| # | Company name | Role | # of projects |
|---|---|---|---|
| 5,281 | Zalman Z. Construction Ltd. | Construction company | 14 |
| 5,282 | Zaman Construções Ltda | Construction company | 2 |
| 5,283 | Zambon Pacheco Construtora | Construction company | 2 |
| 5,284 | Zantkeren & Sons Ltd. | Construction company | 4 |
| 5,285 | Zanzuri M.P. | Construction company | 1 |
| 5,286 | ZAO DSK | Construction company | 9 |
| 5,287 | ZAO Trest 36 | Construction company | 16 |
| 5,288 | ZAO YIT Lentek | Construction company | 5 |
| 5,289 | ZAPF GmbH | Construction company | 0 |
| 5,290 | Zappi Construtora | Construction company | 10 |
| 5,291 | Zarrella Construction, Inc. | Construction company | 1 |
| 5,292 | Zarzur Kogan | Construction company | 11 |
| 5,293 | Zayd Empreendimentos Imobiliários | Construction company | 2 |
| 5,294 | ZDA Construtora | Construction company | 1 |
| 5,295 | Zechbau Holding GmbH | Construction company | 1 |
| 5,296 | Zelan Berhad | Construction company | 0 |
| 5,297 | Zelan Holdings (M) Sdn Bhd | Construction company | 1 |
| 5,298 | Zen Pacific Group | Construction company | 12 |
| 5,299 | Zenitaka Corpration | Construction company | 8 |
| 5,300 | Zervos Bau GmbH | Construction company | 0 |