East Herts Operatic Society
- Performs musicals in Hoddesdon. Details of Heart of Broadway, general information and its youth group New Expressions.
- http://www.ehos.co.uk/

Sawbridgeworth Players Amateur Dramatic Society
- Theatre group presenting plays, with online booking facility.
- http://www.sawbridgeworth-players.org.uk/

Rickmansworth Players
- Theatre company presenting plays and musicals, with details of touring murder mystery group, props, costumes and music stands for hire.
- http://www.rickmansworth-players.org.uk/

Ware Operatic Society
- Theatre group performing musicals and concerts, with details of My Fair Lady, ticket information and previous shows.
- http://www.wareoperatic.org.uk/

OVO
- Theatre company presenting 3-4 productions each year, with details of current and past productions and management team.
- http://www.ovo.org.uk

Letchworth Arcadians
- Amateur operatic society with details of Pirates of Penzance Broadway Version and High School Musical, news, membership and history.
- http://www.letchwortharcadians.org.uk/

Harrow Light Opera Company
- Musical theatre company performing in Rickmansworth. Details of Carousel and The Witches of Eastwick, history, venue information, membership and sponsor opportunities.
- http://www.drees.plus.com/HLOCwebsite/

Pump House Theatre & Arts Centre
- News about the theatre including listings, resident companies and groups.
- http://www.pumphouse.info/

Hitchin Thespians
- Theatre Company presenting musicals in Stevenage. Information for The Mikado and Chess. Photos of recent shows and detailed history.
- http://www.hitchinthespians.org.uk/

Frayed Knot Theatre Company
- Presenting 3 shows a year in Tring, normally comedies. Details of See How They Run and Farndale Mikado with show history. Script of first production online.
- http://www.frayed-knot.co.uk/

Hoddesdon Players
- Theatre group performing plays, sketches and revues, with details of Communicating Doors, photographs of recent shows, supporters club and history.
- http://www.hoddesdonplayers.org.uk/

Valle Academy of Performing Arts
- Teaches dance, drama and singing, with details of classes, staff and theatrical agency.
- http://www.valleacademy.f2s.com/

Theatre Unlimited - School of Performing Arts
- Theatre group for young people in Enfield and Hertfordshire with details of classes, dates and productions.
- http://www.theatre-unlimited.co.uk

Wyllyotts Theatre
- Calendar of public events and exhibitions, information for hirers, catering facilities and gallery space.
- http://www.hertsmereleisure.co.uk/wyllyotts.asp

Hertford Dramatic & Operatic Society
- Presents musicals, plays, an annual pantomime and organises Hertford Theatre Week. Provides a detailed history with photographs of shows, headquarters and performance venue.
- http://www.hdos.org.uk/

Cassio Operatic Society
- Amateur society performing at the Palace Theatre, Watford. Details of The Hired Man with photos of previous productions.
- http://www.cassiooperatic.co.uk/

Act 2 Productions
- A small but growing amateur group in the St Albans and Hatfield areas of Hertfordshire, with details of current and previous shows.
- http://www.act2productions.co.uk

Queen Mother Theatre, Hitchin
- Features a What's On calendar, and describes facilities for professional and amateur productions, with detailed subsections for the Bancroft Players and its Youth Theatre.
- http://www.queenmothertheatre.org.uk

Hertfordshire Theatre School
- Professional training in the fields of acting, dancing, and musical theatre. Three year graduate courses or one year diploma course.
- http://www.htstheatreschool.co.uk/

Trestle Theatre Company
- Touring mask theatre company performing throughout the UK, with an additional arts base for young people in Hertfordshire and an nationwide outreach project. Describes current tour, mask sets available to buy, workshops for teachers and groups and sponsor
- http://www.trestle.uk.com/

Hemel Hempstead Theatre Company
- Amateur society performing 4 to 5 productions annually. Details of South Pacific and Mixed Doubles, youth section, ticket agencies and how to join, with additional hints on acting and stagecraft.
- http://www.boxmoorplayhouse.co.uk/

Watford Operatic Society
- Operatic Society performing at the Pump House and the Palace Theatre. Details of the musical Chess, previous productions, news, membership and contact information.
- http://www.watford-operatic.co.uk/

The Company Of Players
- Club theatre presenting plays at the Little Theatre, Hertford. Programme for current season, general information and recent reviews.
- http://www.cops.org.uk/

Arts in Herts Theatre Guide
- Month by month summary of plays, musicals and pantomimes taking place in the county, with links to associated web pages.
- http://artsinherts.co.uk/

Kings Langley Light Operatic Company
- Describes stage facilities, location and management committee. Information for Oliver and recent show history.
- http://www.klloc.co.uk/

Broxbourne Theatre Company
- Christmas pantomimes and musicals at the Civic Theatre, Hoddesdon. Details of the pantomime Aladdin and the musical The King and I, historical summary and links to recent shows.
- http://www.musicals.org.uk/

Berkhamsted Amateur Operatic and Dramatic Society
- Details of Seasons Greetings and Eighty Glorious Years, with photos and publicity for previous shows.
- http://www.talpa.co.uk/baods/