Go to bridge	NAICS	Description		Estab- lish- ments	Revenue ($1,000)	Paid employees	Annual payroll ($1,000)
	488	Support activities for transportation		30,675	37,668,697	392,614	12,013,531
	4881	Support activities for air transportation		4,231	9,153,236	115,456	2,820,064
	4882	Support activities for rail transportation		816	2,066,746	18,865	514,558
	4883	Support activities for water transportation		2,525	7,514,764	72,480	2,763,271
	4884	Support activities for road transportation		6,424	2,683,193	44,325	900,997
	4885	Freight transportation arrangement		15,782	16,250,758	141,488	5,014,641
	4889	Other support activities for transportation		897	D	(5000-9999)	D

NAICS 488:   Support activities for transportation -   6-digit NAICS by 4-digit SIC
Includes only establishments with payroll. Introductory text includes scope and methodology. Figures to the left of SIC codes indicate the percent of SIC receipts represented by that part; and link to Table 1 where other parts of the NAICS are shown. links to 1997 and 1992 Comparative Statistics for whole SICs.

NAICS	SIC	Pt	Description		Estab- lish- ments	Revenue ($1,000)	Paid employees	Annual payroll ($1,000)
4881			Support activities for air transportation		4,231	9,153,236	115,456	2,820,064
48811			Airport operations		1,831	3,293,605	62,138	1,106,114
488111			Air traffic control		114	43,450	502	21,152
1% of	4581	01	Air traffic control		114	43,450	502	21,152
488119			Other airport operations		1,717	3,250,155	61,636	1,084,962
35% of	4581	02	Airport operation & terminal services		1,699	3,243,149	61,547	1,082,677
0% of	4959	03	Vacuuming of airport runways		18	7,006	89	2,285
48819			Other support activities for air transportation		2,400	5,859,631	53,318	1,713,950
488190			Other support activities for air transportation		2,400	5,859,631	53,318	1,713,950
63% of	4581	09	Other airport & aircraft transportation services, n.e.c.		2,400	5,859,631	53,318	1,713,950
NAICS	SIC	Pt	Description		Estab- lish- ments	Revenue ($1,000)	Paid employees	Annual payroll ($1,000)
4882			Support activities for rail transportation		816	2,066,746	18,865	514,558
48821			Support activities for rail transportation		816	2,066,746	18,865	514,558
488210			Support activities for rail transportation		816	2,066,746	18,865	514,558
D	4789	01	Support activities incidental to rail transportation		816	2,066,746	18,865	514,558
NAICS	SIC	Pt	Description		Estab- lish- ments	Revenue ($1,000)	Paid employees	Annual payroll ($1,000)
4883			Support activities for water transportation		2,525	7,514,764	72,480	2,763,271
48831			Port & harbor operations		168	889,125	6,802	237,681
488310			Port & harbor operations		168	889,125	6,802	237,681
17% of	4491	01	Operation of a port or water front terminal		168	889,125	6,802	237,681
48832			Marine cargo handling		623	4,456,243	48,463	1,941,364
488320			Marine cargo handling		623	4,456,243	48,463	1,941,364
83% of	4491	02	Marine cargo handling (including stevedoring)		623	4,456,243	48,463	1,941,364
48833			Navigational services to shipping		865	1,513,202	10,800	376,739
488330			Navigational services to shipping		865	1,513,202	10,800	376,739
39% of	4492	03	Tugboat service (including fleeting & harbor service)		361	1,014,026	7,989	248,953
36% of	4499		Navigational services to shipping		504	499,176	2,142	127,786
	4499	91	Navigational services		461	377,596	2,142	96,378
	4499	92	Marine salvaging & wrecking, including dismantling of ships		43	121,580	669	31,408
48839			Other support activities for water transportation		869	656,194	6,415	207,487
488390			Other support activities for water transportation		869	656,194	6,415	207,487
32% of	4499	99	Other services incidental to water transportation		640	444,499	4,389	133,263
60% of	4785	01	Marine cargo inspectors & surveyors		217	206,958	1,977	73,171
0% of	7699	92	Ship scaling		12	4,737	49	1,053
NAICS	SIC	Pt	Description		Estab- lish- ments	Revenue ($1,000)	Paid employees	Annual payroll ($1,000)
4884			Support activities for road transportation		6,424	2,683,193	44,325	900,997
48841			Motor vehicle towing		5,893	2,295,188	36,845	747,355
488410			Motor vehicle towing		5,893	2,295,188	36,845	747,355
39% of	7549	20	Towing, wrecker service		5,893	2,295,188	36,845	747,355
48849			Other support activities for road transportation		531	388,005	7,480	153,642
488490			Other support activities for road transportation		531	388,005	7,480	153,642
	4173		Terminal or maintenance facilities for motor vehicle pass trans		26	15,253	220	5,190
	4231		Motor freight terminal or joint terminal maintenance facility		14	12,989	120	3,955
40% of	4785	02	Fixed facilities & insp & weighing serv for motor vehicle trans		165	140,108	1,751	48,106
D	4789	02	Support activities incidental to road transportation		326	219,655	5,389	96,391
NAICS	SIC	Pt	Description		Estab- lish- ments	Revenue ($1,000)	Paid employees	Annual payroll ($1,000)
4885			Freight transportation arrangement		15,782	16,250,758	141,488	5,014,641
48851			Freight transportation arrangement		15,782	16,250,758	141,488	5,014,641
488510			Freight transportation arrangement		15,782	16,250,758	141,488	5,014,641
99% of	4731		Freight transportation arrangement		15,782	16,250,758	69,130	5,014,641
	4731	10	Freight forwarding		6,630	8,294,389	69,130	2,384,719
	4731	21	Arrangement of transportation of freight & cargo		9,152	7,956,369	72,358	2,629,922
NAICS	SIC	Pt	Description		Estab- lish- ments	Revenue ($1,000)	Paid employees	Annual payroll ($1,000)
4889			Other support activities for transportation		897	D	(5000-9999)	D
48899			Other support activities for transportation		897	D	(5000-9999)	D
488991			Packing & crating		795	D	(5000-9999)	D
	4783		Packing & crating		795	D	(5000-9999)	D
488999			All other support activities for transportation		102	D	(5000-9999)	D
1% of	4729	01	Arrangement of carpools & vanpools		38	22,140	283	6,805
D	4789	09	Other support activities incidental to transportation, n.e.c.		64	D	(5000-9999)	D

N=Not available D=Withheld to avoid disclosure
%% Data do not include large certificated passenger carriers that report to the Office of Airline Statistics, U.S. Department of Transportation
** Railroad transportation and U.S. Postal Service industries are out of scope for the 1997 Economic Ce

=sum of SIC parts listed below the symbol

	(Bridge complete.)	Comparable	NAICS derivable from SIC data.
	(Drawbridge slightly open.)	Almost comparable	Sales or receipts from SIC are within 3% of NAICS sales or receipts.
	(Drawbridge open.)	Not comparable	NAICS sales or receipts cannot be estimated within 3% from SIC data.

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Source: 1997 Economic Census, Comparative Statistics

Last modified: 7/19/00

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