# Professional, scientific, technical tenders in South Africa Open tenders: 695. Updated 2026-10-28. Page 29 of 35. - [Service, Maintenance, Calibration, Supply of spares and consumables of Lab Instruments at Duvha Power Station on as and when required basis for a period of 60 Months.](https://za.bidwunder.com/tenders/service-maintenance-calibration-supply-of-spares-and-consumables-of-lab-instrume-76ec6b6f.md) - Eskom - Generation, Mpumalanga, closes 2026-10-30 - [REFURBISHMENT OF METAL SEATED BUTTERFLY VALVE FOR USE AS CW ISOLATION VALVE ON MAIN CONDENSER ISOLATION VALVES (T1 AND T2 VALVES) FOR ONCE-OFF BASIS.](https://za.bidwunder.com/tenders/refurbishment-of-metal-seated-butterfly-valve-for-use-as-cw-isolation-valve-on-m-871ff8bb.md) - Eskom - Generation, Mpumalanga, closes 2026-11-30 - [The establishment of an enabling agreement for the provision of SPU meter reading services for the various areas in KZN Operating Unit, in Central East Cluster for Distribution Division (on an as and when required basis) for a period of thirty-six (36) months.](https://za.bidwunder.com/tenders/the-establishment-of-an-enabling-agreement-for-the-provision-of-spu-meter-readin-97fe54ed.md) - Eskom - Distribution, KwaZulu-Natal, closes 2026-11-10 - [Provision of GIS and remote sensing services and spatial datasets on an as-and-when-required basis for a period of five years.](https://za.bidwunder.com/tenders/provision-of-gis-and-remote-sensing-services-and-spatial-datasets-on-an-as-and-w-aa6e1a27.md) - Eskom - Distribution, Gauteng, closes 2026-10-30 - [PROVISION OF PROFESSIONAL SERVICES FOR DEVELOPMENT OF AN INTEGRATED INFRASTRUCTURE ASSET MANAGEMENT PLAN FOR BLUE CRANE ROUTE MUNICIPALITY FOR A PERIOD OF THREE 03 YEARS](https://za.bidwunder.com/tenders/provision-of-professional-services-for-development-of-an-integrated-infrastructu-2725dd35.md) - Blue Crane Route Local Municipality, Eastern Cape, closes 2026-10-30 - [02 - 2026 Panel of Events Coordinators](https://za.bidwunder.com/tenders/02-2026-panel-of-events-coordinators-4721de55.md) - uMgungundlovu District Municipality, KwaZulu-Natal, closes 2026-11-03 - [12 - 2026 Panel for Information Technology](https://za.bidwunder.com/tenders/12-2026-panel-for-information-technology-b6baed37.md) - uMgungundlovu District Municipality, KwaZulu-Natal, closes 2026-11-02 - [ESTABLISHMENT OF A PANEL OF FIVE(5) AUDIT FIRMS TO RENDER PROBITY AUDIT SERVICES TO LIMPOPO DEPARTMENT OF CO-OPERATIVE GOVERNANCE, HUMAN SETTLEMENT AND TRADITIONAL AFFAIRS ( COGHSTA) IN THE PROCUREMENT OF INFRASTRUCTURE SERVICES, GOODS AND SERVICES FOR THIRTY-SIX(36) MONTHS.](https://za.bidwunder.com/tenders/establishment-of-a-panel-of-five-5-audit-firms-to-render-probity-audit-services-09a465af.md) - Limpopo - Co-operative Governance, Human Settlements and Traditional Affairs, Limpopo, closes 2026-11-03 - [ADDITIONAL DATABASE FOR GEOTECHNICAL ENGINEERING FIRMS TO CONDUCT GEOTECHNICAL INVESTIGATION PHASE 1 AND PHASE 2 IN LINE WITH MINIMUM REQUIREMENTS AND IN ACCORDANCE WITH THE GEOTECHNICAL SITE INVESTIGATIONS FOR HOUSING DEVELOPMENT FOR THREE(3) YEARS(2026/27 UNTIL 2028/29 FINANCIAL YEARS)](https://za.bidwunder.com/tenders/additional-database-for-geotechnical-engineering-firms-to-conduct-geotechnical-i-858818c8.md) - Limpopo - Co-operative Governance, Human Settlements and Traditional Affairs, Limpopo, closes 2026-11-06 - [DATABASE OF CONTRACTORS FOR CONSTRUCTION OF BULK ENGINEERING SERVICES IN VARIOUS MUNICIPALITIES IN LIMPOPO PROVINCE FOR A PERIOD OF THREE (3) YEARS](https://za.bidwunder.com/tenders/database-of-contractors-for-construction-of-bulk-engineering-services-in-various-3fb1ea48.md) - Limpopo - Co-operative Governance, Human Settlements and Traditional Affairs, Limpopo, closes 2026-11-13 - [CONSULTING ENGINEERING FIRMS TO BE PLACED ON A DATABASE OF PROFESSIONAL SERVICE PROVIDERS, TO UNDER-TAKE DETAILED DESIGNS, DOCUMENTATION AND PROCUREMENT, AND CONTRACT ADMINSTRATION FOR BULK ENGINEERING SERVICES IN VARIOUS