49-9021 Heating, air conditioning, and refrigeration mechanics and installers
Employment by industry, occupation, and percent distribution, 2020 and projected 2030.

Employment in thousands.
Industries with fewer than 50 jobs, confidential data, or poor-quality data are not displayed.

Industry Title	Industry Code	Industry Type	2020 Employment	2020 Percent of Occupation	2020 Percent of Industry	Projected 2030 Employment	Projected 2030 Percent of Occupation	Projected 2030 Percent of Industry	Employment Change, 2020-2030	Employment Percent Change, 2020-2030	Industry Sort	Display Level
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Total employment	TE1000	Summary	380.4	100.0	0.2	399.4	100.0	0.2	19.0	5.0		0
Self-employed workers	TE1100	Line Item	32.5	8.6	0.4	33.5	8.4	0.4	0.9	2.9	2	1
Total wage and salary employment	TE1200	Summary	347.9	91.4	0.2	365.9	91.6	0.2	18.0	5.2	3	1
Mining, quarrying, and oil and gas extraction	210000	Summary	0.1	0.0	0.0	0.1	0.0	0.0	0.0	24.2	12	2
Utilities	220000	Summary	1.7	0.5	0.3	1.6	0.4	0.3	-0.1	-6.0	19	2
Utilities	221000	Summary	1.7	0.5	0.3	1.6	0.4	0.3	-0.1	-6.0	20	3
Electric power generation, transmission and distribution	221100	Summary	0.3	0.1	0.1	0.3	0.1	0.1	0.0	-0.8	21	4
Electric power generation	221110	Summary	0.1	0.0	0.1	0.1	0.0	0.1	0.0	-7.6	22	5
Natural gas distribution	221200	Line Item	1.4	0.4	1.3	1.3	0.3	1.3	-0.1	-7.4	32	4
Construction	230000	Summary	260.4	68.4	3.6	273.4	68.5	3.6	13.1	5.0	34	2
Construction of buildings	236000	Summary	2.3	0.6	0.1	2.5	0.6	0.1	0.2	6.7	35	3
Residential building construction	236100	Line Item	1.3	0.4	0.2	1.4	0.4	0.2	0.1	7.0	36	4
Nonresidential building construction	236200	Line Item	1.0	0.3	0.1	1.0	0.3	0.1	0.1	6.2	37	4
Heavy and civil engineering construction	237000	Summary	0.2	0.1	0.0	0.2	0.1	0.0	0.0	5.4	38	3
Utility system construction	237100	Summary	0.2	0.0	0.0	0.2	0.0	0.0	0.0	5.5	39	4
Specialty trade contractors	238000	Summary	257.9	67.8	5.6	270.7	67.8	5.6	12.9	5.0	45	3
Foundation, structure, and building exterior contractors	238100	Summary	0.4	0.1	0.0	0.4	0.1	0.0	0.0	5.7	46	4
Roofing contractors	238160	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	4.8	49	5
Building equipment contractors	238200	Summary	256.7	67.5	11.6	269.5	67.5	11.7	12.8	5.0	51	4
Electrical contractors and other wiring installation contractors	238210	Line Item	4.5	1.2	0.5	4.5	1.1	0.5	0.0	-0.4	52	5
Plumbing, heating, and air-conditioning contractors	238220	Line Item	251.7	66.2	22.5	264.5	66.2	22.8	12.8	5.1	53	5
Other building equipment contractors	238290	Line Item	0.5	0.1	0.3	0.5	0.1	0.3	0.0	5.7	54	5
Building finishing contractors	238300	Summary	0.3	0.1	0.0	0.3	0.1	0.0	0.0	5.8	55	4
Other specialty trade contractors	238900	Line Item	0.5	0.1	0.1	0.5	0.1	0.1	0.0	4.1	59	4
Manufacturing	31-330	Summary	7.9	2.1	0.1	8.3	2.1	0.1	0.5	5.8	60	2
Food manufacturing	311000	Summary	1.6	0.4	0.1	1.6	0.4	0.1	0.1	3.4	61	3
Fruit and vegetable preserving and specialty food manufacturing	311400	Line Item	0.2	0.1	0.1	0.2	0.1	0.1	0.0	-1.0	65	4
Dairy product manufacturing	311500	Line Item	0.1	0.0	0.1	0.1	0.0	0.1	0.0	1.3	66	4
Animal slaughtering and processing	311600	Line Item	0.9	0.2	0.2	1.0	0.2	0.2	0.0	4.0	67	4
Seafood product preparation and packaging	311700	Line Item	0.1	0.0	0.2	0.1	0.0	0.2	0.0	5.1	68	4
