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Palestinian Water Authority (PWA),
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Palestinian Economic Council for Development & Reconstruction (PECDAR),
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European Community (EC),
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United States International Agency for Development (USAID),
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Swedish International Development Cooperation Agency,
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DORSCH CONSULT Ingenieurgesellschaft (mbH),
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Kreditanstalt fur Wiederaufbau (KFW),
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SOCIAL ANONYME FRANCAISE D’ ETUDES ET DE GESTION (Safege),
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Camp Dresser & Mackee (CDM.),
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Danish International Development Agency (DANIDA),
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Agency Francaise De Development (AFD),
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Palestinian Housing Council,
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United Nations Development Program – UNDP,
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Ministry of Health,
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Gaza Strip Municipalities,
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Palestine Real Estate Investment Company (SIDA),
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Layonnaise Des Eaux – Khatib & Alami (LEKA),
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Ministry of Waqf & Religious Affairs,
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Welfare Association,
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Japan International Cooperation Agency (JICA),
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Pontifical Mission,
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Save the Children Federation (SCF).

TECC has many partners and clients on multi-levels Local and International Firms as follow: