The Green Sheet Online Edition
August 8, 2010 • 10:08:01
Top 25 privately held industries for the last 10 years
Ranking | Net Profit Margin | Industry |
1 | 16.11% | Accounting, tax preparation, bookkeeping and payroll services |
2 | 15.23% | Offices of dentists |
3 | 13.26% | Legal services |
4 | 12.32% | Offices of other health practitioners (chiropractors, optometrists, mental health practitioners) |
5 | 11.32% | Lessors of nonfinancial, intangible assets except copyrighted works (patents, trade marks, brand names) |
6 | 11.27% | Offices of physicians |
7 | 11.09% | Rail transportation |
8 | 10.75% | Other financial investment activities (investment advice, portfolio management) |
9 | 10.66% | Other insurance-related activities, including agencies and brokerages (claims adjustments) |
10 | 10.65% | Specialty hospitals (diagnostic treatment for a specific disease) |
11 | 10.29% | Business schools and computer and management training |
12 | 10.15% | Medical and diagnostic laboratories |
13 | 9.97% | Wired telecommunications carriers |
14 | 9.94% | Outpatient care centers |
15 | 9.74% | Oil and gas extraction |
16 | 9.60% | Support activities for mining |
17 | 9.54% | Support activities for water transportation (port and harbor operations, marine cargo handling) |
18 | 9.11% | Other information services (advice columns, blogs, traffic reporting, libraries, archives) |
19 | 9.06% | Software publishers |
20 | 8.19% | Architectural, engineering and related services (landscape architecture, drafting services) |
21 | 8.10% | Gambling industries |
22 | 8.08% | Insurance carriers |
23 | 8.07% | Personal and household goods repair and maintenance |
24 | 8.01% | Management, scientific and technical consulting services |
25 | 7.98% | Coating, engraving, heat treating and allied activities (enameling, powder coating metals) |
Source: Sageworks Inc.

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