SHIC was created and continues to be developed by a Working Party composed of curators who actively use the system. The support of the institutions in which they are based has been crucial and is acknowledged with gratitude. All Working Party members have also contributed a great deal of their own personal time. The original team which created SHIC (with the institutions they worked for at the time - many of us have since moved on) included:
| Rosemary Allan | North of England Open Air Museum, Beamish | |
| Peter Brears | Leeds City Museum | |
| David Fleming | Leeds City Museum | |
| David de Haan | Ironbridge Gorge Museum | |
| Stephen Harrison | York Castle Museum | |
| Stuart Holm | Black Country Museum | |
| Alison Roper | Lucas Industries, Group Museum and Archive | |
| Paul Smith | Sheffield University, Centre for English Cultural Tradition and Language | |
| Michael Vanns | Ironbridge Gorge Museum |
SHIC is now maintained by a smaller sub-group although most of the original team retain an interest in the classification and actively contribute when appropriate. The current active Working Party comprises:
| Judith Edgar | Nottingham Museums | |
| David de Haan | Ironbridge Gorge Museum | |
| Stuart Holm | Freelance Consultant | |
| Andy King | Bristol Industrial Museum | |
| Richard Light | Freelance Consultant |
Publication of the First Edition of SHIC was funded by a partnership comprising members of the original Working Party with help in kind from the MDA. Since then, further support from the MDA has funded publication of the Second Edition and a totally revised index.
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