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A row of Steel Systems Installation fixed stackers pouring stone onto conical stockpiles in low golden sun

Complete aggregate solutions when you need them fast.

We design, fabricate and install aggregate processing plants for producers across the Mid-Atlantic, from our shop in Quarryville, Pennsylvania.

30″ × 435′ fixed stackers over a reclaim tunnel

One team builds your whole plant.

Steel Systems Installation lays out the flow, engineers the steel, builds it in our own shop and sets it at your site with our own crews. Producers across the Mid-Atlantic call us when they are building a new plant or adding to one, and count on us to get it done right, on time and on budget.

We use a standardized design database to minimize rework and errors, which helps you reach an accelerated schedule safely and cost-effectively.

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A complete limestone plant by Steel Systems Installation in winter, with stacker trusses fanning out from the screen towers
600 TPH limestone plant, semi-portable and stationary
A new grey screen tower with conveyors crossing below it
Screening station with a roll-away oversize chute

Every step of your plant stays with us.

We act as an extension of your project management team, from selecting the equipment to specifying, sourcing and managing your project.

  1. [ 01 ]

    Consulting

    We help you select and apply the right equipment, then specify, source and manage the project with your team.

  2. [ 02 ]

    Plant Flow/Design

    We fit it all together in a logical, efficient flow, drawn from our standardized design database.

  3. [ 03 ]

    Engineering

    Our engineers use AutoCAD to carry the design from the drawing board to your site, smoothly and accurately.

  4. [ 04 ]

    Fabrication

    Our shop builds it on a CAD integrated plasma table, angle and beam lines, plate rolls and a press brake.

  5. [ 05 ]

    Mechanical Installation

    Our riggers, welders and millwrights set the steel with our own lifting equipment and operators.

The model, then the real 2,500 TPH limestone plant

Plants we have built.

A few of the plants from our turnkey work, named the way our own project captions name them.

[ 01/06 ]Request a bid
Limestone plant with wet screening

Limestone plant with wet screening

  • Wet screening
  • Limestone

A limestone processing plant with a wet screening station, shown at the center of the photo.

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1,000 TPH limestone plant

1,000 TPH limestone plant

  • 1,000 TPH
  • Enclosed crushing
  • Enclosed screening

A limestone processing plant with its crushing and screening stations fully enclosed.

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Sand and gravel plant

Sand and gravel plant

  • Four crushers
  • Sand & gravel

A sand and gravel processing plant with a four-crusher station, shown at center.

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Aggregate plant for a water dam

Aggregate plant for a water dam

  • Specialty aggregate
  • Dam construction

A specialty plant that prepared aggregate for the construction of a water dam.

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800 TPH limestone plant

800 TPH limestone plant

  • 800 TPH
  • Limestone

An 800 TPH limestone processing plant.

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2,500 TPH crushing plant

2,500 TPH crushing plant

  • 2,500 TPH
  • Baltimore Gabbro
  • Crushing

A crushing plant that processes hard rock, Baltimore Gabbro, at 2,500 tons per hour.

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Plant equipment we design, build and install

Need one stacker, a conveyor run or a screening station fast? We build each one on its own too, along with wet fines recovery systems, dust collection and suppression, pugmills, railcar terminals and barge unloading conveyors.

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Turnkey Plants by Steel Systems Installation
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Turnkey Plants

New plants and additions to existing ones, with every element, piece of equipment and discipline on the same page.

Crushing Stations by Steel Systems Installation
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Crushing Stations

Primary, secondary and tertiary stations with hoppers, surge bins and breakers, fully enclosed when dust or noise calls for it.

Screening Stations by Steel Systems Installation
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Screening Stations

Scalping and finishing screens, dry or wet, portable or static, sized to your material and capacity.

Radial & Fixed Stackers by Steel Systems Installation
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Radial & Fixed Stackers

Radial stackers on 24″ to 54″ belts from 60′ to 150′ long, and fixed stackers like our 30″ × 435′ stackers over a reclaim tunnel.

Conveyors by Steel Systems Installation
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Conveyors

Overland, transfer, barge unloading and kiln feed conveyors, with walkways, crossovers and belt scales.

Bins & Hoppers by Steel Systems Installation
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Bins & Hoppers

Surge bins, rock box hoppers and chutes with A.R. liners, built from heavy plate and beam in our shop.

Railcar Terminals by Steel Systems Installation
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Railcar Terminals

Loading and unloading terminals that move your product between railcars, stockpiles and the plant.

Mule Screens logo
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Mule Screen

Our own rinse screen runs 300 to 350 TPH on three 900 RPM vibratory motors, with no V-belts to maintain.

Our own shop and our own crews.

Bin walls of heavy plate and beam standing in the Steel Systems Installation shop
Heavy plate and beam in our shop

Craig Gartzke and Rick Welch founded Steel Systems Installation in 1987, and the second generation of both families leads it today. Nearly all of our work comes from repeat customers and referrals.

Our conveyors and stackers are available with walkways and crossovers, and we build custom stairway modules and A.R.-lined chutes, so your crews can reach the equipment they maintain.

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  • 1987Founded
  • 2,500 TPHLimestone and Baltimore Gabbro plants
  • 435′Fixed stackers on a 30″ belt
  • 2ndGeneration of family leadership
Plasma table cutting steel plate
Plasma table cutting
A welder cutting large steel pipe in the shop
Pipe fabrication
Aerial video from SSI's YouTube channel
Conveyors handling the transfer of wood chips, with drive and walkway

Tell us about your next plant.

Tell us your material, your tons and your start-up date, and someone from our team will be in touch shortly.