7/11/2025 11:05:32 PM CST
Legend: CIH-A=Certified Industrial Hygienist - A , CIH-AP=Certified Industrial Hygienist - AP , CIH-C=Certified Industrial Hygienist - C , CIH-CP=Certified Industrial Hygienist - CP , CIH-E=Certified Industrial Hygienist - E , CIH-R=Certified Industrial Hygienist - Radiology , CIH-T=Certified Industrial Hygienist - T

Country/State All CIH-A CIH-AP CIH-C CIH-CP CIH-E CIH-R CIH-T
All Locations 6620 1 4 54 6549 8 1 3
USA 5655 1 4 52 5587 7 1 3
AA-Armed Forces Americas 1 0 0 0 1 0 0 0
AE-Armed Forces Europe 20 0 0 0 20 0 0 0
AK-Alaska 21 0 0 0 21 0 0 0
AL-Alabama 88 0 0 0 88 0 0 0
AP-Armed Forces Pacific 11 0 0 0 11 0 0 0
AR-Arkansas 34 0 0 1 33 0 0 0
AZ-Arizona 90 0 0 0 90 0 0 0
CA-California 684 1 0 7 674 1 0 1
CO-Colorado 176 0 0 1 174 0 1 0
CT-Connecticut 66 0 0 6 60 0 0 0
DC-District Of Columbia 25 0 0 0 25 0 0 0
DE-Delaware 10 0 0 0 10 0 0 0
FL-Florida 225 0 0 2 223 0 0 0
GA-Georgia 144 0 0 1 143 0 0 0
GU-Guam 5 0 0 0 5 0 0 0
HI-Hawaii 27 0 0 1 26 0 0 0
IA-Iowa 40 0 0 1 39 0 0 0
ID-Idaho 63 0 0 0 63 0 0 0
IL-Illinois 193 0 0 3 190 0 0 0
IN-Indiana 97 0 0 2 95 0 0 0
KS-Kansas 24 0 0 0 24 0 0 0
KY-Kentucky 75 0 0 0 75 0 0 0
LA-Louisiana 75 0 0 1 74 0 0 0
MA-Massachusetts 144 0 0 1 141 2 0 0
MD-Maryland 193 0 0 0 193 0 0 0
ME-Maine 15 0 0 0 15 0 0 0
MI-Michigan 130 0 1 3 126 0 0 0
MN-Minnesota 141 0 0 0 140 1 0 0
MO-Missouri 81 0 0 1 80 0 0 0
MP-Northern Mariana Is 1 0 0 0 1 0 0 0
MS-Mississippi 12 0 0 0 12 0 0 0
MT-Montana 23 0 0 0 23 0 0 0
NC-North Carolina 153 0 0 0 153 0 0 0
ND-North Dakota 1 0 0 0 1 0 0 0
NE-Nebraska 21 0 0 0 21 0 0 0
NH-New Hampshire 39 0 0 0 39 0 0 0
NJ-New Jersey 181 0 0 1 179 1 0 0
NM-New Mexico 88 0 0 0 88 0 0 0
NV-Nevada 40 0 0 0 39 0 0 1
NY-New York 229 0 0 4 225 0 0 0
OH-Ohio 252 0 2 3 246 1 0 0
OK-Oklahoma 47 0 0 3 44 0 0 0
OR-Oregon 79 0 0 0 79 0 0 0
PA-Pennsylvania 225 0 1 1 222 0 0 1
PR-Puerto Rico 7 0 0 0 7 0 0 0
RI-Rhode Island 15 0 0 0 15 0 0 0
SC-South Carolina 88 0 0 0 88 0 0 0
SD-South Dakota 8 0 0 0 8 0 0 0
TN-Tennessee 127 0 0 0 127 0 0 0
TX-Texas 395 0 0 1 394 0 0 0
UT-Utah 128 0 0 0 128 0 0 0
VA-Virginia 223 0 0 4 219 0 0 0
VI-Virgin Islands 2 0 0 0 2 0 0 0
VT-Vermont 1 0 0 0 1 0 0 0
WA-Washington 267 0 0 1 265 1 0 0
WI-Wisconsin 67 0 0 3 64 0 0 0
WV-West Virginia 28 0 0 0 28 0 0 0
WY-Wyoming 10 0 0 0 10 0 0 0
Argentina 3 0 0 0 3 0 0 0
AUSTRALIA 30 0 0 0 29 1 0 0
Austria 1 0 0 0 1 0 0 0
BELGIUM 2 0 0 0 2 0 0 0
BRAZIL 2 0 0 0 2 0 0 0
CANADA 480 0 0 1 479 0 0 0
CAYMAN ISLANDS 1 0 0 0 1 0 0 0
CHINA 182 0 0 0 182 0 0 0
FRANCE 2 0 0 0 2 0 0 0
GERMANY 3 0 0 0 3 0 0 0
GHANA 4 0 0 0 4 0 0 0
HONG KONG 58 0 0 0 58 0 0 0
INDIA 44 0 0 1 43 0 0 0
INDONESIA 4 0 0 0 4 0 0 0
IRELAND 2 0 0 0 2 0 0 0
Israel 2 0 0 0 2 0 0 0
JAMAICA 1 0 0 0 1 0 0 0
Japan 7 0 0 0 7 0 0 0
KOREA - Republic (South) 15 0 0 0 15 0 0 0
KUWAIT 3 0 0 0 3 0 0 0
MALAYSIA 16 0 0 0 16 0 0 0
MEXICO 2 0 0 0 2 0 0 0
NETHERLANDS 2 0 0 0 2 0 0 0
NEW ZEALAND 4 0 0 0 4 0 0 0
NIGERIA 3 0 0 0 3 0 0 0
OMAN 1 0 0 0 1 0 0 0
PERU 1 0 0 0 1 0 0 0
QATAR 3 0 0 0 3 0 0 0
Saudi Arabia 8 0 0 0 8 0 0 0
SINGAPORE 44 0 0 0 44 0 0 0
SWITZERLAND 1 0 0 0 1 0 0 0
TAIWAN 8 0 0 0 8 0 0 0
THAILAND 4 0 0 0 4 0 0 0
TRINIDAD 7 0 0 0 7 0 0 0
UNITED ARAB EMIRATES 6 0 0 0 6 0 0 0
UNITED KINGDOM 8 0 0 0 8 0 0 0
VIET NAM 1 0 0 0 1 0 0 0