Serving Northern California since 1974, our clients have come to rely upon our quality products and services for all their HVAC system needs.

ami manufacturing is supported by quality workmanship, and keen knowledge of mechanical, piping systems, within an 110,000 sq ft manufacturing facility, that houses machinery and methods unparalleled in our region.

ami manufacturing strives to accommodate our clients large or small, providing superior fabricated products delivered on time, within budget.

In addition, ami manufacturing has built significant capabilities to serve the transit industry.  Our transit work includes major bus overhauls as well as the manufacturing of custom mobile HVAC systems for use in extreme environments and ambient conditions.

Let us showcase our ability to fulfill your next mechanical project needs.

Fabrication Facilities Production Capabilities

Sheet Metal

Coil Line Rectangular Duct

Rectangular Fittings

Round & Oval Fittings

Spiral Duct Cut to Length

Roof Top Curbs

Welded Duct & Curbs

Architectural Sheet Metal

Plenum Walls



Coil Piping Assembles

Pre-Piped Chiller Skids

Pre-Piped Boiler Skids

Certified Welding

High Purity Orbital Welding

Grooved Piping Systems

Pre-Piped Cooling Tower Systems

Fabricated Steam Systems

Pumping Systems


Fabricated Plumbing Wall Systems

Pre-Piped W/C Carrier Banks

Pre-Fab Plumbing Fixtures & Trim

Copper, Steel, Cast Iron - Piping Cuts to Length

Welding, Brazing, & Grooving Process

Process Piping Systems

Fabricated Food Grade Systems

Hanger Systems & Assembles

Fuel Oil Systems