GBT provides lab certification and laboratory recertification for bsl-2, bsl-3, and bsl-4 labs in the following states:

Alabama, AL | Alaska, AK | Arizona, AZ | Arkansas, AR | California, CA | Colorado, CO | Connecticut, CT | Delaware, DE | District of Columbia, Washington, DC | Florida, FL | Georgia, GA | Hawaii, HI | Idaho, ID | Illinois, IL | Indiana, IN | Iowa, IA | Kansas, KS | Kentucky, KY | Louisiana, LA | Maine, ME | Maryland, MD | Massachusetts, MA | Michigan, MI | Minnesota, MN | Missippi, MS | Missouri, MO | Montanna, MT | Nebraska, NE | Nevada, NV | New Hampshire | New Jersey, NJ | New Mexico, NM | New York, NY | North Carolina, NC | North Dakota, ND | Ohio, OH | Oklahoma, OK | Oregon, OR | Pennsylvania, PA | Rhode Island, RI | South Carolina, SC | South Dakota, SD | Tennessee, TN | Texas, TX | Utah, UT | Vermont, VT | Virginia, VA | Washington, WA | West Virginia, WV | Wisconsin, WI | Wyoming, WY