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Department of Safety and Professional Services
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Safety and Buildings Division

Credential and Manufactured Home Services:
1400 East Washington Avenue
Madison, WI 53703
Mailing Address: Varies, see forms.
View Map/ get directions

Plan Review, Inspection and Other Services:
201 W. Washington Ave.
Madison, WI 53703
Mailing Address: Varies, see forms.
View Map/ get directions


Media Contact Only:
Greg Gasper
(608) 266-6795
Greg.Gasper@wi.gov

Office of Governor
Scott Walker
Link to Governor Walkers's web site

 
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S&B Division - Numbers of People Holding Credentials

October 3, 2011 - 86,046 credentials in 70 categories for 75,379 individuals
December 20, 2010 - 84,376 credentials in 70 categories for 73,357 individuals
September 9, 2010 - 83,486 credentials in 71 categories for 73,143 individuals
June 14, 2010 - 83,382 credentials in 71 categories for 72,534 individuals
May 10, 2010 - 83,114 credentials in 71 categories for 71,560 individuals
December 29, 2009 - 80,158 credentials in 71 categories for 69,331 individuals
October 27, 2009 - 78,966 credentials in 71 categories for 68,770 individuals
June 25, 2009 -  75,851 credentials in 71 categories for 65,446 individuals

Download a 4-page PDF file of historical data from December 30, 2003, to October 3, 2011, on credential holder numbers.

Download this PDF form to order custom lists of mailing data for selected categories of credential holders (the fee for these lists is partially based on the number of credential holders listed on this page).

