1978 Companies
50 3M 3,980.3
200 Abbott Laboratories 1,245.0
479 Acco Industries 373.8
302 ACF Industries 705.7
246 Aeroquip-Vickers 978.7
155 Agway 1,592.4
253 Air Products & Chem. 947.2
284 Akzona 808.8
70 Alcoa 3,416.5
240 Allegheny International 1,002.1
164 Allis-Chalmers 1,537.7
52 Altria Group 3,849.5
327 Alumax 640.2
345 AM International 596.2
189 AMAX 1,337.7
45 Amerada Hess 4,591.3
404 American Bakeries 478.7
152 American Broadcasting 1,616.9
65 American Can 3,538.6
101 American Cyanamid 2,412.3
491 American Hoist & Derrick 366.8
110 American Motors 2,236.9
142 American Standard 1,792.2
204 AMF 1,229.2
12 Amoco 13,019.9
329 AMP 633.0
251 Amstar 950.4
371 Amsted Industries 545.8
444 Amtel 415.1
325 Anchor Hocking 641.3
252 Anderson Clayton 948.0
136 Anheuser-Busch 1,838.0
352 Apogent Technologies 584.7
437 Applera 432.4
486 Arcata 369.4
119 Archer Daniels Midland 2,114.2
62 ARMCO 3,549.2
224 Armstrong Holdings 1,089.4
489 Armstrong Rubber 367.1
419 Arvin Industries 460.3
235 Asarco 1,045.8
42 Ashland 4,785.6
150 Associated Milk Producers 1,640.7
18 AT&T Technologies 8,134.6
13 Atlantic Richfield 10,969.1
440 Avery Dennison 423.5
299 Avnet 719.6
149 Avon Products 1,648.5
297 A.O. Smith 727.3
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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