Table 1. NAICS-SIC Employment Crosswalk

Table 1. NAICS–SIC Employment Crosswalk
NAICS	NAICS code	SIC code	SIC to NAICS (percent of employees)	NAICS to SIC (percent of employees)
Construction(1)	23	15-17	97.2	98.9
Manufacturing(1)	31-33	20-39	98.2	91.5
Trade, transportation, and utilities	22, 42, 44, 45, 48, 49	40-59	68.9	99.0
Wholesale trade	42	50, 51	84.9	99.7
Retail trade	44, 45	52-59	61.4	94.4
Transportation and warehousing	48, 49	40-48	62.1	89.7
Utilities	22	49	70.1	100.0
Information	51	27, 48, 73, 78, 82	23.9	99.1
Financial activities(1)	52,53	60-67	90.4	90.4
Finance and insurance	52	60, 61, 62	94.7	97.6
Credit intermediation and related activities	522	60, 61	92.0	98.5
Insurance carriers and related activities	524	63, 64	93.9	100.0
Real estate and rental and leasing	53	65, 73, 75, 78	14.7	95.0
Professional and business services	54, 55, 56	42, 49, 73, 87	74.3	73.3
Professional, scientific, and technical services	54	73, 87	38.7	72.9
Administrative and support and waste management and remediation services	56	42, 49, 73	52.5	83.8
Education and health services	61, 62	80, 82	96.8	80.6
Educational services(1)	61	82	97.5	94.3
Elementary and secondary schools(1)	6111	821	99.4	100.0
Junior colleges and colleges, universities, and professional schools(1)	6112, 6113	822	98.4	100.0
Health care and social assistance	62	80, 83	96.7	99.2
Hospitals(1)	622	806	98.8	100.0
Nursing and residential care facilities	623	805	99.2	73.4
Leisure and hospitality	71, 72	58, 70, 79, 84	98.1	98.6
Accommodation and food services	72	58, 70	98.9	98.9
Other services (except Public administration)	81	72, 75, 86, 88	84.6	81.6
Public administration(1)	92	91-97	99.4	94.8
Footnotes: (1) Previously published under the SIC classification system.
Source: Bureau of Labor Statistics, Current Employment Statistics