1980 Companies
51 3M 5,440.4
197 Abbott Laboratories 1,683.2
431 Acco Industries 534.7
289 ACF Industries 982.9
249 Aeroquip-Vickers 1,208.1
171 Agway 2,049.1
244 Air Products & Chem. 1,229.9
283 Akzona 1,012.4
63 Alcoa 4,785.6
208 Allegheny International 1,568.9
175 Allis-Chalmers 1,972.7
49 Altria Group 6,144.1
309 Alumax 872.9
338 AM International 754.5
115 AMAX 2,865.4
41 Amerada Hess 6,769.9
432 American Bakeries 525.8
169 American Broadcasting 2,053.6
70 American Can 4,515.0
106 American Cyanamid 3,187.0
440 American Hoist & Derrick 508.6
109 American Motors 3,117.0
144 American Standard 2,431.6
218 AMF 1,438.4
10 Amoco 18,610.3
281 AMP 1,013.2
273 Amstar 1,056.4
314 Amsted Industries 855.7
334 Anchor Hocking 785.2
214 Anderson Clayton 1,489.9
119 Anheuser-Busch 2,775.9
352 Apogent Technologies 723.1
347 Applera 733.0
410 Arcata 579.8
153 Archer Daniels Midland 2,297.8
58 ARMCO 5,035.1
231 Armstrong Holdings 1,341.1
451 Arvin Industries 493.2
195 Asarco 1,724.2
44 Ashland 6,473.9
19 AT&T Technologies 10,964.1
12 Atlantic Richfield 16,234.0
416 Avery Dennison 562.1
276 Avnet 1,028.1
148 Avon Products 2,377.5
318 A.O. Smith 836.4
Since 1955, when the first FORTUNE 500 was created, more than 1,800 companies have appeared on the list. Many of these companies have changed names over this period, owing to mergers, acquisitions, and bankruptcies. Other companies have gone private, or simply changed their names.

Companies are listed by the name with which they were associated in 2005, or at the time of their most recent list appearance before that. FORTUNE 500 companies that have been acquired by other FORTUNE 500 companies are listed under the name of the acquiring company. Rankings have been revised to reflect corrections in data.
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