A & S Engineers, Inc.
San Francisco, CAFull-service Mechanical, Electrical, Plumbing Engineering and Commissioning Firm
Service detail: Mechanical Engineering
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Full-service Mechanical, Electrical, Plumbing Engineering and Commissioning Firm
Service detail: Mechanical Engineering
Sustainable, Innovative Engineering Solutions
Service detail: Engineering, Consulting and Design
Partnering with you to deliver innovative, reliable energy solutions that enhance lives and strengthen the grid.
Project: 230kV Transmission Line EPC
Designing Today. Building Tomorrow.
Project: Richardson Olmsted Complex
Engineer Exceptional & Equitable Environments for Everyone.
Project: Northeast Lake View College
Operation Technology Engineering and Management
Service detail: Commissioning, Controls & Energy

Boiler, combustion, thermal, and steam systems engineering.
Project: BFB boiler for high-moisture biomass - South America
High performance solutions for the built environment.
Service detail: HVAC System Design
As consulting engineers, we solve problems.
Service detail: Mechanical Engineering

Full-service consulting engineering practice specializing in MEP, fire protection, and LEED-certified designs.
Service detail: Heating, Ventilation, and Air Conditioning (HVAC)
Experts in improving your business by increasing your entire building's performance, efficiency and comfort
Service detail: Commissioning and Optimization
Where Project Management Meets Engineering Innovation
Service detail: Project Management Services
Achieve Project Excellence with Gross & Co.
Project: Biomass to Sustainable Aviation Fuel (SAF) Feasibility Study

Engineering Sustainability Commissioning
Service detail: Mechanical, Electrical, and Plumbing Engineering

Innovative MEP Solutions - Built to Perform, Designed to Last
Service detail: Mechanical Engineering
Engineered to Protect
Service detail: Fire Protection Engineering

MEP - Energy - Planning - Facility Assessment - Project Management
Project: ECISD Barrientes MS Fine Arts / Classroom Additions

Deliver High Performing Complex Buildings
Project: DCPS: COVID Retrofits / Emergency Indoor Air Quality Retrofits
services for sustainable development
Project: Study of Independent Water Supply Systems