Find engineering consulting firms by capability and location.

Associated Consulting Engineering, Inc. (ACEI) is a consulting engineering firm based in Sioux Falls, South Dakota, providing mechanical and electrical systems design since 1987. ACEI offers integrated MEP engineering services for the design of plumbing, fire protection, HVAC, building automation, lighting, power, sound, and communication systems for public and private clients across a broad spectrum of residential, commercial, industrial, and institutional project types. The team is professionally registered in South Dakota, North Dakota, Iowa, Wisconsin, Nebraska, and Minnesota, with additional state licensing available upon request.

Designing Today. Building Tomorrow.

Sound is Our Business

Engineers Plus, P.C. is a Richmond, Virginia MEP consulting engineering firm founded in 1998. Specializing in mechanical, electrical, and plumbing design, it serves commercial, institutional, healthcare, manufacturing, laboratory, and pharmaceutical clients. Engineers Plus has deep expertise in critical environments, cleanrooms, laboratory systems, and phased renovation projects.

Progressive and detail-oriented electrical engineering design

Connecting the World Through End-to-End System Integration & Utility Infrastructure

In the Business of Designing High Performance Building Systems

Design excellence that delivers enduring value.

It's more than Push-To-Talk

Innovative audio visual, IT and security design creates value for owners and brings buildings to life for users.

Communications - Security - Fire Alarm

40 Years of Engineering Excellence

Engineering Building Systems That Work For You

An Electrical Engineering Company

Professional Mechanical, Electrical, Plumbing, and Fire Protection Engineering

Electrical, fire alarm, telecommunications, security, and audiovisual engineering

Security systems design for detention, justice, and correctional facilities

Control Every Facet

Design Consultants for High-Performing Buildings

Simply better.