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The Role of MIT Alumni Companies in the U.S. Economy<br />

18<br />

Table 7<br />

MIT Alumni Companies by Industry<br />

Industry # of Firms Employment (Median)<br />

Revenue (Median–in $000s)<br />

Aerospace 467 15 1,200<br />

Architecture 1,209 5 265<br />

Biomedical 500 27 2,000<br />

Chemicals and Materials 742 25 1,275<br />

Consumer Products 1,417 23 1,500<br />

Management Consulting 2,239 2 200<br />

Electronics 3,285 25 2,000<br />

Energy and Utilities 789 8 507<br />

Finance 1,111 7 1,800<br />

Law and Accounting 1,046 8 450<br />

Machinery 322 25 2,600<br />

Publishing and Schools 564 12 1,200<br />

Software 5,009 22 1,500<br />

Telecommunications 902 5 143<br />

Other Manufacturing 773 20 1,600<br />

Other Services 5,395 30 1,750<br />

their cumulative <strong>impact</strong> is significant, the median size<br />

in every industry is quite small, reflecting the overall<br />

national experience and the large number of<br />

young firms.<br />

Firms in software, electronics (including<br />

instruments, semiconductors, and computers), and<br />

biotech form a special subset of the MIT alumni<br />

companies. These high-technology firms (1) spend<br />

more of their revenues on research and development,<br />

(2) are more likely to hold one or more patents, and<br />

(3) tend to export a higher percentage of their<br />

products. They are more likely than companies in<br />

other industries to provide the bases for long-term<br />

economic growth. Together, firms in these three<br />

industries account for one-third of the employment in<br />

all MIT alumni companies; electronics and instrument<br />

firms alone account for more than 13 percent.<br />

The expansion plans of the companies we<br />

surveyed form an interesting “leading indicator,”<br />

pointing to growth prospects by industry. More than<br />

30 percent of the firms in chemicals, aerospace, and<br />

biotech are planning to expand. They are followed<br />

closely by telecommunications and consumer<br />

products companies.<br />

ENTREPRENEURIAL IMPACT: THE ROLE OF MIT

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