Bakeries and tortilla manufacturing	311800	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	8.5	69	4
Beverage and tobacco product manufacturing	312000	Summary	0.3	0.1	0.1	0.3	0.1	0.1	0.0	10.9	71	3
Beverage manufacturing	312100	Line Item	0.2	0.1	0.1	0.3	0.1	0.1	0.0	12.7	72	4
Chemical manufacturing	325000	Summary	0.5	0.1	0.1	0.5	0.1	0.1	0.0	6.0	89	3
Pharmaceutical and medicine manufacturing	325400	Line Item	0.4	0.1	0.1	0.4	0.1	0.1	0.0	6.4	90	4
Chemical manufacturing (3251,2,3,9)	3250A1	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	3.1	92	4
Nonmetallic mineral product manufacturing	327000	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	-2.7	96	3
Primary metal manufacturing	331000	Summary	0.1	0.0	0.0	0.1	0.0	0.0	0.0	2.0	97	3
Fabricated metal product manufacturing	332000	Summary	0.6	0.2	0.0	0.7	0.2	0.0	0.1	11.0	103	3
Fabricated metal product manufacturing (3323,4)	3320A2	Line Item	0.6	0.2	0.1	0.6	0.2	0.1	0.1	11.2	104	4
Fabricated metal product manufacturing (3321,2,5,6,9)	3320A1	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	9.1	109	4
Machinery manufacturing	333000	Summary	2.6	0.7	0.2	2.8	0.7	0.3	0.2	8.5	110	3
Engine, turbine, and power transmission equipment manufacturing	333600	Line Item	0.1	0.0	0.1	0.1	0.0	0.1	0.0	10.4	113	4
Machinery manufacturing (3331,2,4,9)	3330A1	Line Item	2.3	0.6	0.3	2.5	0.6	0.3	0.2	8.0	114	4
Computer and electronic product manufacturing	334000	Summary	0.6	0.2	0.1	0.6	0.1	0.1	0.0	1.8	115	3
Semiconductor and other electronic component manufacturing	334400	Line Item	0.2	0.0	0.0	0.2	0.0	0.0	0.0	-2.5	119	4
Navigational, measuring, electromedical, and control instruments manufacturing	334500	Line Item	0.3	0.1	0.1	0.3	0.1	0.1	0.0	2.3	120	4
Electrical equipment, appliance, and component manufacturing	335000	Summary	0.1	0.0	0.0	0.1	0.0	0.0	0.0	11.5	122	3
Transportation equipment manufacturing	336000	Summary	1.2	0.3	0.1	1.2	0.3	0.1	0.0	2.5	127	3
Motor vehicle parts manufacturing	336300	Line Item	0.3	0.1	0.1	0.3	0.1	0.1	0.0	11.2	130	4
Aerospace product and parts manufacturing	336400	Line Item	0.6	0.2	0.1	0.6	0.2	0.1	0.0	2.4	131	4
Ship and boat building	336600	Line Item	0.3	0.1	0.2	0.2	0.1	0.2	0.0	-7.9	133	4
Miscellaneous manufacturing	339000	Summary	0.1	0.0	0.0	0.1	0.0	0.0	0.0	6.4	138	3
Medical equipment and supplies manufacturing	339100	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	5.4	139	4
Wholesale trade	420000	Summary	14.1	3.7	0.2	14.9	3.7	0.3	0.8	5.6	143	2
Merchant wholesalers, durable goods	423000	Summary	11.7	3.1	0.4	12.4	3.1	0.4	0.7	5.8	144	3
Professional and commercial equipment and supplies merchant wholesalers	423400	Line Item	0.5	0.1	0.1	0.5	0.1	0.1	0.0	4.4	146	4
Machinery, equipment, and supplies merchant wholesalers	423800	Summary	0.4	0.1	0.1	0.4	0.1	0.1	0.0	4.4	147	4
Merchant wholesalers, durable goods (4232,3,5,6,7,9)	4230A1	Line Item	10.8	2.8	0.8	11.4	2.9	0.8	0.6	6.0	150	4
Merchant wholesalers, nondurable goods	424000	Summary	1.4	0.4	0.1	1.5	0.4	0.1	0.1	3.7	151	3
Merchant wholesalers, nondurable goods (4242,6)	4240A2	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	4.8	154	4
Merchant wholesalers, nondurable goods (4244,8)	4240A1	Line Item	0.9	0.2	0.1	1.0	0.2	0.1	0.1	6.2	155	4
Merchant wholesalers, nondurable goods (4241,7,9)	4240A3	Line Item	0.4	0.1	0.1	0.4	0.1	0.1	0.0	-1.6	156	4
