Concentration Ratios

NAICS

code

Industry and company size

Companies

Total

value of

shipments

($1,000)

Total

value of

shipments

(percent)

Herfindahl-

Hirschman

index for

50 largest

companies

311511

Fluid milk manufacturing

All companies

4 largest companies

8 largest companies

20 largest companies

50 largest companies

315

8367532

100.0

X

X

X

46.2

X

X

X

56.8

X

X

X

71.4

X

X

X

85.0

1012.7

315233

Women's and girls' cut and sew dress manufacturing

All companies

4 largest companies

8 largest companies

20 largest companies

50 largest companies

525

1417331

100.0

X

X

X

18.2

X

X

X

28.3

X

X

X

47.7

X

X

X

68.1

250.5

322232

Envelope manufacturing

All companies

4 largest companies

8 largest companies

20 largest companies

50 largest companies

166

1537660

100.0

X

X

X

48.6

X

X

X

63.1

X

X

X

77.2

X

X

X

91.2

757.7

334111

Electronic computer manufacturing

All companies

4 largest companies

8 largest companies

20 largest companies

50 largest companies

465

20937780

100.0

X

X

X

80.6

X

X

X

92.1

X

X

X

96.6

X

X

X

99.0

2662.0

Concentration Ratios

Level of Competition

The level of competition in each of the four industries is different. The competition is fiercest in the Women's and girls' cut and sew dress manufacturing industry because a huge number of companies exist in this industry. Next is in ...