- Mendham Borough
- Astragal Press
Books on antique tools and early trades and technology.
- Morris County Municipal Utilities Authority
Solid waste agency. Activities include: recycling, household hazardous waste, disposal, transfer stations, composting, planning, environmental education.
- Assumption College for Sisters
Catholic, two-year, liberal arts college for the education of religious women.
- National Environmental Service Company (NESCO)
Offers high pressure water spray systems, custom mining equipment and dust control seminars.
- SciTech Publishing, Inc.
Scientific and technical publication, with particular stress on advanced engineering texts and references at the post-baccalaureate level.
- Mendham Borough Library
- Kaplan Designs
Creates handcrafted, one-of-a-kind, fine art jewelry in gemstones, pearls, silver, and gold.