”

Source: RevenueBase Database · checked Nov 6, 2026
2Partial evidenceDar Es Salaam, TanzaniaHQ checked Nov 6, 202651-20047 contacts →

Partial evidence

“We are dedicated group of Engineers providing Advanced Engineering Solution to both Contractor's and consultant.”

Source: RevenueBase Database · checked Nov 6, 2026
3Indirect evidenceDar-es-salaam, TanzaniaHQ checked Nov 6, 202651-20041 contacts →

Indirect evidence

“Welcome to Kings Builders Limited, a distinguished multi-disciplinary construction company that has been shaping the infrastructural landscape since its inception in 2009.”

Source: RevenueBase Database · checked Nov 6, 2026
4Indirect evidenceDar Es Salaam, TanzaniaHQ checked Nov 6, 202651-20040 contacts →

Indirect evidence

Source: RevenueBase Database · checked Nov 6, 2026
5Partial evidenceDodoma, TanzaniaHQ checked Nov 6, 202651-20039 contacts →

Partial evidence

“Sihotech Engineering is a leading firm specializing in providing innovative engineering solutions across diverse industries, including construction, manufacturing, energy…”

Source: RevenueBase Database · checked Nov 6, 2026
6Indirect evidenceDar Es Salaam, TanzaniaHQ checked Nov 6, 202651-20025 contacts →

Indirect evidence

“We provide Services in the following categories- Telecommunications Networks Fiber Networks Water Networks Building & Structures Road Networks ICT Solutions & Aviation Solutions”

Source: RevenueBase Database · checked Nov 6, 2026
7Strong evidenceDar Es Salaam, TanzaniaHQ checked Nov 6, 202651-20010 contacts →

Strong evidence

“CONFIANCE CONSTRUCTION is a civil engineering company based in Dar Es Salaam, Tanzania”

Source: RevenueBase Database · checked Nov 6, 2026
8Partial evidenceDar Es Salaam, TanzaniaHQ checked Nov 6, 202611-508 contacts →

Partial evidence

“DumaSpeed is a leading supply chain and engineering firm specializing in the development and management of critical infrastructure projects across Tanzania.”

Source: RevenueBase Database · checked Nov 6, 2026

Showing 8 of 46 civil engineering companies based in Tanzania

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Civil engineering companies based in Tanzania at a glance

As of Nov 6, 2026
25.2%Verified-email coverage
23.3Average contacts per company
11-50Median size (employees)
60.9%Largest-city concentration · Dar Es Salaam
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
13
11-50
17
51-200
10
201-500
3
501-1,000
2
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Tanzania, so it is reported there. Company counts and contact totals on this page are exact for Tanzania, over 46 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among civil engineering companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Tanzania whose own description of what they do matches “civil engineering companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names civil engineering companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among civil engineering companies, and records with no verified work email. Companies headquartered outside Tanzania are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 270 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What do civil engineering companies do?

Civil engineering companies plan, design, and oversee infrastructure and land development projects, including roads, bridges, utilities, water systems, and site work.

How many civil engineering companies are based in Tanzania?

The list contains 46 civil engineering companies based in Tanzania.

Which city has the most civil engineering companies?

Dar Es Salaam is the single most-represented city among the companies on this list.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.