InfinitSky Architectural Starfields
- Manufactures fiber optic StarDomes and StarTiles products which create simulated overhead views of the stars. Products are UL approved and are suitable for installation in homes, offices and in businesses and institutions such as restaurants and science c
- http://www.infinitsky.com/

U.K. Observatories
- Kit builder and installer of roll-off roof observatories in the U.K. and Europe. Authorized builder and installer of Skyshed observatories and piers within Europe and the United Kingdom.
- http://www.ukobservatories.co.uk/

Alexander's Observatories
- Provides fully installed rolling roof observatories, plus Shockproof easy-Level Pedestals (permanent piers) for a variety of telescopes. Located in the UK.
- http://www.alexandersobservatories.com/

Clear Skys, Inc.
- Produces rotating observatory dome systems constructed of fiberglass, telescope piers, helical fine focus adapters, and various other products for amateurs.
- http://www.clearskysinc.com/

Stargazer Planetariums
- Custom-built inflatable domes for mobile planetarium shows, mobile theatres, promotional shows and other uses.
- http://www.stargazer-planetariums.co.uk/

Technical Innovations, Inc.
- Fiberglass Home-Dome, Pro-Dome and Robo-Dome observatory domes, Dome Works and Digital Dome Works control hardware, and Robo-Focus remote focusing hardware with software. Free publications on how to design and set up a remote controlled observatory.
- http://www.homedome.com

Astro Haven
- Fiberglass clamshell domes for observatory, planetarium, radar-tracking housing, portable bandstand.
- http://www.astrohaven.com/

Sirius Observatories
- Australian manufacturer of astronomical domed observatories, and the ATS Autodome controller system featuring a serial interface for control by TheSky software.
- http://www.siriusobservatories.com/

Pier-Tech, Inc.
- Unique, adjustable height telescope piers that preserve polar alignment during height adjustment. Company also manufactures the Tele-Station roll-off roof observatory.
- http://www.pier-tech.com/

Observa-DOME Laboratories, Inc.
- Professional observatory domes, missle tracking and LIDAR shelters for advanced amateur, professional and government applications.
- http://www.observa-dome.com/

Meridian Controls Corporation
- Specializes in observatory dome automation and turn-key observatories. Slaving of the dome to telescope motion is accomplished using software from Software Bisque.
- http://www.meridiancontrols.com/

Astro Domes
- Telescope observatory domes for the home and serious astronomer. Site features specifications, photos and plan views of each product.
- http://www.astrodomes.com/

Ash Manufacturing Company
- Produces the Ash-Dome line of observatory domes and tracking instrument shelters for advanced amateur observatories, professional observatories and government agencies.
- http://www.ashdome.com/

SkyShed
- Canadian manufacturer of roll-off observatories, POD fiberglass clamshell dome observatories, and telescope piers. Also sells observatory plans and kits.
- http://www.skyshed.com/

Galactica 360
- Fiberglass, non-rotating observatory domes and freestanding observatories for amateur astronomers. Domes feature a counterweighted clamshell design. Also manufactures a unique portable bandstand.
- http://www.galactica360.com/

Vycon Products, Ltd.
- Offers the fiberglass Voyager Observatory, with an approximate 8 foot inside diameter, suitable for instruments up to 16 inches in aperture.
- http://www.observatories.co.uk/