| # | Firmenname | Rolle | Anzahl der Projekte |
|---|---|---|---|
| 1 | Arthur Bigelow | Glocken-Lieferant | 2 |
| 2 | Clock-o-matic | Glocken-Lieferant | 1 |
| 3 | Daciano Colbachini e Figli | Glocken-Lieferant | 1 |
| 4 | E.W. Vanduzen Company | Glocken-Lieferant | 3 |
| 5 | Fonderie de Cloches Dominique Bollée | Glocken-Lieferant | 2 |
| 6 | Fonderie Paccard | Glocken-Lieferant | 27 |
| 7 | G. Campbell & Sons | Glocken-Lieferant | 0 |
| 8 | Gillett & Johnston | Glocken-Lieferant | 16 |
| 9 | Henry Stuckstede Bell Foundry Company | Glocken-Lieferant | 3 |
| 10 | Hooper-Blake | Glocken-Lieferant | 2 |
| 11 | John Taylor Bell Founders Ltd. | Glocken-Lieferant | 30 |
| 12 | John Taylor & Co. | Glocken-Lieferant | 0 |
| 13 | Jones Bell Foundry | Glocken-Lieferant | 3 |
| 14 | Klokkengieterij Van Bergen | Glocken-Lieferant | 3 |
| 15 | Maison Bouée | Glocken-Lieferant | 1 |
| 16 | McShane Bell Foundry | Glocken-Lieferant | 17 |
| 17 | Meneely Bell Company | Glocken-Lieferant | 22 |
| 18 | Meneely & Company | Glocken-Lieferant | 24 |
| 19 | Michiels Bellfoundry | Glocken-Lieferant | 2 |
| 20 | Olsen-Nauen Klokkestøperi AS | Glocken-Lieferant | 9 |
