Here are a couple of companies that make such equipment: http://www.semicron.com/ and http://www.posguys.com/
There are several companies which makes this type of equipment. Playland Inc make some great playground furniture. Gametime is the lead manufacturer of commercial playground equipment.
There are a number of companies in the United States that manufacture mailing equipment. One of them is Pro Mailing Equipment Inc. Another is Charnstrom.
HTC Professional Flooring Systems specializes in concrete and floor grinding equipment. The HTC Greyline series grinds easily and has great performance.
There are a number of companies that manufacture playground equipment. A few with numerous years in business include Koochie, PlayCore, KOMPLAN and PlayMart.
Photographic and printing companies will offer a production service for ornaments to be used in both private and commercial shoots. These companies will produce a product of both stock and custom design.
Some companies that make test and measurement equipment include Freese Enterprises, Inc. (which makes custom test and measurement equipment). Another one is SKF, a major engineering company, also is another source for this type of test and measurement equipment.
Yes
Companies make a profit when their gross income is greater than their expenses. Expenses can include renting equipment and paying employees.
Most big companies hire an internet agency to make and manage their website for them. They will build the website to your needs.
If someone wants to put together a photographic darkroom the most important thing they need is to make sure that blackout curtains or equivalent are sued to render it suitably dark. Then they will need relevant lighting and containers and chemicals for developing the films.
Dental Planet is a leading company in the dental equipment field. Planmeca manufactures equipment as well. Soredex and Gendex make X-ray machines also.