Wholesale electronic markets and agents and brokers	425000	Line Item	1.0	0.3	0.2	1.0	0.3	0.2	0.1	5.6	157	3
Retail trade	44-450	Summary	11.4	3.0	0.1	10.6	2.7	0.1	-0.8	-6.8	158	2
Retail trade, except motor vehicle and parts dealers, food and beverage stores, and general merchandise stores	4445R0	Summary	10.4	2.7	0.2	9.7	2.4	0.1	-0.7	-6.8	167	3
Furniture and home furnishings stores	442000	Summary	0.5	0.1	0.1	0.5	0.1	0.1	0.0	10.2	168	4
Home furnishings stores	442200	Line Item	0.4	0.1	0.2	0.5	0.1	0.2	0.0	10.5	170	5
Electronics and appliance stores	443000	Line Item	0.3	0.1	0.1	0.3	0.1	0.1	0.0	-13.7	171	4
Building material and garden equipment and supplies dealers	444000	Summary	0.3	0.1	0.0	0.3	0.1	0.0	0.0	-1.8	172	4
Building material and supplies dealers	444100	Line Item	0.2	0.1	0.0	0.2	0.1	0.0	0.0	-3.7	173	5
Nonstore retailers	454000	Summary	9.2	2.4	1.6	8.5	2.1	1.3	-0.7	-7.6	193	4
Direct selling establishments	454300	Line Item	9.1	2.4	7.1	8.4	2.1	7.3	-0.7	-7.8	196	5
Transportation and warehousing	48-490	Summary	1.4	0.4	0.0	1.6	0.4	0.0	0.2	13.8	197	2
Air transportation	481000	Summary	0.2	0.0	0.0	0.2	0.0	0.0	0.0	13.5	198	3
Rail transportation	482000	Line Item	0.1	0.0	0.1	0.1	0.0	0.1	0.0	5.1	201	3
Water transportation	483000	Summary	0.2	0.0	0.2	0.2	0.0	0.2	0.0	11.3	202	3
Deep sea, coastal, and great lakes water transportation	483100	Line Item	0.2	0.0	0.4	0.2	0.0	0.4	0.0	11.3	203	4
Truck transportation	484000	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	5.5	205	3
Scenic and sightseeing transportation and support activities for transportation	487-80	Summary	0.3	0.1	0.0	0.4	0.1	0.0	0.1	19.0	217	3
Support activities for transportation	488000	Summary	0.3	0.1	0.0	0.4	0.1	0.0	0.1	19.0	222	4
Support activities for water transportation	488300	Line Item	0.1	0.0	0.1	0.1	0.0	0.1	0.0	6.2	225	5
Warehousing and storage	493000	Line Item	0.6	0.2	0.0	0.7	0.2	0.1	0.1	14.7	232	3
Information	510000	Summary	0.2	0.1	0.0	0.2	0.1	0.0	0.0	-7.0	233	2
Telecommunications	517000	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	-16.6	249	3
Finance and insurance	520000	Summary	0.3	0.1	0.0	0.3	0.1	0.0	0.0	4.8	252	2
Monetary authorities, credit intermediation, and related activities	521-20	Summary	0.2	0.0	0.0	0.2	0.0	0.0	0.0	2.2	253	3
Credit intermediation and related activities	522000	Summary	0.1	0.0	0.0	0.1	0.0	0.0	0.0	3.0	255	4
Credit intermediation and related activities (5221,3)	5220A1	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	2.6	259	5
Insurance carriers and related activities	524000	Summary	0.1	0.0	0.0	0.1	0.0	0.0	0.0	8.7	260	3
Insurance carriers	524100	Summary	0.1	0.0	0.0	0.1	0.0	0.0	0.0	7.2	261	4
Real estate and rental and leasing	530000	Summary	3.6	1.0	0.2	3.9	1.0	0.2	0.3	7.2	273	2
Real estate	531000	Line Item	3.2	0.8	0.2	3.4	0.9	0.2	0.2	7.2	274	3
Rental and leasing services	532000	Summary	0.4	0.1	0.1	0.5	0.1	0.1	0.0	7.3	275	3
Automotive equipment rental and leasing	532100	Line Item	0.1	0.0	0.1	0.1	0.0	0.1	0.0	13.3	276	4
Rental and leasing services (5322,3,4)	5320A1	Line Item	0.3	0.1	0.1	0.3	0.1	0.1	0.0	5.3	277	4
Professional, scientific, and technical services	540000	Summary	1.6	0.4	0.0	1.7	0.4	0.0	0.1	4.8	279	2
Professional, scientific, and technical services	541000	Summary	1.6	0.4	0.0	1.7	0.4	0.0	0.1	4.8	280	3
Accounting, tax preparation, bookkeeping, and payroll services	541200	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	5.7	282	4
