Mechanical, electrical, plumbing, steel, concrete & more. Materials and equipment for infrastructure work
Construction materials & equipment for infrastructure projects
AD supplies everything from HVAC equipment to structural steel to signatory union labor on public infrastructure projects, with one point of contact from bid to closeout. Materials and equipment purchased through AD count toward small business participation goals and maintain compliance.

Mechanical
NAICS 423730
HVAC and hydronic equipment for terminals, transit facilities, and public buildings.
- Air handling units
- Chillers
- Boilers
- Coolers
- Air conditioning
- Centrifugal pumps
- HVAC repair parts

Electrical
NAICS 423610
Power distribution, generation, lighting, and signals equipment.
- Switchgear
- Transformers
- Generators
- Conduit
- Panel boards & meters
- Electrical wire
- Lighting packages
- Signals equipment

Plumbing
NAICS 423720
Pipe, valves, fittings, and fixtures.
- Pipe & PVC pipe
- Valves
- Fittings, tees & couplings
- Tubing & nipples
- Faucets & fixtures
- Trim & accessories
- Primer & glue
- Coolers & heaters

Fire Protection
NAICS 423720
Sprinkler and alarm system components.
- Pipe & fittings
- Elbows, tees & couplings
- Flow switches
- Signaling devices
- Pipe housing & controls
- Primer & glue

Water & Wastewater
NAICS 423720
Utility pipe and components for water, sewer, and pump station work.
- Pipe
- Valves
- Fittings
- Pump station components
- Treatment components

Concrete & Heavy Civil
NAICS 423320
Bulk and precast materials. Supply only; AD does not place or finish concrete.
- Ready-mix concrete
- Precast
- Concrete & steel forms
- Base rock & aggregate
- Asphalt materials
- Erosion control
Steel & Rebar
NAICS 423510
Reinforcing, structural, and miscellaneous metals.
- Rebar
- Structural steel
- Miscellaneous metals
- Steel pipe
- Guard railing & barriers

Drywall & Lumber
NAICS 423320
Framing and interior materials.
- Gypsum board
- Studs & track
- Drywall tape
- Screws
- Framing lumber

Construction Equipment
Available to rent or purchase, delivered to your site.
- Boom lifts
- Scissor lifts
- Forklifts
- Generators
- Air compressors
- Light towers
- Pumps
- Material handling equipment

Tools & PPE
Jobsite tools, fasteners, and safety gear.
- Fall protection
- Fasteners
- Hand & power tools
- Wrenches
- Hard hats & vests
- Safety glasses & gloves



