CS Pro Systems, Inc.
- Offers colloidal silver and CS generators
- http://www.csprosystems.com/

Earthborn Products
- Markets 100 ppm Monatomic colloidal silver, and provides information on research, safety, uses, and dosage.
- http://www.earthbornproducts.com/

PII Distributing
- Produces and sells a colloidal silver solution ( ionic ) and manufactures colloidal silver generators.
- http://health2us.com/

Purest Colloids, Inc.
- Manufactures Mesosilver brand colloidal silver.
- http://www.purestcolloids.com

American Biotech Labs
- Manufacturer of ASAP brand colloidal silver.
- http://www.amsilver.com

Natural Immunogenics Corp
- Manufactures laboratory produced Sovereign brand colloidal silver, and offers laboratory analysis of colloidal silver products.
- http://www.natural-immunogenics.com

Advantage Pharmaceuticals
- Manufactures and sells Invive brand silver protein.
- http://www.invive.com/