PlanterSpeakers
- Created speakers can be used with live or artifical plants and are designed for indoor or outdoor use. USA.
- http://www.planterspeakers.com/

Rockustics
- Features a product line of hi-fidelity weather outdoor speakers for home and commercial applications. USA.
- http://www.rockusticsinc.com/

Poly-Planar
- Manufacturer of waterproof speakers and audio systems. Netherlands.
- http://polyplanar.nl

TIC Corporation
- Original manufacturers of outdoor, omnispeakers, rock, patio, wireless, marine and garden speakers. Includes technical and installation training. Outdoor landscape lighting. USA.
- http://www.ticcorp.com/

Owi
- Manufacturer specializing in outdoor, weatherized and weatherproof loudspeakers.
- http://www.owi-inc.com/

StereoStones
- Manufacturing speakers that resemble rock formations.
- http://www.stereostones.com

Garden Sound
- Manufacturer of weatherproof speakers that become part of garden environment that looks like a small rock, mushroom, frog and a plant. Online store.
- http://www.gardensound.com.au/

Audio Rocks Inc
- Manufacturer of rock loudspeaker. Offer complete systems with installation hardware including.
- http://www.audiorocks.com

Technomad
- Distributor of loudspeakers for various locations, including gardens, patio's and boats.
- http://www.outdoorsound.com