CTLGroup is Nelson Testing Laboratories's #1 rival. CTLGroup was founded in 1916 in Skokie, Illinois. Like Nelson Testing Laboratories, CTLGroup also operates in the Professional Services space. CTLGroup generates $8.7M less revenue than Nelson Testing Laboratories.
KPFF is one of Nelson Testing Laboratories's top competitors. KPFF is headquartered in Seattle, Washington, and was founded in 1960. Like Nelson Testing Laboratories, KPFF also works within the Professional Services sector. KPFF generates 388% the revenue of Nelson Testing Laboratories.
S. W. Cole is seen as one of Nelson Testing Laboratories's top competitors. S. W. Cole was founded in 1979, and its headquarters is in Bangor, Maine. Like Nelson Testing Laboratories, S. W. Cole also works within the Professional Services sector. S. W. Cole has 28 more employees than Nelson Testing Laboratories.