- Tek van den Berg Infratechniek bv
- Tembo Transport vof
- Tezcan Personeelsdiensten bv
- The Dutch installation company bv
- The Full Service Transport bv
- Thermoflor Building and Services bv
- Thermoflor Building and Services bv
- Thomini Techniek Hoorn bv
- Tiboring Constructions bv
- Timmer- en Onderhoudsbedrijf Woody bv