Lamb-Star Engineering is registered to provide Engineering Services in States of Texas, Colorado, Oklahoma, and Wisconsin. Lamb-Star is a registered Land Surveying Firm in the State of Texas and Oklahoma.

Lamb-Star is certified as a Disadvantaged Business Enterprise (DBE) with the North Central Texas Regional Certification Agency (NCTRCA) and the South Texas Certification Agency (SCTRCA), as a Historically Underutilized Business (HUB) with the Texas Department of Transportation (TxDOT), and is TxDOT pre-certified in numerous design, construction management and survey service categories.