Nexus is a full service A/E firm that qualifies as a small business. Nexus was founded as a closely held corporation on June 12, 1989 in the state of Texas. The name "Nexus" was chosen by the founders because one of the meanings of the word is to link or connect. The founders believed that most engineering was provided without enough attention to service for the client. Thus the founding principal was to link or connect engineering and super-pleasing service. The founders defined super-pleasing service as listening to the client to make sure that client needs were met, commitments were honored and products were delivered in a useful manner.

Nexus began as a fire protection engineering firm with expertise in industrial and nuclear hazards. Today Nexus provides engineering services to support design and analysis work in markets including Government, Nuclear Power Operating & Decommissioning, Industrial, Insurance and Institutional.

Nexus qualifications include staff with DOE Q Clearances, graduate and post graduate engineering degrees and staff with years of experience. Nexus business lines include design and analysis in the areas of Architecture, Civil/Structural Engineering, Electrical Engineering, Fire Protection Engineering and Mechanical Engineering.