Horsecross Arts
Hot Rock Productions
Howden Park Centre
Hoxton Hall
Ian Dickens in association with Lincoln Repertory Company
Imagine Theatre
Immersion Theatre
Insideout Theatre Productions
Interior Designers Pantomime
International Shows
James and Murphy Productions
Jamie Marcus Productions
Jermin Productions
Joe Purdy Productions
Jonathan Heaven Productions
Jon Conway Productions
Jordan Productions
Joseph Hodges Entertainment
Joy Productions
Just Entertainment Ltd