MUNICIPALITIES IN LIMPOPO, FOR A PERIOD OF THREE(3) YEARS.](https://za.bidwunder.com/tenders/consulting-engineering-firms-to-be-placed-on-a-database-of-professional-service-14f2b2b5.md) - Limpopo - Co-operative Governance, Human Settlements and Traditional Affairs, Limpopo, closes 2026-11-17 - [THE APPOINTMENT OF A SUITABLE MULTI-DISCIPLINARY BUILT ENVIRONMENT SERVICE PROVIDER, INCLUDING THE OHS AGENT, TO PROVIDE PROFESSIONAL SERVICES IN PLANNING, DESIGNING, AND MONITORING OF CONSTRUCTION FOR THE MATERIAL RECOVERY FACILITY (MRF), COMPOSTING FACILITY AND OTHER SUPPORTING STRUCTURES IN KOUGA LOCAL MUNICIPALITY IN THE EASTERN CAPE PROVINCE, FOR A PERIOD OF THIRTY-SIX (36) MONTHS](https://za.bidwunder.com/tenders/the-appointment-of-a-suitable-multi-disciplinary-built-environment-service-provi-e5d1de91.md) - National - Environment, Forestry and Fisheries, National, closes 2026-10-30 - [Taxidermy services](https://za.bidwunder.com/tenders/taxidermy-services-a1108d43.md) - Johannesburg City Parks and Zoo, Gauteng, closes 2026-11-03 - [OTTOSHOOP SAPS DOLOMITE RISK MANAGEMENT: UPGRADE AND REPLACEMENT OF CIVIL ENGINEERING AND DRY SERVICES (OHS AGENT) CONSULTANCY SERVICES](https://za.bidwunder.com/tenders/ottoshoop-saps-dolomite-risk-management-upgrade-and-replacement-of-civil-enginee-d2aab2e6.md) - Public Works, North-West, closes 2026-11-04 - [Request for Quotations for the Supply and Installation of AWOS Equipment, Accessories and Software Upgrade at OR Tambo International Airport for a period of 6 months at Airports Company South Africa.](https://za.bidwunder.com/tenders/request-for-quotations-for-the-supply-and-installation-of-awos-equipment-accesso-05f6f0ff.md) - Airports Company of South Africa, Gauteng, closes 2026-10-29 - [Maintenance, Calibration and Ad Hoc Repair of fourteen (14) Provincial Weighbridges for a period of five (5) years](https://za.bidwunder.com/tenders/maintenance-calibration-and-ad-hoc-repair-of-fourteen-14-provincial-weighbridges-c2552e0d.md) - Kwazulu Natal - Transport, KwaZulu-Natal, closes 2026-11-13 - [Enlistment of One (1) Security Operations Centre Analyst under the Experts Skills Scheme](https://za.bidwunder.com/tenders/enlistment-of-one-1-security-operations-centre-analyst-under-the-experts-skills-95ebeca4.md) - Ministry of Information Technology, Communication and Innovation, closes 2026-10-30 - [Enlistment of Two (2) Information Security Analysts under the Experts Skills Scheme](https://za.bidwunder.com/tenders/enlistment-of-two-2-information-security-analysts-under-the-experts-skills-schem-4b565fcd.md) - Ministry of Information Technology, Communication and Innovation, closes 2026-11-03 - [The Provision of Verification, Calibration, Maintenance and Repair for Portable Testing and Measuring Instruments at Arnot Power Station over a period of 60 months.](https://za.bidwunder.com/tenders/the-provision-of-verification-calibration-maintenance-and-repair-for-portable-te-cb5fc9d6.md) - Eskom - Generation, Mpumalanga, closes 2026-10-29 - [Organisational Culture Survey](https://za.bidwunder.com/tenders/organizational-culture-survey-e7450032.md) - uMngeni-uThukela Water, KwaZulu-Natal, closes 2026-10-29 [Previous page](https://za.bidwunder.com/tenders/sector/M.md?page=28) | [Next page](https://za.bidwunder.com/tenders/sector/M.md?page=30) ## Sub-sectors - [Legal and accounting](https://za.bidwunder.com/tenders/sector/M69.md) (68) - [Head offices and management consulting](https://za.bidwunder.com/tenders/sector/M70.md) (8) - [Architectural and engineering services](https://za.bidwunder.com/tenders/sector/M71.md) (116) - [Research and development](https://za.bidwunder.com/tenders/sector/M72.md) (3) - [Advertising and market research](https://za.bidwunder.com/tenders/sector/M73.md) (19) - [Other professional services](https://za.bidwunder.com/tenders/sector/M74.md) (427) - [Veterinary services](https://za.bidwunder.com/tenders/sector/M75.md) (1) --- > Source: https://za.bidwunder.com/tenders/sector/M?page=29