Architectural, engineering, and related services	541300	Summary	0.9	0.2	0.1	0.9	0.2	0.1	0.0	1.1	283	4
Engineering services	541330	Line Item	0.7	0.2	0.1	0.7	0.2	0.1	0.0	-0.4	285	5
Testing laboratories	541380	Line Item	0.2	0.0	0.1	0.2	0.0	0.1	0.0	5.8	287	5
Computer systems design and related services	541500	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	20.5	289	4
Management, scientific, and technical consulting services	541600	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	22.4	290	4
Scientific research and development services	541700	Summary	0.4	0.1	0.1	0.4	0.1	0.0	0.0	5.1	291	4
Research and development in the physical, engineering, and life sciences	541710	Line Item	0.4	0.1	0.1	0.4	0.1	0.1	0.0	5.1	292	5
Management of companies and enterprises	550000	Summary	1.4	0.4	0.1	1.4	0.4	0.1	0.0	3.3	299	2
Management of companies and enterprises	551000	Line Item	1.4	0.4	0.1	1.4	0.4	0.1	0.0	3.3	300	3
Administrative and support and waste management and remediation services	560000	Summary	7.5	2.0	0.1	8.2	2.1	0.1	0.7	9.9	301	2
Administrative and support services	561000	Summary	7.4	1.9	0.1	8.1	2.0	0.1	0.7	9.8	302	3
Office administrative services	561100	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	23.2	303	4
Facilities support services	561200	Line Item	2.2	0.6	1.4	2.4	0.6	1.5	0.2	7.9	304	4
Employment services	561300	Summary	3.7	1.0	0.1	4.2	1.0	0.1	0.5	13.0	305	4
Temporary help services	561320	Line Item	2.4	0.6	0.1	2.8	0.7	0.1	0.3	14.1	306	5
Waste management and remediation services	562000	Summary	0.1	0.0	0.0	0.1	0.0	0.0	0.0	17.6	318	3
Remediation and other waste management services	562900	Line Item	0.1	0.0	0.1	0.1	0.0	0.1	0.0	18.0	321	4
Educational services; state, local, and private	610000	Summary	11.9	3.1	0.1	12.8	3.2	0.1	0.9	7.6	322	2
Educational services; state, local, and private	611000	Summary	11.9	3.1	0.1	12.8	3.2	0.1	0.9	7.6	323	3
Elementary and secondary schools; state, local, and private	611100	Summary	3.9	1.0	0.0	4.2	1.0	0.0	0.3	7.4	324	4
Elementary and secondary schools; private	611105	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	12.4	325	5
Elementary and secondary schools; local	611103	Line Item	3.8	1.0	0.1	4.1	1.0	0.1	0.3	7.3	327	5
Junior colleges, colleges, universities, and professional schools; state, local, and private	6112-3	Summary	7.9	2.1	0.2	8.5	2.1	0.2	0.6	7.6	328	4
Junior colleges; state, local, and private	611200	Summary	0.8	0.2	0.1	0.8	0.2	0.1	0.0	0.1	329	5
Junior colleges; state	611202	Line Item	0.2	0.1	0.1	0.3	0.1	0.1	0.0	13.1	331	6
Junior colleges; local	611203	Line Item	0.5	0.1	0.1	0.5	0.1	0.1	0.0	-4.7	332	6
Colleges, universities, and professional schools; state, local, and private	611300	Summary	7.1	1.9	0.2	7.7	1.9	0.2	0.6	8.5	333	5
Colleges, universities, and professional schools; private	611305	Line Item	2.8	0.7	0.2	3.2	0.8	0.2	0.4	13.8	334	6
Colleges, universities, and professional schools; state	611302	Line Item	4.3	1.1	0.2	4.5	1.1	0.2	0.2	4.9	335	6
Other educational services; state, local, and private	6114-7	Summary	0.1	0.0	0.0	0.1	0.0	0.0	0.0	12.1	337	4
Healthcare and social assistance	620000	Summary	4.8	1.3	0.0	5.2	1.3	0.0	0.4	8.0	354	2
Ambulatory healthcare services	621000	Summary	0.1	0.0	0.0	0.1	0.0	0.0	0.0	11.4	355	3
Offices of physicians	621100	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	6.8	356	4