Credential Categories
10-03-11 		12-20-10 9-9-10 6-14-10 5-10-10 12-29-09 10-26-09 6-25-09
Automatic Fire Sprinkler Contractor 98 105 100 99 99 97 95 92
Automatic Fire Sprinkler Contractor - Maintenance 28 32 32 30 30 29 28 26
Automatic Fire Sprinkler Fitter-Maintenance 181 205 204 169 138 117 117 110
Automatic Fire Sprinkler System Apprentice 110 127 141 151 158 177 189 219
Automatic Fire Sprinkler System Tester 105 100 100 98 98 96 95 89
Beginning Electrician 481 494 476 576 562 523 500 563
Boiler-Pressure Vessel Inspector 167 164 162 160 159 155 166 155
Building Contractor 13,573 11,421 10,640 9,851 9,423 7,620 6,843 2,857
Class 1 Blaster 70 72 70 76 76 80 79 84
Class 2 Blaster 125 119 125 129 133 140 140 147
Class 3 Blaster 35 36 36 37 38 37 37 38
Class 4 Blaster 10 9 9 8 9 10 10 10
Class 5 Blaster 160 157 157 157 160 172 170 168
Class 6 Blaster 103 102 101 100 100 109 108 109
Class 7 Blaster 20 20 20 20 19 20 20 18
Commercial Building Inspector 640 623 617 690 690 679 670 691
Commercial Electrical Inspector 670 643 633 671 671 646 632 650
Commercial Plumbing Inspector 450 450 448 462 459 453 449 458
Cross Connection Control Tester 1,842 1,802 1,808 1,759 1,742 1,692 1,658 1,630
Dwelling Contractor  9,953 9,950 9,965 9,976 10,022 9,977 9,791 9,687
Dwelling Contractor - Restricted 4 6 4 6 7 8 8 7
Dwelling Contractor Qualifier  10,634 10,673 10,484 10,311 10,326 10,046 10,312 11,559
Electrical Contractor 1,244 955 901 844 816 702 645 461
Electrical Contractor - Restricted 1 121 121 148 148 147 147 158
Elevator Apprentice 162 155 152 148 144 136 135 132
Elevator Apprentice - Restricted 1 1 1 1 1 1 1 1
Elevator Contractor 53 54 57 54 53 49 45 36
Elevator Helper 92 80 71 63 62 32 32 30
Elevator Inspector 51 54 52 49 48 48 52 51
Elevator Mechanic 704 711 770 701 687 649 630 567
Elevator Mechanic - Restricted 29 33 35 28 28 15 15 13
Fireworks Manufacturer 17 13 12 12 12 10 9 7
HVAC Contractor 3,528 3,454 3,399 3,458 3,501 3,662 3,672 3,747
HVAC Qualifier 412 382 370 365 363 350 347 351
Journeyman Automatic Fire Sprinkler Fitter 632 699 688 676 675 665 658 637
Journeyman Electrician 4,771 4,395 4,256 4,224 4,068 3,578 3,452 3,384
Journeyman Plumber 3,003 3,304 3,235 3,177 3,160 3,121 3,075 2,987
Journeyman Plumber - Restricted Appliance 326 365 361 355 354 350 349 340
Journeyman Plumber - Restricted Service 298 363 360 358 354 353 352 348
Lift Apprentice 0 0 0 0 0 0 0 0
Lift Helper 20 19 19 19 19 19 19 18
Lift Mechanic 29 30 38 35 35 34 33 30
Liquefied Gas Supplier 222 269 267 259 255 240 234 54
Liquefied Gas Supplier - Restricted 106 155 155 152 152 147 139 16
Manufactured Home Dealer 153 152 158 156 166 177 185 187
Manufactured Home Installer 213 299 364 361 357 353 352 350
Manufactured Home Manufacturer 19 16 16 16 16 17 17 17
Manufactured Home Salesperson 372 447 490 505 539 634 643 618
Master Electrician 4,712 4,557 4,481 4,469 4,437 4,296 4,258 4,220
Master Plumber 2,963 3,089 3,062 3,026 3,013 2,975 2,961 2,910
Master Plumber - Restricted Appliance 231 257 257 253 251 245 244 241
Master Plumber - Restricted Service 609 646 644 636 638 633 633 626
Pipe Layer 762 943 934 922 918 908 905 871
Plumbing Apprentice 565 684 767 812 833 865 873 976
Plumbing Learner - Restricted Appliance 87 90 92 101 105 113 118 127
Plumbing Learner - Restricted Service 101 111 112 115 117 127 130 128
POWTS Inspector 463 461 457 502 501 495 493 522
POWTS Maintainer 740 715 703 705 706 716 714 714
Refrigerant Handling Technician 9,029 9,131 9,288 9,384 9,408 9,592 9,2548 9,588
Rental Weatherization Inspector 367 355 346 380 379 363 359 403
Soil Erosion Inspector 359 350 341 385 381 368 368 395
Soil Tester 889 867 850 977 978 970 963 1,030
UDC Inspection Agency 104 106 104 104 108 126 128 134
UDC-Construction Inspector 1,018 992 986 1,118 1,119 1,107 1,096 1,191
UDC-Electrical Inspector 764 740 732 835 836 823 820 868
UDC-HVAC Inspector 906 884 874 987 988 979 969 1,056
UDC-Plumbing Inspector 636 619 608 694 697 689 682 741
Utility Contractor 364 438 435 430 426 418 416 413
Weld Test Conductor - Physical
Merged
12-01-10		 93 95 96 96 95 92
Weld Test Conductor - Radiographic 13 12 12 12 12 12
Weld Test Conductor 101 89
Welder 4,359 4,416 4,622 4,740 4,765 4,873 4,826 4,726

Links -- County Web sites || City/Town/Village Web sites || State Portal || Licensing and Permitting || Build Your Business

Email this page's manager, Norma McReynolds, norma.mcreynolds@wisconsin.gov or 608-267-7907.

The Department of Safety and Professional Services Safety and Buildings Division is an equal opportunity service provider and employer. If you need assistance to access services or need material in an alternate format please contact us 608-266-3151 TDD Relay dial 711 in Wisconsin or 800-947-3529 or norma.mcreynolds@wisconsin.gov.