Investigation and Security Services
This industry group comprises establishments primarily engaged in one of the following: (1) investigation, guard, and armored car services; (2) selling security systems, such as burglar and fire alarms and locking devices, along with installation, repair, or monitoring services; or (3) remote monitoring of electronic security alarm systems.
More NAICS Codes
NAICS Code 33791 Companies
NAICS Code 92313 Companies
NAICS Code 562211 Companies
NAICS Code 33661 Companies
NAICS Code 45 Companies
NAICS Code 811213 Companies
NAICS Code 42421 Companies
NAICS Code 56211 Companies
NAICS Code 448140 Companies
NAICS Code 7121 Companies
NAICS Code 48511 Companies
NAICS Code 311520 Companies
NAICS Code 212393 Companies
NAICS Code 56152 Companies
NAICS Code 92512 Companies
NAICS Code 32611 Companies
NAICS Code 339992 Companies
NAICS Code 53 Companies
NAICS Code 92115 Companies
NAICS Code 238120 Companies
NAICS Code 622210 Companies
NAICS Code 61143 Companies
NAICS Code 3311 Companies
NAICS Code 44122 Companies
NAICS Code 333519 Companies
NAICS Code 325110 Companies
NAICS Code 221117 Companies
NAICS Code 4832 Companies
NAICS Code 33521 Companies
NAICS Code 311314 Companies
NAICS Code 621320 Companies
NAICS Code 446191 Companies
NAICS Code 451120 Companies
NAICS Code 52221 Companies
NAICS Code 3161 Companies
NAICS Code 326150 Companies
NAICS Code 44221 Companies
NAICS Code 33631 Companies
NAICS Code 54119 Companies
NAICS Code 315240 Companies
NAICS Code 517311 Companies
NAICS Code 3274 Companies