Hospitals; state, local, and private	622000	Summary	4.2	1.1	0.1	4.5	1.1	0.1	0.3	6.8	372	3
General medical and surgical hospitals; state, local, and private	622100	Summary	3.9	1.0	0.1	4.1	1.0	0.1	0.2	6.2	373	4
General medical and surgical hospitals; private	622105	Line Item	3.3	0.9	0.1	3.5	0.9	0.1	0.2	7.1	374	5
General medical and surgical hospitals; state	622102	Line Item	0.1	0.0	0.1	0.1	0.0	0.1	0.0	0.1	375	5
General medical and surgical hospitals; local	622103	Line Item	0.5	0.1	0.1	0.5	0.1	0.1	0.0	1.5	376	5
Psychiatric and substance abuse hospitals; state, local, and private	622200	Summary	0.2	0.0	0.1	0.2	0.0	0.1	0.0	2.4	377	4
Psychiatric and substance abuse hospitals; state	622202	Line Item	0.1	0.0	0.1	0.1	0.0	0.1	0.0	-4.5	379	5
Specialty (except psychiatric and substance abuse) hospitals; state, local, and private	622300	Summary	0.2	0.0	0.1	0.2	0.1	0.1	0.0	23.8	381	4
Specialty (except psychiatric and substance abuse) hospitals; private	622305	Line Item	0.1	0.0	0.0	0.2	0.0	0.0	0.0	33.0	382	5
Specialty (except psychiatric and substance abuse) hospitals; state	622302	Line Item	0.1	0.0	0.2	0.1	0.0	0.2	0.0	2.6	383	5
Nursing and residential care facilities	623000	Summary	0.3	0.1	0.0	0.3	0.1	0.0	0.0	17.5	385	3
Continuing care retirement communities and assisted living facilities for the elderly	623300	Line Item	0.2	0.1	0.0	0.2	0.1	0.0	0.0	23.2	390	4
Social assistance	624000	Summary	0.3	0.1	0.0	0.3	0.1	0.0	0.0	16.2	392	3
Individual and family services	624100	Summary	0.1	0.0	0.0	0.1	0.0	0.0	0.0	30.3	393	4
Community and vocational rehabilitation services	6242-3	Summary	0.2	0.0	0.0	0.2	0.0	0.0	0.0	11.6	396	4
Community food and housing, and emergency and other relief services	624200	Line Item	0.1	0.0	0.1	0.1	0.0	0.1	0.0	14.6	397	5
Performing arts, spectator sports, and related industries	711000	Summary	0.1	0.0	0.0	0.1	0.0	0.0	0.1	63.5	401	3
Museums, historical sites, and similar institutions	712000	Line Item	0.1	0.0	0.0	0.1	0.0	0.0	0.0	47.3	410	3
Amusement parks and arcades	713100	Line Item	0.3	0.1	0.2	0.4	0.1	0.2	0.2	61.2	412	4
Casino hotels	721120	Line Item	0.2	0.1	0.1	0.3	0.1	0.1	0.1	33.1	420	5
Other services (except public administration)	810000	Summary	8.2	2.1	0.1	9.4	2.4	0.1	1.2	15.2	430	2
Repair and maintenance	811000	Summary	8.0	2.1	0.6	9.3	2.3	0.7	1.2	15.3	431	3
Commercial and industrial machinery and equipment (except automotive and electronic) repair and maintenance	811300	Line Item	6.7	1.8	3.2	7.9	2.0	3.1	1.2	18.4	437	4
Personal and household goods repair and maintenance	811400	Line Item	1.1	0.3	1.5	1.1	0.3	1.5	0.0	-2.6	438	4
Religious, grantmaking, civic, professional, and similar organizations	813000	Summary	0.1	0.0	0.0	0.1	0.0	0.0	0.0	10.0	444	3
Government	900000	Summary	10.2	2.7	0.1	10.5	2.6	0.1	0.3	2.7	455	2
Federal government	910000	Summary	3.9	1.0	0.1	3.8	0.9	0.1	-0.1	-3.7	456	3
Postal service	491000	Line Item	1.4	0.4	0.2	1.3	0.3	0.2	-0.1	-7.8	457	4
Federal government, excluding postal service	999100	Line Item	2.5	0.7	0.1	2.5	0.6	0.1	0.0	-1.4	458	4
State government, excluding education and hospitals	999200	Line Item	1.3	0.3	0.1	1.3	0.3	0.1	0.0	-0.4	459	3
Local government, excluding education and hospitals	999300	Line Item	5.1	1.3	0.1	5.5	1.4	0.1	0.4	8.3	460	3

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